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From lah...@apache.org
Subject [07/62] [abbrv] airavata git commit: Reorganizing credential store to create a light weight stubs artifact - AIRAVATA-1621
Date Thu, 19 Mar 2015 15:02:33 GMT
http://git-wip-us.apache.org/repos/asf/airavata/blob/58c58cf2/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/datamodel/PasswordCredential.java
----------------------------------------------------------------------
diff --git a/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/datamodel/PasswordCredential.java b/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/datamodel/PasswordCredential.java
new file mode 100644
index 0000000..f6b6837
--- /dev/null
+++ b/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/datamodel/PasswordCredential.java
@@ -0,0 +1,698 @@
+    /*
+     * Licensed to the Apache Software Foundation (ASF) under one or more
+     * contributor license agreements.  See the NOTICE file distributed with
+     * this work for additional information regarding copyright ownership.
+     * The ASF licenses this file to You under the Apache License, Version 2.0
+     * (the "License"); you may not use this file except in compliance with
+     * the License.  You may obtain a copy of the License at
+     *
+     *     http://www.apache.org/licenses/LICENSE-2.0
+     *
+     * Unless required by applicable law or agreed to in writing, software
+     * distributed under the License is distributed on an "AS IS" BASIS,
+     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     * See the License for the specific language governing permissions and
+     * limitations under the License.
+     */
+/**
+ * Autogenerated by Thrift Compiler (0.9.1)
+ *
+ * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
+ *  @generated
+ */
+package org.apache.airavata.credential.store.datamodel;
+
+import org.apache.thrift.scheme.IScheme;
+import org.apache.thrift.scheme.SchemeFactory;
+import org.apache.thrift.scheme.StandardScheme;
+
+import org.apache.thrift.scheme.TupleScheme;
+import org.apache.thrift.protocol.TTupleProtocol;
+import org.apache.thrift.protocol.TProtocolException;
+import org.apache.thrift.EncodingUtils;
+import org.apache.thrift.TException;
+import org.apache.thrift.async.AsyncMethodCallback;
+import org.apache.thrift.server.AbstractNonblockingServer.*;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Map;
+import java.util.HashMap;
+import java.util.EnumMap;
+import java.util.Set;
+import java.util.HashSet;
+import java.util.EnumSet;
+import java.util.Collections;
+import java.util.BitSet;
+import java.nio.ByteBuffer;
+import java.util.Arrays;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@SuppressWarnings("all") public class PasswordCredential implements org.apache.thrift.TBase<PasswordCredential, PasswordCredential._Fields>, java.io.Serializable, Cloneable, Comparable<PasswordCredential> {
+  private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("PasswordCredential");
+
+  private static final org.apache.thrift.protocol.TField USERNAME_FIELD_DESC = new org.apache.thrift.protocol.TField("username", org.apache.thrift.protocol.TType.STRING, (short)1);
+  private static final org.apache.thrift.protocol.TField PASSWORD_FIELD_DESC = new org.apache.thrift.protocol.TField("password", org.apache.thrift.protocol.TType.STRING, (short)2);
+  private static final org.apache.thrift.protocol.TField PERSISTED_TIME_FIELD_DESC = new org.apache.thrift.protocol.TField("persistedTime", org.apache.thrift.protocol.TType.I64, (short)3);
+  private static final org.apache.thrift.protocol.TField TOKEN_FIELD_DESC = new org.apache.thrift.protocol.TField("token", org.apache.thrift.protocol.TType.STRING, (short)4);
+
+  private static final Map<Class<? extends IScheme>, SchemeFactory> schemes = new HashMap<Class<? extends IScheme>, SchemeFactory>();
+  static {
+    schemes.put(StandardScheme.class, new PasswordCredentialStandardSchemeFactory());
+    schemes.put(TupleScheme.class, new PasswordCredentialTupleSchemeFactory());
+  }
+
+  public String username; // required
+  public String password; // required
+  public long persistedTime; // optional
+  public String token; // optional
+
+  /** The set of fields this struct contains, along with convenience methods for finding and manipulating them. */
+  @SuppressWarnings("all") public enum _Fields implements org.apache.thrift.TFieldIdEnum {
+    USERNAME((short)1, "username"),
+    PASSWORD((short)2, "password"),
+    PERSISTED_TIME((short)3, "persistedTime"),
+    TOKEN((short)4, "token");
+
+    private static final Map<String, _Fields> byName = new HashMap<String, _Fields>();
+
+    static {
+      for (_Fields field : EnumSet.allOf(_Fields.class)) {
+        byName.put(field.getFieldName(), field);
+      }
+    }
+
+    /**
+     * Find the _Fields constant that matches fieldId, or null if its not found.
+     */
+    public static _Fields findByThriftId(int fieldId) {
+      switch(fieldId) {
+        case 1: // USERNAME
+          return USERNAME;
+        case 2: // PASSWORD
+          return PASSWORD;
+        case 3: // PERSISTED_TIME
+          return PERSISTED_TIME;
+        case 4: // TOKEN
+          return TOKEN;
+        default:
+          return null;
+      }
+    }
+
+    /**
+     * Find the _Fields constant that matches fieldId, throwing an exception
+     * if it is not found.
+     */
+    public static _Fields findByThriftIdOrThrow(int fieldId) {
+      _Fields fields = findByThriftId(fieldId);
+      if (fields == null) throw new IllegalArgumentException("Field " + fieldId + " doesn't exist!");
+      return fields;
+    }
+
+    /**
+     * Find the _Fields constant that matches name, or null if its not found.
+     */
+    public static _Fields findByName(String name) {
+      return byName.get(name);
+    }
+
+    private final short _thriftId;
+    private final String _fieldName;
+
+    _Fields(short thriftId, String fieldName) {
+      _thriftId = thriftId;
+      _fieldName = fieldName;
+    }
+
+    public short getThriftFieldId() {
+      return _thriftId;
+    }
+
+    public String getFieldName() {
+      return _fieldName;
+    }
+  }
+
+  // isset id assignments
+  private static final int __PERSISTEDTIME_ISSET_ID = 0;
+  private byte __isset_bitfield = 0;
+  private _Fields optionals[] = {_Fields.PERSISTED_TIME,_Fields.TOKEN};
+  public static final Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> metaDataMap;
+  static {
+    Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> tmpMap = new EnumMap<_Fields, org.apache.thrift.meta_data.FieldMetaData>(_Fields.class);
+    tmpMap.put(_Fields.USERNAME, new org.apache.thrift.meta_data.FieldMetaData("username", org.apache.thrift.TFieldRequirementType.REQUIRED, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    tmpMap.put(_Fields.PASSWORD, new org.apache.thrift.meta_data.FieldMetaData("password", org.apache.thrift.TFieldRequirementType.REQUIRED, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    tmpMap.put(_Fields.PERSISTED_TIME, new org.apache.thrift.meta_data.FieldMetaData("persistedTime", org.apache.thrift.TFieldRequirementType.OPTIONAL, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.I64)));
+    tmpMap.put(_Fields.TOKEN, new org.apache.thrift.meta_data.FieldMetaData("token", org.apache.thrift.TFieldRequirementType.OPTIONAL, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    metaDataMap = Collections.unmodifiableMap(tmpMap);
+    org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(PasswordCredential.class, metaDataMap);
+  }
+
+  public PasswordCredential() {
+  }
+
+  public PasswordCredential(
+    String username,
+    String password)
+  {
+    this();
+    this.username = username;
+    this.password = password;
+  }
+
+  /**
+   * Performs a deep copy on <i>other</i>.
+   */
+  public PasswordCredential(PasswordCredential other) {
+    __isset_bitfield = other.__isset_bitfield;
+    if (other.isSetUsername()) {
+      this.username = other.username;
+    }
+    if (other.isSetPassword()) {
+      this.password = other.password;
+    }
+    this.persistedTime = other.persistedTime;
+    if (other.isSetToken()) {
+      this.token = other.token;
+    }
+  }
+
+  public PasswordCredential deepCopy() {
+    return new PasswordCredential(this);
+  }
+
+  @Override
+  public void clear() {
+    this.username = null;
+    this.password = null;
+    setPersistedTimeIsSet(false);
+    this.persistedTime = 0;
+    this.token = null;
+  }
+
+  public String getUsername() {
+    return this.username;
+  }
+
+  public PasswordCredential setUsername(String username) {
+    this.username = username;
+    return this;
+  }
+
+  public void unsetUsername() {
+    this.username = null;
+  }
+
+  /** Returns true if field username is set (has been assigned a value) and false otherwise */
+  public boolean isSetUsername() {
+    return this.username != null;
+  }
+
+  public void setUsernameIsSet(boolean value) {
+    if (!value) {
+      this.username = null;
+    }
+  }
+
+  public String getPassword() {
+    return this.password;
+  }
+
+  public PasswordCredential setPassword(String password) {
+    this.password = password;
+    return this;
+  }
+
+  public void unsetPassword() {
+    this.password = null;
+  }
+
+  /** Returns true if field password is set (has been assigned a value) and false otherwise */
+  public boolean isSetPassword() {
+    return this.password != null;
+  }
+
+  public void setPasswordIsSet(boolean value) {
+    if (!value) {
+      this.password = null;
+    }
+  }
+
+  public long getPersistedTime() {
+    return this.persistedTime;
+  }
+
+  public PasswordCredential setPersistedTime(long persistedTime) {
+    this.persistedTime = persistedTime;
+    setPersistedTimeIsSet(true);
+    return this;
+  }
+
+  public void unsetPersistedTime() {
+    __isset_bitfield = EncodingUtils.clearBit(__isset_bitfield, __PERSISTEDTIME_ISSET_ID);
+  }
+
+  /** Returns true if field persistedTime is set (has been assigned a value) and false otherwise */
+  public boolean isSetPersistedTime() {
+    return EncodingUtils.testBit(__isset_bitfield, __PERSISTEDTIME_ISSET_ID);
+  }
+
+  public void setPersistedTimeIsSet(boolean value) {
+    __isset_bitfield = EncodingUtils.setBit(__isset_bitfield, __PERSISTEDTIME_ISSET_ID, value);
+  }
+
+  public String getToken() {
+    return this.token;
+  }
+
+  public PasswordCredential setToken(String token) {
+    this.token = token;
+    return this;
+  }
+
+  public void unsetToken() {
+    this.token = null;
+  }
+
+  /** Returns true if field token is set (has been assigned a value) and false otherwise */
+  public boolean isSetToken() {
+    return this.token != null;
+  }
+
+  public void setTokenIsSet(boolean value) {
+    if (!value) {
+      this.token = null;
+    }
+  }
+
+  public void setFieldValue(_Fields field, Object value) {
+    switch (field) {
+    case USERNAME:
+      if (value == null) {
+        unsetUsername();
+      } else {
+        setUsername((String)value);
+      }
+      break;
+
+    case PASSWORD:
+      if (value == null) {
+        unsetPassword();
+      } else {
+        setPassword((String)value);
+      }
+      break;
+
+    case PERSISTED_TIME:
+      if (value == null) {
+        unsetPersistedTime();
+      } else {
+        setPersistedTime((Long)value);
+      }
+      break;
+
+    case TOKEN:
+      if (value == null) {
+        unsetToken();
+      } else {
+        setToken((String)value);
+      }
+      break;
+
+    }
+  }
+
+  public Object getFieldValue(_Fields field) {
+    switch (field) {
+    case USERNAME:
+      return getUsername();
+
+    case PASSWORD:
+      return getPassword();
+
+    case PERSISTED_TIME:
+      return Long.valueOf(getPersistedTime());
+
+    case TOKEN:
+      return getToken();
+
+    }
+    throw new IllegalStateException();
+  }
+
+  /** Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise */
+  public boolean isSet(_Fields field) {
+    if (field == null) {
+      throw new IllegalArgumentException();
+    }
+
+    switch (field) {
+    case USERNAME:
+      return isSetUsername();
+    case PASSWORD:
+      return isSetPassword();
+    case PERSISTED_TIME:
+      return isSetPersistedTime();
+    case TOKEN:
+      return isSetToken();
+    }
+    throw new IllegalStateException();
+  }
+
+  @Override
+  public boolean equals(Object that) {
+    if (that == null)
+      return false;
+    if (that instanceof PasswordCredential)
+      return this.equals((PasswordCredential)that);
+    return false;
+  }
+
+  public boolean equals(PasswordCredential that) {
+    if (that == null)
+      return false;
+
+    boolean this_present_username = true && this.isSetUsername();
+    boolean that_present_username = true && that.isSetUsername();
+    if (this_present_username || that_present_username) {
+      if (!(this_present_username && that_present_username))
+        return false;
+      if (!this.username.equals(that.username))
+        return false;
+    }
+
+    boolean this_present_password = true && this.isSetPassword();
+    boolean that_present_password = true && that.isSetPassword();
+    if (this_present_password || that_present_password) {
+      if (!(this_present_password && that_present_password))
+        return false;
+      if (!this.password.equals(that.password))
+        return false;
+    }
+
+    boolean this_present_persistedTime = true && this.isSetPersistedTime();
+    boolean that_present_persistedTime = true && that.isSetPersistedTime();
+    if (this_present_persistedTime || that_present_persistedTime) {
+      if (!(this_present_persistedTime && that_present_persistedTime))
+        return false;
+      if (this.persistedTime != that.persistedTime)
+        return false;
+    }
+
+    boolean this_present_token = true && this.isSetToken();
+    boolean that_present_token = true && that.isSetToken();
+    if (this_present_token || that_present_token) {
+      if (!(this_present_token && that_present_token))
+        return false;
+      if (!this.token.equals(that.token))
+        return false;
+    }
+
+    return true;
+  }
+
+  @Override
+  public int hashCode() {
+    return 0;
+  }
+
+  @Override
+  public int compareTo(PasswordCredential other) {
+    if (!getClass().equals(other.getClass())) {
+      return getClass().getName().compareTo(other.getClass().getName());
+    }
+
+    int lastComparison = 0;
+
+    lastComparison = Boolean.valueOf(isSetUsername()).compareTo(other.isSetUsername());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetUsername()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.username, other.username);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetPassword()).compareTo(other.isSetPassword());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetPassword()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.password, other.password);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetPersistedTime()).compareTo(other.isSetPersistedTime());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetPersistedTime()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.persistedTime, other.persistedTime);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetToken()).compareTo(other.isSetToken());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetToken()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.token, other.token);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    return 0;
+  }
+
+  public _Fields fieldForId(int fieldId) {
+    return _Fields.findByThriftId(fieldId);
+  }
+
+  public void read(org.apache.thrift.protocol.TProtocol iprot) throws org.apache.thrift.TException {
+    schemes.get(iprot.getScheme()).getScheme().read(iprot, this);
+  }
+
+  public void write(org.apache.thrift.protocol.TProtocol oprot) throws org.apache.thrift.TException {
+    schemes.get(oprot.getScheme()).getScheme().write(oprot, this);
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder("PasswordCredential(");
+    boolean first = true;
+
+    sb.append("username:");
+    if (this.username == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.username);
+    }
+    first = false;
+    if (!first) sb.append(", ");
+    sb.append("password:");
+    if (this.password == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.password);
+    }
+    first = false;
+    if (isSetPersistedTime()) {
+      if (!first) sb.append(", ");
+      sb.append("persistedTime:");
+      sb.append(this.persistedTime);
+      first = false;
+    }
+    if (isSetToken()) {
+      if (!first) sb.append(", ");
+      sb.append("token:");
+      if (this.token == null) {
+        sb.append("null");
+      } else {
+        sb.append(this.token);
+      }
+      first = false;
+    }
+    sb.append(")");
+    return sb.toString();
+  }
+
+  public void validate() throws org.apache.thrift.TException {
+    // check for required fields
+    if (username == null) {
+      throw new org.apache.thrift.protocol.TProtocolException("Required field 'username' was not present! Struct: " + toString());
+    }
+    if (password == null) {
+      throw new org.apache.thrift.protocol.TProtocolException("Required field 'password' was not present! Struct: " + toString());
+    }
+    // check for sub-struct validity
+  }
+
+  private void writeObject(java.io.ObjectOutputStream out) throws java.io.IOException {
+    try {
+      write(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(out)));
+    } catch (org.apache.thrift.TException te) {
+      throw new java.io.IOException(te);
+    }
+  }
+
+  private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException {
+    try {
+      // it doesn't seem like you should have to do this, but java serialization is wacky, and doesn't call the default constructor.
+      __isset_bitfield = 0;
+      read(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(in)));
+    } catch (org.apache.thrift.TException te) {
+      throw new java.io.IOException(te);
+    }
+  }
+
+  private static class PasswordCredentialStandardSchemeFactory implements SchemeFactory {
+    public PasswordCredentialStandardScheme getScheme() {
+      return new PasswordCredentialStandardScheme();
+    }
+  }
+
+  private static class PasswordCredentialStandardScheme extends StandardScheme<PasswordCredential> {
+
+    public void read(org.apache.thrift.protocol.TProtocol iprot, PasswordCredential struct) throws org.apache.thrift.TException {
+      org.apache.thrift.protocol.TField schemeField;
+      iprot.readStructBegin();
+      while (true)
+      {
+        schemeField = iprot.readFieldBegin();
+        if (schemeField.type == org.apache.thrift.protocol.TType.STOP) { 
+          break;
+        }
+        switch (schemeField.id) {
+          case 1: // USERNAME
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.username = iprot.readString();
+              struct.setUsernameIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 2: // PASSWORD
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.password = iprot.readString();
+              struct.setPasswordIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 3: // PERSISTED_TIME
+            if (schemeField.type == org.apache.thrift.protocol.TType.I64) {
+              struct.persistedTime = iprot.readI64();
+              struct.setPersistedTimeIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 4: // TOKEN
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.token = iprot.readString();
+              struct.setTokenIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          default:
+            org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+        }
+        iprot.readFieldEnd();
+      }
+      iprot.readStructEnd();
+
+      // check for required fields of primitive type, which can't be checked in the validate method
+      struct.validate();
+    }
+
+    public void write(org.apache.thrift.protocol.TProtocol oprot, PasswordCredential struct) throws org.apache.thrift.TException {
+      struct.validate();
+
+      oprot.writeStructBegin(STRUCT_DESC);
+      if (struct.username != null) {
+        oprot.writeFieldBegin(USERNAME_FIELD_DESC);
+        oprot.writeString(struct.username);
+        oprot.writeFieldEnd();
+      }
+      if (struct.password != null) {
+        oprot.writeFieldBegin(PASSWORD_FIELD_DESC);
+        oprot.writeString(struct.password);
+        oprot.writeFieldEnd();
+      }
+      if (struct.isSetPersistedTime()) {
+        oprot.writeFieldBegin(PERSISTED_TIME_FIELD_DESC);
+        oprot.writeI64(struct.persistedTime);
+        oprot.writeFieldEnd();
+      }
+      if (struct.token != null) {
+        if (struct.isSetToken()) {
+          oprot.writeFieldBegin(TOKEN_FIELD_DESC);
+          oprot.writeString(struct.token);
+          oprot.writeFieldEnd();
+        }
+      }
+      oprot.writeFieldStop();
+      oprot.writeStructEnd();
+    }
+
+  }
+
+  private static class PasswordCredentialTupleSchemeFactory implements SchemeFactory {
+    public PasswordCredentialTupleScheme getScheme() {
+      return new PasswordCredentialTupleScheme();
+    }
+  }
+
+  private static class PasswordCredentialTupleScheme extends TupleScheme<PasswordCredential> {
+
+    @Override
+    public void write(org.apache.thrift.protocol.TProtocol prot, PasswordCredential struct) throws org.apache.thrift.TException {
+      TTupleProtocol oprot = (TTupleProtocol) prot;
+      oprot.writeString(struct.username);
+      oprot.writeString(struct.password);
+      BitSet optionals = new BitSet();
+      if (struct.isSetPersistedTime()) {
+        optionals.set(0);
+      }
+      if (struct.isSetToken()) {
+        optionals.set(1);
+      }
+      oprot.writeBitSet(optionals, 2);
+      if (struct.isSetPersistedTime()) {
+        oprot.writeI64(struct.persistedTime);
+      }
+      if (struct.isSetToken()) {
+        oprot.writeString(struct.token);
+      }
+    }
+
+    @Override
+    public void read(org.apache.thrift.protocol.TProtocol prot, PasswordCredential struct) throws org.apache.thrift.TException {
+      TTupleProtocol iprot = (TTupleProtocol) prot;
+      struct.username = iprot.readString();
+      struct.setUsernameIsSet(true);
+      struct.password = iprot.readString();
+      struct.setPasswordIsSet(true);
+      BitSet incoming = iprot.readBitSet(2);
+      if (incoming.get(0)) {
+        struct.persistedTime = iprot.readI64();
+        struct.setPersistedTimeIsSet(true);
+      }
+      if (incoming.get(1)) {
+        struct.token = iprot.readString();
+        struct.setTokenIsSet(true);
+      }
+    }
+  }
+
+}
+

http://git-wip-us.apache.org/repos/asf/airavata/blob/58c58cf2/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/datamodel/SSHCredential.java
----------------------------------------------------------------------
diff --git a/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/datamodel/SSHCredential.java b/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/datamodel/SSHCredential.java
new file mode 100644
index 0000000..9fc373a
--- /dev/null
+++ b/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/datamodel/SSHCredential.java
@@ -0,0 +1,998 @@
+    /*
+     * Licensed to the Apache Software Foundation (ASF) under one or more
+     * contributor license agreements.  See the NOTICE file distributed with
+     * this work for additional information regarding copyright ownership.
+     * The ASF licenses this file to You under the Apache License, Version 2.0
+     * (the "License"); you may not use this file except in compliance with
+     * the License.  You may obtain a copy of the License at
+     *
+     *     http://www.apache.org/licenses/LICENSE-2.0
+     *
+     * Unless required by applicable law or agreed to in writing, software
+     * distributed under the License is distributed on an "AS IS" BASIS,
+     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     * See the License for the specific language governing permissions and
+     * limitations under the License.
+     */
+/**
+ * Autogenerated by Thrift Compiler (0.9.1)
+ *
+ * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
+ *  @generated
+ */
+package org.apache.airavata.credential.store.datamodel;
+
+import org.apache.thrift.scheme.IScheme;
+import org.apache.thrift.scheme.SchemeFactory;
+import org.apache.thrift.scheme.StandardScheme;
+
+import org.apache.thrift.scheme.TupleScheme;
+import org.apache.thrift.protocol.TTupleProtocol;
+import org.apache.thrift.protocol.TProtocolException;
+import org.apache.thrift.EncodingUtils;
+import org.apache.thrift.TException;
+import org.apache.thrift.async.AsyncMethodCallback;
+import org.apache.thrift.server.AbstractNonblockingServer.*;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Map;
+import java.util.HashMap;
+import java.util.EnumMap;
+import java.util.Set;
+import java.util.HashSet;
+import java.util.EnumSet;
+import java.util.Collections;
+import java.util.BitSet;
+import java.nio.ByteBuffer;
+import java.util.Arrays;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@SuppressWarnings("all") public class SSHCredential implements org.apache.thrift.TBase<SSHCredential, SSHCredential._Fields>, java.io.Serializable, Cloneable, Comparable<SSHCredential> {
+  private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("SSHCredential");
+
+  private static final org.apache.thrift.protocol.TField GATEWAY_ID_FIELD_DESC = new org.apache.thrift.protocol.TField("gatewayId", org.apache.thrift.protocol.TType.STRING, (short)1);
+  private static final org.apache.thrift.protocol.TField USERNAME_FIELD_DESC = new org.apache.thrift.protocol.TField("username", org.apache.thrift.protocol.TType.STRING, (short)2);
+  private static final org.apache.thrift.protocol.TField PASSPHRASE_FIELD_DESC = new org.apache.thrift.protocol.TField("passphrase", org.apache.thrift.protocol.TType.STRING, (short)3);
+  private static final org.apache.thrift.protocol.TField PUBLIC_KEY_FIELD_DESC = new org.apache.thrift.protocol.TField("publicKey", org.apache.thrift.protocol.TType.STRING, (short)4);
+  private static final org.apache.thrift.protocol.TField PRIVATE_KEY_FIELD_DESC = new org.apache.thrift.protocol.TField("privateKey", org.apache.thrift.protocol.TType.STRING, (short)5);
+  private static final org.apache.thrift.protocol.TField PERSISTED_TIME_FIELD_DESC = new org.apache.thrift.protocol.TField("persistedTime", org.apache.thrift.protocol.TType.I64, (short)6);
+  private static final org.apache.thrift.protocol.TField TOKEN_FIELD_DESC = new org.apache.thrift.protocol.TField("token", org.apache.thrift.protocol.TType.STRING, (short)7);
+
+  private static final Map<Class<? extends IScheme>, SchemeFactory> schemes = new HashMap<Class<? extends IScheme>, SchemeFactory>();
+  static {
+    schemes.put(StandardScheme.class, new SSHCredentialStandardSchemeFactory());
+    schemes.put(TupleScheme.class, new SSHCredentialTupleSchemeFactory());
+  }
+
+  public String gatewayId; // required
+  public String username; // required
+  public String passphrase; // required
+  public String publicKey; // optional
+  public String privateKey; // optional
+  public long persistedTime; // optional
+  public String token; // optional
+
+  /** The set of fields this struct contains, along with convenience methods for finding and manipulating them. */
+  @SuppressWarnings("all") public enum _Fields implements org.apache.thrift.TFieldIdEnum {
+    GATEWAY_ID((short)1, "gatewayId"),
+    USERNAME((short)2, "username"),
+    PASSPHRASE((short)3, "passphrase"),
+    PUBLIC_KEY((short)4, "publicKey"),
+    PRIVATE_KEY((short)5, "privateKey"),
+    PERSISTED_TIME((short)6, "persistedTime"),
+    TOKEN((short)7, "token");
+
+    private static final Map<String, _Fields> byName = new HashMap<String, _Fields>();
+
+    static {
+      for (_Fields field : EnumSet.allOf(_Fields.class)) {
+        byName.put(field.getFieldName(), field);
+      }
+    }
+
+    /**
+     * Find the _Fields constant that matches fieldId, or null if its not found.
+     */
+    public static _Fields findByThriftId(int fieldId) {
+      switch(fieldId) {
+        case 1: // GATEWAY_ID
+          return GATEWAY_ID;
+        case 2: // USERNAME
+          return USERNAME;
+        case 3: // PASSPHRASE
+          return PASSPHRASE;
+        case 4: // PUBLIC_KEY
+          return PUBLIC_KEY;
+        case 5: // PRIVATE_KEY
+          return PRIVATE_KEY;
+        case 6: // PERSISTED_TIME
+          return PERSISTED_TIME;
+        case 7: // TOKEN
+          return TOKEN;
+        default:
+          return null;
+      }
+    }
+
+    /**
+     * Find the _Fields constant that matches fieldId, throwing an exception
+     * if it is not found.
+     */
+    public static _Fields findByThriftIdOrThrow(int fieldId) {
+      _Fields fields = findByThriftId(fieldId);
+      if (fields == null) throw new IllegalArgumentException("Field " + fieldId + " doesn't exist!");
+      return fields;
+    }
+
+    /**
+     * Find the _Fields constant that matches name, or null if its not found.
+     */
+    public static _Fields findByName(String name) {
+      return byName.get(name);
+    }
+
+    private final short _thriftId;
+    private final String _fieldName;
+
+    _Fields(short thriftId, String fieldName) {
+      _thriftId = thriftId;
+      _fieldName = fieldName;
+    }
+
+    public short getThriftFieldId() {
+      return _thriftId;
+    }
+
+    public String getFieldName() {
+      return _fieldName;
+    }
+  }
+
+  // isset id assignments
+  private static final int __PERSISTEDTIME_ISSET_ID = 0;
+  private byte __isset_bitfield = 0;
+  private _Fields optionals[] = {_Fields.PUBLIC_KEY,_Fields.PRIVATE_KEY,_Fields.PERSISTED_TIME,_Fields.TOKEN};
+  public static final Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> metaDataMap;
+  static {
+    Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> tmpMap = new EnumMap<_Fields, org.apache.thrift.meta_data.FieldMetaData>(_Fields.class);
+    tmpMap.put(_Fields.GATEWAY_ID, new org.apache.thrift.meta_data.FieldMetaData("gatewayId", org.apache.thrift.TFieldRequirementType.REQUIRED, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    tmpMap.put(_Fields.USERNAME, new org.apache.thrift.meta_data.FieldMetaData("username", org.apache.thrift.TFieldRequirementType.REQUIRED, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    tmpMap.put(_Fields.PASSPHRASE, new org.apache.thrift.meta_data.FieldMetaData("passphrase", org.apache.thrift.TFieldRequirementType.REQUIRED, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    tmpMap.put(_Fields.PUBLIC_KEY, new org.apache.thrift.meta_data.FieldMetaData("publicKey", org.apache.thrift.TFieldRequirementType.OPTIONAL, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    tmpMap.put(_Fields.PRIVATE_KEY, new org.apache.thrift.meta_data.FieldMetaData("privateKey", org.apache.thrift.TFieldRequirementType.OPTIONAL, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    tmpMap.put(_Fields.PERSISTED_TIME, new org.apache.thrift.meta_data.FieldMetaData("persistedTime", org.apache.thrift.TFieldRequirementType.OPTIONAL, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.I64)));
+    tmpMap.put(_Fields.TOKEN, new org.apache.thrift.meta_data.FieldMetaData("token", org.apache.thrift.TFieldRequirementType.OPTIONAL, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    metaDataMap = Collections.unmodifiableMap(tmpMap);
+    org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(SSHCredential.class, metaDataMap);
+  }
+
+  public SSHCredential() {
+  }
+
+  public SSHCredential(
+    String gatewayId,
+    String username,
+    String passphrase)
+  {
+    this();
+    this.gatewayId = gatewayId;
+    this.username = username;
+    this.passphrase = passphrase;
+  }
+
+  /**
+   * Performs a deep copy on <i>other</i>.
+   */
+  public SSHCredential(SSHCredential other) {
+    __isset_bitfield = other.__isset_bitfield;
+    if (other.isSetGatewayId()) {
+      this.gatewayId = other.gatewayId;
+    }
+    if (other.isSetUsername()) {
+      this.username = other.username;
+    }
+    if (other.isSetPassphrase()) {
+      this.passphrase = other.passphrase;
+    }
+    if (other.isSetPublicKey()) {
+      this.publicKey = other.publicKey;
+    }
+    if (other.isSetPrivateKey()) {
+      this.privateKey = other.privateKey;
+    }
+    this.persistedTime = other.persistedTime;
+    if (other.isSetToken()) {
+      this.token = other.token;
+    }
+  }
+
+  public SSHCredential deepCopy() {
+    return new SSHCredential(this);
+  }
+
+  @Override
+  public void clear() {
+    this.gatewayId = null;
+    this.username = null;
+    this.passphrase = null;
+    this.publicKey = null;
+    this.privateKey = null;
+    setPersistedTimeIsSet(false);
+    this.persistedTime = 0;
+    this.token = null;
+  }
+
+  public String getGatewayId() {
+    return this.gatewayId;
+  }
+
+  public SSHCredential setGatewayId(String gatewayId) {
+    this.gatewayId = gatewayId;
+    return this;
+  }
+
+  public void unsetGatewayId() {
+    this.gatewayId = null;
+  }
+
+  /** Returns true if field gatewayId is set (has been assigned a value) and false otherwise */
+  public boolean isSetGatewayId() {
+    return this.gatewayId != null;
+  }
+
+  public void setGatewayIdIsSet(boolean value) {
+    if (!value) {
+      this.gatewayId = null;
+    }
+  }
+
+  public String getUsername() {
+    return this.username;
+  }
+
+  public SSHCredential setUsername(String username) {
+    this.username = username;
+    return this;
+  }
+
+  public void unsetUsername() {
+    this.username = null;
+  }
+
+  /** Returns true if field username is set (has been assigned a value) and false otherwise */
+  public boolean isSetUsername() {
+    return this.username != null;
+  }
+
+  public void setUsernameIsSet(boolean value) {
+    if (!value) {
+      this.username = null;
+    }
+  }
+
+  public String getPassphrase() {
+    return this.passphrase;
+  }
+
+  public SSHCredential setPassphrase(String passphrase) {
+    this.passphrase = passphrase;
+    return this;
+  }
+
+  public void unsetPassphrase() {
+    this.passphrase = null;
+  }
+
+  /** Returns true if field passphrase is set (has been assigned a value) and false otherwise */
+  public boolean isSetPassphrase() {
+    return this.passphrase != null;
+  }
+
+  public void setPassphraseIsSet(boolean value) {
+    if (!value) {
+      this.passphrase = null;
+    }
+  }
+
+  public String getPublicKey() {
+    return this.publicKey;
+  }
+
+  public SSHCredential setPublicKey(String publicKey) {
+    this.publicKey = publicKey;
+    return this;
+  }
+
+  public void unsetPublicKey() {
+    this.publicKey = null;
+  }
+
+  /** Returns true if field publicKey is set (has been assigned a value) and false otherwise */
+  public boolean isSetPublicKey() {
+    return this.publicKey != null;
+  }
+
+  public void setPublicKeyIsSet(boolean value) {
+    if (!value) {
+      this.publicKey = null;
+    }
+  }
+
+  public String getPrivateKey() {
+    return this.privateKey;
+  }
+
+  public SSHCredential setPrivateKey(String privateKey) {
+    this.privateKey = privateKey;
+    return this;
+  }
+
+  public void unsetPrivateKey() {
+    this.privateKey = null;
+  }
+
+  /** Returns true if field privateKey is set (has been assigned a value) and false otherwise */
+  public boolean isSetPrivateKey() {
+    return this.privateKey != null;
+  }
+
+  public void setPrivateKeyIsSet(boolean value) {
+    if (!value) {
+      this.privateKey = null;
+    }
+  }
+
+  public long getPersistedTime() {
+    return this.persistedTime;
+  }
+
+  public SSHCredential setPersistedTime(long persistedTime) {
+    this.persistedTime = persistedTime;
+    setPersistedTimeIsSet(true);
+    return this;
+  }
+
+  public void unsetPersistedTime() {
+    __isset_bitfield = EncodingUtils.clearBit(__isset_bitfield, __PERSISTEDTIME_ISSET_ID);
+  }
+
+  /** Returns true if field persistedTime is set (has been assigned a value) and false otherwise */
+  public boolean isSetPersistedTime() {
+    return EncodingUtils.testBit(__isset_bitfield, __PERSISTEDTIME_ISSET_ID);
+  }
+
+  public void setPersistedTimeIsSet(boolean value) {
+    __isset_bitfield = EncodingUtils.setBit(__isset_bitfield, __PERSISTEDTIME_ISSET_ID, value);
+  }
+
+  public String getToken() {
+    return this.token;
+  }
+
+  public SSHCredential setToken(String token) {
+    this.token = token;
+    return this;
+  }
+
+  public void unsetToken() {
+    this.token = null;
+  }
+
+  /** Returns true if field token is set (has been assigned a value) and false otherwise */
+  public boolean isSetToken() {
+    return this.token != null;
+  }
+
+  public void setTokenIsSet(boolean value) {
+    if (!value) {
+      this.token = null;
+    }
+  }
+
+  public void setFieldValue(_Fields field, Object value) {
+    switch (field) {
+    case GATEWAY_ID:
+      if (value == null) {
+        unsetGatewayId();
+      } else {
+        setGatewayId((String)value);
+      }
+      break;
+
+    case USERNAME:
+      if (value == null) {
+        unsetUsername();
+      } else {
+        setUsername((String)value);
+      }
+      break;
+
+    case PASSPHRASE:
+      if (value == null) {
+        unsetPassphrase();
+      } else {
+        setPassphrase((String)value);
+      }
+      break;
+
+    case PUBLIC_KEY:
+      if (value == null) {
+        unsetPublicKey();
+      } else {
+        setPublicKey((String)value);
+      }
+      break;
+
+    case PRIVATE_KEY:
+      if (value == null) {
+        unsetPrivateKey();
+      } else {
+        setPrivateKey((String)value);
+      }
+      break;
+
+    case PERSISTED_TIME:
+      if (value == null) {
+        unsetPersistedTime();
+      } else {
+        setPersistedTime((Long)value);
+      }
+      break;
+
+    case TOKEN:
+      if (value == null) {
+        unsetToken();
+      } else {
+        setToken((String)value);
+      }
+      break;
+
+    }
+  }
+
+  public Object getFieldValue(_Fields field) {
+    switch (field) {
+    case GATEWAY_ID:
+      return getGatewayId();
+
+    case USERNAME:
+      return getUsername();
+
+    case PASSPHRASE:
+      return getPassphrase();
+
+    case PUBLIC_KEY:
+      return getPublicKey();
+
+    case PRIVATE_KEY:
+      return getPrivateKey();
+
+    case PERSISTED_TIME:
+      return Long.valueOf(getPersistedTime());
+
+    case TOKEN:
+      return getToken();
+
+    }
+    throw new IllegalStateException();
+  }
+
+  /** Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise */
+  public boolean isSet(_Fields field) {
+    if (field == null) {
+      throw new IllegalArgumentException();
+    }
+
+    switch (field) {
+    case GATEWAY_ID:
+      return isSetGatewayId();
+    case USERNAME:
+      return isSetUsername();
+    case PASSPHRASE:
+      return isSetPassphrase();
+    case PUBLIC_KEY:
+      return isSetPublicKey();
+    case PRIVATE_KEY:
+      return isSetPrivateKey();
+    case PERSISTED_TIME:
+      return isSetPersistedTime();
+    case TOKEN:
+      return isSetToken();
+    }
+    throw new IllegalStateException();
+  }
+
+  @Override
+  public boolean equals(Object that) {
+    if (that == null)
+      return false;
+    if (that instanceof SSHCredential)
+      return this.equals((SSHCredential)that);
+    return false;
+  }
+
+  public boolean equals(SSHCredential that) {
+    if (that == null)
+      return false;
+
+    boolean this_present_gatewayId = true && this.isSetGatewayId();
+    boolean that_present_gatewayId = true && that.isSetGatewayId();
+    if (this_present_gatewayId || that_present_gatewayId) {
+      if (!(this_present_gatewayId && that_present_gatewayId))
+        return false;
+      if (!this.gatewayId.equals(that.gatewayId))
+        return false;
+    }
+
+    boolean this_present_username = true && this.isSetUsername();
+    boolean that_present_username = true && that.isSetUsername();
+    if (this_present_username || that_present_username) {
+      if (!(this_present_username && that_present_username))
+        return false;
+      if (!this.username.equals(that.username))
+        return false;
+    }
+
+    boolean this_present_passphrase = true && this.isSetPassphrase();
+    boolean that_present_passphrase = true && that.isSetPassphrase();
+    if (this_present_passphrase || that_present_passphrase) {
+      if (!(this_present_passphrase && that_present_passphrase))
+        return false;
+      if (!this.passphrase.equals(that.passphrase))
+        return false;
+    }
+
+    boolean this_present_publicKey = true && this.isSetPublicKey();
+    boolean that_present_publicKey = true && that.isSetPublicKey();
+    if (this_present_publicKey || that_present_publicKey) {
+      if (!(this_present_publicKey && that_present_publicKey))
+        return false;
+      if (!this.publicKey.equals(that.publicKey))
+        return false;
+    }
+
+    boolean this_present_privateKey = true && this.isSetPrivateKey();
+    boolean that_present_privateKey = true && that.isSetPrivateKey();
+    if (this_present_privateKey || that_present_privateKey) {
+      if (!(this_present_privateKey && that_present_privateKey))
+        return false;
+      if (!this.privateKey.equals(that.privateKey))
+        return false;
+    }
+
+    boolean this_present_persistedTime = true && this.isSetPersistedTime();
+    boolean that_present_persistedTime = true && that.isSetPersistedTime();
+    if (this_present_persistedTime || that_present_persistedTime) {
+      if (!(this_present_persistedTime && that_present_persistedTime))
+        return false;
+      if (this.persistedTime != that.persistedTime)
+        return false;
+    }
+
+    boolean this_present_token = true && this.isSetToken();
+    boolean that_present_token = true && that.isSetToken();
+    if (this_present_token || that_present_token) {
+      if (!(this_present_token && that_present_token))
+        return false;
+      if (!this.token.equals(that.token))
+        return false;
+    }
+
+    return true;
+  }
+
+  @Override
+  public int hashCode() {
+    return 0;
+  }
+
+  @Override
+  public int compareTo(SSHCredential other) {
+    if (!getClass().equals(other.getClass())) {
+      return getClass().getName().compareTo(other.getClass().getName());
+    }
+
+    int lastComparison = 0;
+
+    lastComparison = Boolean.valueOf(isSetGatewayId()).compareTo(other.isSetGatewayId());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetGatewayId()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.gatewayId, other.gatewayId);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetUsername()).compareTo(other.isSetUsername());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetUsername()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.username, other.username);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetPassphrase()).compareTo(other.isSetPassphrase());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetPassphrase()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.passphrase, other.passphrase);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetPublicKey()).compareTo(other.isSetPublicKey());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetPublicKey()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.publicKey, other.publicKey);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetPrivateKey()).compareTo(other.isSetPrivateKey());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetPrivateKey()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.privateKey, other.privateKey);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetPersistedTime()).compareTo(other.isSetPersistedTime());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetPersistedTime()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.persistedTime, other.persistedTime);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetToken()).compareTo(other.isSetToken());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetToken()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.token, other.token);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    return 0;
+  }
+
+  public _Fields fieldForId(int fieldId) {
+    return _Fields.findByThriftId(fieldId);
+  }
+
+  public void read(org.apache.thrift.protocol.TProtocol iprot) throws org.apache.thrift.TException {
+    schemes.get(iprot.getScheme()).getScheme().read(iprot, this);
+  }
+
+  public void write(org.apache.thrift.protocol.TProtocol oprot) throws org.apache.thrift.TException {
+    schemes.get(oprot.getScheme()).getScheme().write(oprot, this);
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder("SSHCredential(");
+    boolean first = true;
+
+    sb.append("gatewayId:");
+    if (this.gatewayId == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.gatewayId);
+    }
+    first = false;
+    if (!first) sb.append(", ");
+    sb.append("username:");
+    if (this.username == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.username);
+    }
+    first = false;
+    if (!first) sb.append(", ");
+    sb.append("passphrase:");
+    if (this.passphrase == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.passphrase);
+    }
+    first = false;
+    if (isSetPublicKey()) {
+      if (!first) sb.append(", ");
+      sb.append("publicKey:");
+      if (this.publicKey == null) {
+        sb.append("null");
+      } else {
+        sb.append(this.publicKey);
+      }
+      first = false;
+    }
+    if (isSetPrivateKey()) {
+      if (!first) sb.append(", ");
+      sb.append("privateKey:");
+      if (this.privateKey == null) {
+        sb.append("null");
+      } else {
+        sb.append(this.privateKey);
+      }
+      first = false;
+    }
+    if (isSetPersistedTime()) {
+      if (!first) sb.append(", ");
+      sb.append("persistedTime:");
+      sb.append(this.persistedTime);
+      first = false;
+    }
+    if (isSetToken()) {
+      if (!first) sb.append(", ");
+      sb.append("token:");
+      if (this.token == null) {
+        sb.append("null");
+      } else {
+        sb.append(this.token);
+      }
+      first = false;
+    }
+    sb.append(")");
+    return sb.toString();
+  }
+
+  public void validate() throws org.apache.thrift.TException {
+    // check for required fields
+    if (gatewayId == null) {
+      throw new org.apache.thrift.protocol.TProtocolException("Required field 'gatewayId' was not present! Struct: " + toString());
+    }
+    if (username == null) {
+      throw new org.apache.thrift.protocol.TProtocolException("Required field 'username' was not present! Struct: " + toString());
+    }
+    if (passphrase == null) {
+      throw new org.apache.thrift.protocol.TProtocolException("Required field 'passphrase' was not present! Struct: " + toString());
+    }
+    // check for sub-struct validity
+  }
+
+  private void writeObject(java.io.ObjectOutputStream out) throws java.io.IOException {
+    try {
+      write(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(out)));
+    } catch (org.apache.thrift.TException te) {
+      throw new java.io.IOException(te);
+    }
+  }
+
+  private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException {
+    try {
+      // it doesn't seem like you should have to do this, but java serialization is wacky, and doesn't call the default constructor.
+      __isset_bitfield = 0;
+      read(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(in)));
+    } catch (org.apache.thrift.TException te) {
+      throw new java.io.IOException(te);
+    }
+  }
+
+  private static class SSHCredentialStandardSchemeFactory implements SchemeFactory {
+    public SSHCredentialStandardScheme getScheme() {
+      return new SSHCredentialStandardScheme();
+    }
+  }
+
+  private static class SSHCredentialStandardScheme extends StandardScheme<SSHCredential> {
+
+    public void read(org.apache.thrift.protocol.TProtocol iprot, SSHCredential struct) throws org.apache.thrift.TException {
+      org.apache.thrift.protocol.TField schemeField;
+      iprot.readStructBegin();
+      while (true)
+      {
+        schemeField = iprot.readFieldBegin();
+        if (schemeField.type == org.apache.thrift.protocol.TType.STOP) { 
+          break;
+        }
+        switch (schemeField.id) {
+          case 1: // GATEWAY_ID
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.gatewayId = iprot.readString();
+              struct.setGatewayIdIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 2: // USERNAME
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.username = iprot.readString();
+              struct.setUsernameIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 3: // PASSPHRASE
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.passphrase = iprot.readString();
+              struct.setPassphraseIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 4: // PUBLIC_KEY
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.publicKey = iprot.readString();
+              struct.setPublicKeyIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 5: // PRIVATE_KEY
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.privateKey = iprot.readString();
+              struct.setPrivateKeyIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 6: // PERSISTED_TIME
+            if (schemeField.type == org.apache.thrift.protocol.TType.I64) {
+              struct.persistedTime = iprot.readI64();
+              struct.setPersistedTimeIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 7: // TOKEN
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.token = iprot.readString();
+              struct.setTokenIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          default:
+            org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+        }
+        iprot.readFieldEnd();
+      }
+      iprot.readStructEnd();
+
+      // check for required fields of primitive type, which can't be checked in the validate method
+      struct.validate();
+    }
+
+    public void write(org.apache.thrift.protocol.TProtocol oprot, SSHCredential struct) throws org.apache.thrift.TException {
+      struct.validate();
+
+      oprot.writeStructBegin(STRUCT_DESC);
+      if (struct.gatewayId != null) {
+        oprot.writeFieldBegin(GATEWAY_ID_FIELD_DESC);
+        oprot.writeString(struct.gatewayId);
+        oprot.writeFieldEnd();
+      }
+      if (struct.username != null) {
+        oprot.writeFieldBegin(USERNAME_FIELD_DESC);
+        oprot.writeString(struct.username);
+        oprot.writeFieldEnd();
+      }
+      if (struct.passphrase != null) {
+        oprot.writeFieldBegin(PASSPHRASE_FIELD_DESC);
+        oprot.writeString(struct.passphrase);
+        oprot.writeFieldEnd();
+      }
+      if (struct.publicKey != null) {
+        if (struct.isSetPublicKey()) {
+          oprot.writeFieldBegin(PUBLIC_KEY_FIELD_DESC);
+          oprot.writeString(struct.publicKey);
+          oprot.writeFieldEnd();
+        }
+      }
+      if (struct.privateKey != null) {
+        if (struct.isSetPrivateKey()) {
+          oprot.writeFieldBegin(PRIVATE_KEY_FIELD_DESC);
+          oprot.writeString(struct.privateKey);
+          oprot.writeFieldEnd();
+        }
+      }
+      if (struct.isSetPersistedTime()) {
+        oprot.writeFieldBegin(PERSISTED_TIME_FIELD_DESC);
+        oprot.writeI64(struct.persistedTime);
+        oprot.writeFieldEnd();
+      }
+      if (struct.token != null) {
+        if (struct.isSetToken()) {
+          oprot.writeFieldBegin(TOKEN_FIELD_DESC);
+          oprot.writeString(struct.token);
+          oprot.writeFieldEnd();
+        }
+      }
+      oprot.writeFieldStop();
+      oprot.writeStructEnd();
+    }
+
+  }
+
+  private static class SSHCredentialTupleSchemeFactory implements SchemeFactory {
+    public SSHCredentialTupleScheme getScheme() {
+      return new SSHCredentialTupleScheme();
+    }
+  }
+
+  private static class SSHCredentialTupleScheme extends TupleScheme<SSHCredential> {
+
+    @Override
+    public void write(org.apache.thrift.protocol.TProtocol prot, SSHCredential struct) throws org.apache.thrift.TException {
+      TTupleProtocol oprot = (TTupleProtocol) prot;
+      oprot.writeString(struct.gatewayId);
+      oprot.writeString(struct.username);
+      oprot.writeString(struct.passphrase);
+      BitSet optionals = new BitSet();
+      if (struct.isSetPublicKey()) {
+        optionals.set(0);
+      }
+      if (struct.isSetPrivateKey()) {
+        optionals.set(1);
+      }
+      if (struct.isSetPersistedTime()) {
+        optionals.set(2);
+      }
+      if (struct.isSetToken()) {
+        optionals.set(3);
+      }
+      oprot.writeBitSet(optionals, 4);
+      if (struct.isSetPublicKey()) {
+        oprot.writeString(struct.publicKey);
+      }
+      if (struct.isSetPrivateKey()) {
+        oprot.writeString(struct.privateKey);
+      }
+      if (struct.isSetPersistedTime()) {
+        oprot.writeI64(struct.persistedTime);
+      }
+      if (struct.isSetToken()) {
+        oprot.writeString(struct.token);
+      }
+    }
+
+    @Override
+    public void read(org.apache.thrift.protocol.TProtocol prot, SSHCredential struct) throws org.apache.thrift.TException {
+      TTupleProtocol iprot = (TTupleProtocol) prot;
+      struct.gatewayId = iprot.readString();
+      struct.setGatewayIdIsSet(true);
+      struct.username = iprot.readString();
+      struct.setUsernameIsSet(true);
+      struct.passphrase = iprot.readString();
+      struct.setPassphraseIsSet(true);
+      BitSet incoming = iprot.readBitSet(4);
+      if (incoming.get(0)) {
+        struct.publicKey = iprot.readString();
+        struct.setPublicKeyIsSet(true);
+      }
+      if (incoming.get(1)) {
+        struct.privateKey = iprot.readString();
+        struct.setPrivateKeyIsSet(true);
+      }
+      if (incoming.get(2)) {
+        struct.persistedTime = iprot.readI64();
+        struct.setPersistedTimeIsSet(true);
+      }
+      if (incoming.get(3)) {
+        struct.token = iprot.readString();
+        struct.setTokenIsSet(true);
+      }
+    }
+  }
+
+}
+

http://git-wip-us.apache.org/repos/asf/airavata/blob/58c58cf2/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/datamodel/csDataModelConstants.java
----------------------------------------------------------------------
diff --git a/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/datamodel/csDataModelConstants.java b/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/datamodel/csDataModelConstants.java
new file mode 100644
index 0000000..b17513a
--- /dev/null
+++ b/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/datamodel/csDataModelConstants.java
@@ -0,0 +1,55 @@
+    /*
+     * Licensed to the Apache Software Foundation (ASF) under one or more
+     * contributor license agreements.  See the NOTICE file distributed with
+     * this work for additional information regarding copyright ownership.
+     * The ASF licenses this file to You under the Apache License, Version 2.0
+     * (the "License"); you may not use this file except in compliance with
+     * the License.  You may obtain a copy of the License at
+     *
+     *     http://www.apache.org/licenses/LICENSE-2.0
+     *
+     * Unless required by applicable law or agreed to in writing, software
+     * distributed under the License is distributed on an "AS IS" BASIS,
+     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     * See the License for the specific language governing permissions and
+     * limitations under the License.
+     */
+/**
+ * Autogenerated by Thrift Compiler (0.9.1)
+ *
+ * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
+ *  @generated
+ */
+package org.apache.airavata.credential.store.datamodel;
+
+import org.apache.thrift.scheme.IScheme;
+import org.apache.thrift.scheme.SchemeFactory;
+import org.apache.thrift.scheme.StandardScheme;
+
+import org.apache.thrift.scheme.TupleScheme;
+import org.apache.thrift.protocol.TTupleProtocol;
+import org.apache.thrift.protocol.TProtocolException;
+import org.apache.thrift.EncodingUtils;
+import org.apache.thrift.TException;
+import org.apache.thrift.async.AsyncMethodCallback;
+import org.apache.thrift.server.AbstractNonblockingServer.*;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Map;
+import java.util.HashMap;
+import java.util.EnumMap;
+import java.util.Set;
+import java.util.HashSet;
+import java.util.EnumSet;
+import java.util.Collections;
+import java.util.BitSet;
+import java.nio.ByteBuffer;
+import java.util.Arrays;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@SuppressWarnings("all") public class csDataModelConstants {
+
+  public static final String DEFAULT_ID = "DO_NOT_SET_AT_CLIENTS";
+
+}

http://git-wip-us.apache.org/repos/asf/airavata/blob/58c58cf2/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/exception/CredentialStoreException.java
----------------------------------------------------------------------
diff --git a/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/exception/CredentialStoreException.java b/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/exception/CredentialStoreException.java
new file mode 100644
index 0000000..7be01da
--- /dev/null
+++ b/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/exception/CredentialStoreException.java
@@ -0,0 +1,397 @@
+    /*
+     * Licensed to the Apache Software Foundation (ASF) under one or more
+     * contributor license agreements.  See the NOTICE file distributed with
+     * this work for additional information regarding copyright ownership.
+     * The ASF licenses this file to You under the Apache License, Version 2.0
+     * (the "License"); you may not use this file except in compliance with
+     * the License.  You may obtain a copy of the License at
+     *
+     *     http://www.apache.org/licenses/LICENSE-2.0
+     *
+     * Unless required by applicable law or agreed to in writing, software
+     * distributed under the License is distributed on an "AS IS" BASIS,
+     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     * See the License for the specific language governing permissions and
+     * limitations under the License.
+     */
+/**
+ * Autogenerated by Thrift Compiler (0.9.1)
+ *
+ * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
+ *  @generated
+ */
+package org.apache.airavata.credential.store.exception;
+
+import org.apache.thrift.scheme.IScheme;
+import org.apache.thrift.scheme.SchemeFactory;
+import org.apache.thrift.scheme.StandardScheme;
+
+import org.apache.thrift.scheme.TupleScheme;
+import org.apache.thrift.protocol.TTupleProtocol;
+import org.apache.thrift.protocol.TProtocolException;
+import org.apache.thrift.EncodingUtils;
+import org.apache.thrift.TException;
+import org.apache.thrift.async.AsyncMethodCallback;
+import org.apache.thrift.server.AbstractNonblockingServer.*;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Map;
+import java.util.HashMap;
+import java.util.EnumMap;
+import java.util.Set;
+import java.util.HashSet;
+import java.util.EnumSet;
+import java.util.Collections;
+import java.util.BitSet;
+import java.nio.ByteBuffer;
+import java.util.Arrays;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@SuppressWarnings("all") public class CredentialStoreException extends TException implements org.apache.thrift.TBase<CredentialStoreException, CredentialStoreException._Fields>, java.io.Serializable, Cloneable, Comparable<CredentialStoreException> {
+  private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("CredentialStoreException");
+
+  private static final org.apache.thrift.protocol.TField MESSAGE_FIELD_DESC = new org.apache.thrift.protocol.TField("message", org.apache.thrift.protocol.TType.STRING, (short)1);
+
+  private static final Map<Class<? extends IScheme>, SchemeFactory> schemes = new HashMap<Class<? extends IScheme>, SchemeFactory>();
+  static {
+    schemes.put(StandardScheme.class, new CredentialStoreExceptionStandardSchemeFactory());
+    schemes.put(TupleScheme.class, new CredentialStoreExceptionTupleSchemeFactory());
+  }
+
+  public String message; // required
+
+  /** The set of fields this struct contains, along with convenience methods for finding and manipulating them. */
+  @SuppressWarnings("all") public enum _Fields implements org.apache.thrift.TFieldIdEnum {
+    MESSAGE((short)1, "message");
+
+    private static final Map<String, _Fields> byName = new HashMap<String, _Fields>();
+
+    static {
+      for (_Fields field : EnumSet.allOf(_Fields.class)) {
+        byName.put(field.getFieldName(), field);
+      }
+    }
+
+    /**
+     * Find the _Fields constant that matches fieldId, or null if its not found.
+     */
+    public static _Fields findByThriftId(int fieldId) {
+      switch(fieldId) {
+        case 1: // MESSAGE
+          return MESSAGE;
+        default:
+          return null;
+      }
+    }
+
+    /**
+     * Find the _Fields constant that matches fieldId, throwing an exception
+     * if it is not found.
+     */
+    public static _Fields findByThriftIdOrThrow(int fieldId) {
+      _Fields fields = findByThriftId(fieldId);
+      if (fields == null) throw new IllegalArgumentException("Field " + fieldId + " doesn't exist!");
+      return fields;
+    }
+
+    /**
+     * Find the _Fields constant that matches name, or null if its not found.
+     */
+    public static _Fields findByName(String name) {
+      return byName.get(name);
+    }
+
+    private final short _thriftId;
+    private final String _fieldName;
+
+    _Fields(short thriftId, String fieldName) {
+      _thriftId = thriftId;
+      _fieldName = fieldName;
+    }
+
+    public short getThriftFieldId() {
+      return _thriftId;
+    }
+
+    public String getFieldName() {
+      return _fieldName;
+    }
+  }
+
+  // isset id assignments
+  public static final Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> metaDataMap;
+  static {
+    Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> tmpMap = new EnumMap<_Fields, org.apache.thrift.meta_data.FieldMetaData>(_Fields.class);
+    tmpMap.put(_Fields.MESSAGE, new org.apache.thrift.meta_data.FieldMetaData("message", org.apache.thrift.TFieldRequirementType.REQUIRED, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    metaDataMap = Collections.unmodifiableMap(tmpMap);
+    org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(CredentialStoreException.class, metaDataMap);
+  }
+
+  public CredentialStoreException() {
+  }
+
+  public CredentialStoreException(
+    String message)
+  {
+    this();
+    this.message = message;
+  }
+
+  /**
+   * Performs a deep copy on <i>other</i>.
+   */
+  public CredentialStoreException(CredentialStoreException other) {
+    if (other.isSetMessage()) {
+      this.message = other.message;
+    }
+  }
+
+  public CredentialStoreException deepCopy() {
+    return new CredentialStoreException(this);
+  }
+
+  @Override
+  public void clear() {
+    this.message = null;
+  }
+
+  public String getMessage() {
+    return this.message;
+  }
+
+  public CredentialStoreException setMessage(String message) {
+    this.message = message;
+    return this;
+  }
+
+  public void unsetMessage() {
+    this.message = null;
+  }
+
+  /** Returns true if field message is set (has been assigned a value) and false otherwise */
+  public boolean isSetMessage() {
+    return this.message != null;
+  }
+
+  public void setMessageIsSet(boolean value) {
+    if (!value) {
+      this.message = null;
+    }
+  }
+
+  public void setFieldValue(_Fields field, Object value) {
+    switch (field) {
+    case MESSAGE:
+      if (value == null) {
+        unsetMessage();
+      } else {
+        setMessage((String)value);
+      }
+      break;
+
+    }
+  }
+
+  public Object getFieldValue(_Fields field) {
+    switch (field) {
+    case MESSAGE:
+      return getMessage();
+
+    }
+    throw new IllegalStateException();
+  }
+
+  /** Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise */
+  public boolean isSet(_Fields field) {
+    if (field == null) {
+      throw new IllegalArgumentException();
+    }
+
+    switch (field) {
+    case MESSAGE:
+      return isSetMessage();
+    }
+    throw new IllegalStateException();
+  }
+
+  @Override
+  public boolean equals(Object that) {
+    if (that == null)
+      return false;
+    if (that instanceof CredentialStoreException)
+      return this.equals((CredentialStoreException)that);
+    return false;
+  }
+
+  public boolean equals(CredentialStoreException that) {
+    if (that == null)
+      return false;
+
+    boolean this_present_message = true && this.isSetMessage();
+    boolean that_present_message = true && that.isSetMessage();
+    if (this_present_message || that_present_message) {
+      if (!(this_present_message && that_present_message))
+        return false;
+      if (!this.message.equals(that.message))
+        return false;
+    }
+
+    return true;
+  }
+
+  @Override
+  public int hashCode() {
+    return 0;
+  }
+
+  @Override
+  public int compareTo(CredentialStoreException other) {
+    if (!getClass().equals(other.getClass())) {
+      return getClass().getName().compareTo(other.getClass().getName());
+    }
+
+    int lastComparison = 0;
+
+    lastComparison = Boolean.valueOf(isSetMessage()).compareTo(other.isSetMessage());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetMessage()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.message, other.message);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    return 0;
+  }
+
+  public _Fields fieldForId(int fieldId) {
+    return _Fields.findByThriftId(fieldId);
+  }
+
+  public void read(org.apache.thrift.protocol.TProtocol iprot) throws org.apache.thrift.TException {
+    schemes.get(iprot.getScheme()).getScheme().read(iprot, this);
+  }
+
+  public void write(org.apache.thrift.protocol.TProtocol oprot) throws org.apache.thrift.TException {
+    schemes.get(oprot.getScheme()).getScheme().write(oprot, this);
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder("CredentialStoreException(");
+    boolean first = true;
+
+    sb.append("message:");
+    if (this.message == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.message);
+    }
+    first = false;
+    sb.append(")");
+    return sb.toString();
+  }
+
+  public void validate() throws org.apache.thrift.TException {
+    // check for required fields
+    if (message == null) {
+      throw new org.apache.thrift.protocol.TProtocolException("Required field 'message' was not present! Struct: " + toString());
+    }
+    // check for sub-struct validity
+  }
+
+  private void writeObject(java.io.ObjectOutputStream out) throws java.io.IOException {
+    try {
+      write(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(out)));
+    } catch (org.apache.thrift.TException te) {
+      throw new java.io.IOException(te);
+    }
+  }
+
+  private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException {
+    try {
+      read(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(in)));
+    } catch (org.apache.thrift.TException te) {
+      throw new java.io.IOException(te);
+    }
+  }
+
+  private static class CredentialStoreExceptionStandardSchemeFactory implements SchemeFactory {
+    public CredentialStoreExceptionStandardScheme getScheme() {
+      return new CredentialStoreExceptionStandardScheme();
+    }
+  }
+
+  private static class CredentialStoreExceptionStandardScheme extends StandardScheme<CredentialStoreException> {
+
+    public void read(org.apache.thrift.protocol.TProtocol iprot, CredentialStoreException struct) throws org.apache.thrift.TException {
+      org.apache.thrift.protocol.TField schemeField;
+      iprot.readStructBegin();
+      while (true)
+      {
+        schemeField = iprot.readFieldBegin();
+        if (schemeField.type == org.apache.thrift.protocol.TType.STOP) { 
+          break;
+        }
+        switch (schemeField.id) {
+          case 1: // MESSAGE
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.message = iprot.readString();
+              struct.setMessageIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          default:
+            org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+        }
+        iprot.readFieldEnd();
+      }
+      iprot.readStructEnd();
+
+      // check for required fields of primitive type, which can't be checked in the validate method
+      struct.validate();
+    }
+
+    public void write(org.apache.thrift.protocol.TProtocol oprot, CredentialStoreException struct) throws org.apache.thrift.TException {
+      struct.validate();
+
+      oprot.writeStructBegin(STRUCT_DESC);
+      if (struct.message != null) {
+        oprot.writeFieldBegin(MESSAGE_FIELD_DESC);
+        oprot.writeString(struct.message);
+        oprot.writeFieldEnd();
+      }
+      oprot.writeFieldStop();
+      oprot.writeStructEnd();
+    }
+
+  }
+
+  private static class CredentialStoreExceptionTupleSchemeFactory implements SchemeFactory {
+    public CredentialStoreExceptionTupleScheme getScheme() {
+      return new CredentialStoreExceptionTupleScheme();
+    }
+  }
+
+  private static class CredentialStoreExceptionTupleScheme extends TupleScheme<CredentialStoreException> {
+
+    @Override
+    public void write(org.apache.thrift.protocol.TProtocol prot, CredentialStoreException struct) throws org.apache.thrift.TException {
+      TTupleProtocol oprot = (TTupleProtocol) prot;
+      oprot.writeString(struct.message);
+    }
+
+    @Override
+    public void read(org.apache.thrift.protocol.TProtocol prot, CredentialStoreException struct) throws org.apache.thrift.TException {
+      TTupleProtocol iprot = (TTupleProtocol) prot;
+      struct.message = iprot.readString();
+      struct.setMessageIsSet(true);
+    }
+  }
+
+}
+

http://git-wip-us.apache.org/repos/asf/airavata/blob/58c58cf2/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/notifier/CredentialStoreNotifier.java
----------------------------------------------------------------------
diff --git a/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/notifier/CredentialStoreNotifier.java b/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/notifier/CredentialStoreNotifier.java
new file mode 100644
index 0000000..62b6e27
--- /dev/null
+++ b/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/notifier/CredentialStoreNotifier.java
@@ -0,0 +1,42 @@
+package org.apache.airavata.credential.store.notifier;/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+
+
+import org.apache.airavata.credential.store.store.CredentialStoreException;
+
+/**
+ * This class is used to notify particular entity with expiring credentials.
+ * The default implementation uses email messages.
+ * User: AmilaJ (amilaj@apache.org)
+ * Date: 12/3/13
+ * Time: 4:17 PM
+ */
+public interface CredentialStoreNotifier {
+
+    /**
+     * The specific notifier implementation needs to implement following method.
+     * This method should actually deliver message to desired entity.
+     * @param message The actual message encapsulated
+     * @throws CredentialStoreException
+     */
+    void notifyMessage(NotificationMessage message) throws CredentialStoreException;
+
+}

http://git-wip-us.apache.org/repos/asf/airavata/blob/58c58cf2/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/notifier/NotificationMessage.java
----------------------------------------------------------------------
diff --git a/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/notifier/NotificationMessage.java b/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/notifier/NotificationMessage.java
new file mode 100644
index 0000000..96f0bd9
--- /dev/null
+++ b/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/notifier/NotificationMessage.java
@@ -0,0 +1,46 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+
+package org.apache.airavata.credential.store.notifier;
+
+/**
+ * User: AmilaJ (amilaj@apache.org)
+ * Date: 12/3/13
+ * Time: 4:21 PM
+ */
+
+/**
+ * Encapsulates the notification message.
+ * Usually says particular credential is expiring and need to renew.
+ */
+public class NotificationMessage {
+
+    protected String message;
+
+    public NotificationMessage(String msg) {
+        this.message = msg;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/airavata/blob/58c58cf2/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/notifier/NotifierBootstrap.java
----------------------------------------------------------------------
diff --git a/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/notifier/NotifierBootstrap.java b/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/notifier/NotifierBootstrap.java
new file mode 100644
index 0000000..de84ae2
--- /dev/null
+++ b/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/notifier/NotifierBootstrap.java
@@ -0,0 +1,144 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+
+package org.apache.airavata.credential.store.notifier;
+
+/**
+ * User: AmilaJ (amilaj@apache.org)
+ * Date: 12/27/13
+ * Time: 2:22 PM
+ */
+
+import org.apache.airavata.common.exception.ApplicationSettingsException;
+import org.apache.airavata.common.utils.DBUtil;
+import org.apache.airavata.credential.store.credential.CommunityUser;
+import org.apache.airavata.credential.store.credential.Credential;
+import org.apache.airavata.credential.store.credential.impl.certificate.CertificateCredential;
+import org.apache.airavata.credential.store.notifier.impl.EmailNotificationMessage;
+import org.apache.airavata.credential.store.notifier.impl.EmailNotifier;
+import org.apache.airavata.credential.store.notifier.impl.EmailNotifierConfiguration;
+import org.apache.airavata.credential.store.store.CredentialReader;
+import org.apache.airavata.credential.store.store.CredentialStoreException;
+import org.apache.airavata.credential.store.store.impl.CredentialReaderImpl;
+import org.apache.airavata.credential.store.util.Utility;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.*;
+
+/**
+ * This class runs a timer. Periodically it checks for expiring credentials.
+ * Then if there are expiring credentials this will send an email.
+ */
+public class NotifierBootstrap extends TimerTask {
+
+    private static boolean enabled = false;
+
+    private static String MESSAGE = "Credentials for community user {0} expires at {1}";
+    private static String SUBJECT = "Expiring credentials for user {0}";
+
+    private DBUtil dbUtil;
+
+    private long period;
+
+    protected static Logger log = LoggerFactory.getLogger(NotifierBootstrap.class);
+
+
+    private CredentialStoreNotifier credentialStoreNotifier;
+
+    public NotifierBootstrap(long period, DBUtil db, EmailNotifierConfiguration configuration) {
+        this.period = period;
+
+        // bootstrap
+        if (enabled) {
+            Timer timer = new Timer();
+            timer.scheduleAtFixedRate(this, 0, period);
+        }
+
+        this.dbUtil = db;
+
+        this.credentialStoreNotifier = new EmailNotifier(configuration);
+    }
+
+
+
+    public long getPeriod() {
+        return period;
+    }
+
+    public void setPeriod(long period) {
+        this.period = period;
+    }
+
+    public static boolean isEnabled() {
+        return enabled;
+    }
+
+    public static void setEnabled(boolean enabled) {
+        NotifierBootstrap.enabled = enabled;
+    }
+
+    @Override
+    public void run() {
+
+        if (!enabled)
+            return;
+
+        // retrieve OA4MP credentials
+        try {
+            CredentialReader credentialReader = new CredentialReaderImpl(this.dbUtil);
+            List<Credential> credentials = credentialReader.getAllCredentials();
+
+            for(Credential credential : credentials) {
+                if (credential instanceof CertificateCredential) {
+                    CertificateCredential certificateCredential = (CertificateCredential)credential;
+
+                    Date date = Utility.convertStringToDate(certificateCredential.getNotAfter());
+                    date.setDate(date.getDate() + 1);    // gap is 1 days
+
+                    Date currentDate = new Date();
+                    if (currentDate.after(date)) {
+                        // Send an email
+                        CommunityUser communityUser = certificateCredential.getCommunityUser();
+                        String body =
+                                String.format(MESSAGE, communityUser.getUserName(), certificateCredential.getNotAfter());
+                        String subject = String.format(SUBJECT, communityUser.getUserName());
+                        NotificationMessage notificationMessage
+                                = new EmailNotificationMessage(subject, communityUser.getUserEmail(), body);
+
+                        this.credentialStoreNotifier.notifyMessage(notificationMessage);
+
+                    }
+                }
+            }
+
+        } catch (ApplicationSettingsException e) {
+            log.error("Error configuring email senders.", e);
+        } catch (CredentialStoreException e) {
+            log.error("Error sending emails about credential expiring.", e);
+        } catch (ParseException e) {
+            log.error("Error parsing date time when sending emails", e);
+        }
+
+    }
+}

http://git-wip-us.apache.org/repos/asf/airavata/blob/58c58cf2/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/notifier/impl/EmailNotificationMessage.java
----------------------------------------------------------------------
diff --git a/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/notifier/impl/EmailNotificationMessage.java b/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/notifier/impl/EmailNotificationMessage.java
new file mode 100644
index 0000000..ffd84c8
--- /dev/null
+++ b/modules/credential-store/credential-store-service/src/main/java/org/apache/airavata/credential/store/notifier/impl/EmailNotificationMessage.java
@@ -0,0 +1,58 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+
+package org.apache.airavata.credential.store.notifier.impl;
+
+import org.apache.airavata.credential.store.notifier.NotificationMessage;
+
+/**
+ * User: AmilaJ (amilaj@apache.org)
+ * Date: 12/3/13
+ * Time: 5:01 PM
+ */
+
+public class EmailNotificationMessage extends NotificationMessage {
+
+    public EmailNotificationMessage(String subject, String senderEmail, String msg) {
+        super(msg);
+        this.subject = subject;
+        this.senderEmail = senderEmail;
+    }
+
+    private String subject;
+    private String senderEmail;
+
+    public String getSubject() {
+        return subject;
+    }
+
+    public void setSubject(String subject) {
+        this.subject = subject;
+    }
+
+    public String getSenderEmail() {
+        return senderEmail;
+    }
+
+    public void setSenderEmail(String senderEmail) {
+        this.senderEmail = senderEmail;
+    }
+}


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