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From suma...@apache.org
Subject incubator-atlas git commit: ATLAS-1225: Updated AtlasTypeDefGraphStore to use AtlasTypesRegistry, to reduce query to Graph DB
Date Mon, 17 Oct 2016 18:54:45 GMT
Repository: incubator-atlas
Updated Branches:
  refs/heads/master 51d24ae3b -> e5fe91a44


ATLAS-1225: Updated AtlasTypeDefGraphStore to use AtlasTypesRegistry, to reduce query to Graph DB


Project: http://git-wip-us.apache.org/repos/asf/incubator-atlas/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-atlas/commit/e5fe91a4
Tree: http://git-wip-us.apache.org/repos/asf/incubator-atlas/tree/e5fe91a4
Diff: http://git-wip-us.apache.org/repos/asf/incubator-atlas/diff/e5fe91a4

Branch: refs/heads/master
Commit: e5fe91a44bff992e571d3ff5811113068d635e36
Parents: 51d24ae
Author: Madhan Neethiraj <madhan@apache.org>
Authored: Thu Oct 13 13:57:03 2016 -0700
Committer: Suma Shivaprasad <sumasai.shivaprasad@gmail.com>
Committed: Mon Oct 17 11:54:30 2016 -0700

----------------------------------------------------------------------
 .../atlas/model/typedef/AtlasStructDef.java     |  14 +-
 .../apache/atlas/store/AtlasTypeDefStore.java   |   2 +-
 .../org/apache/atlas/type/AtlasArrayType.java   |  16 +
 .../org/apache/atlas/type/AtlasEnumType.java    |   5 +
 .../org/apache/atlas/type/AtlasMapType.java     |  20 +
 .../org/apache/atlas/type/AtlasStructType.java  |  31 +-
 .../java/org/apache/atlas/type/AtlasType.java   |   1 -
 .../apache/atlas/type/AtlasTypeRegistry.java    | 405 ++++++++++++-------
 .../org/apache/atlas/model/ModelTestUtil.java   |  14 +-
 .../apache/atlas/type/TestAtlasEntityType.java  |   2 +-
 release-log.txt                                 |   1 +
 .../store/graph/AtlasTypeDefGraphStore.java     | 356 ++++++++++------
 .../graph/v1/AtlasClassificationDefStoreV1.java |   2 -
 .../store/graph/v1/AtlasStructDefStoreV1.java   |  28 +-
 .../graph/v1/AtlasTypeDefGraphStoreV1.java      |  24 +-
 .../org/apache/atlas/web/rest/TypesREST.java    |   2 +-
 16 files changed, 609 insertions(+), 314 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-atlas/blob/e5fe91a4/intg/src/main/java/org/apache/atlas/model/typedef/AtlasStructDef.java
----------------------------------------------------------------------
diff --git a/intg/src/main/java/org/apache/atlas/model/typedef/AtlasStructDef.java b/intg/src/main/java/org/apache/atlas/model/typedef/AtlasStructDef.java
index ebfd535..55bff2b 100644
--- a/intg/src/main/java/org/apache/atlas/model/typedef/AtlasStructDef.java
+++ b/intg/src/main/java/org/apache/atlas/model/typedef/AtlasStructDef.java
@@ -195,7 +195,16 @@ public class AtlasStructDef extends AtlasBaseTypeDef implements Serializable {
         sb.append("AtlasStructDef{");
         super.toString(sb);
         sb.append(", attributeDefs=[");
-        dumpObjects(attributeDefs, sb);
+        if (CollectionUtils.isNotEmpty(attributeDefs)) {
+            int i = 0;
+            for (AtlasAttributeDef attributeDef : attributeDefs) {
+                attributeDef.toString(sb);
+                if (i > 0) {
+                    sb.append(", ");
+                }
+                i++;
+            }
+        }
         sb.append("]");
         sb.append('}');
 
@@ -287,7 +296,6 @@ public class AtlasStructDef extends AtlasBaseTypeDef implements Serializable {
             }
         }
 
-
         public String getName() {
             return name;
         }
@@ -350,7 +358,6 @@ public class AtlasStructDef extends AtlasBaseTypeDef implements Serializable {
             isIndexable = idexable;
         }
 
-
         public StringBuilder toString(StringBuilder sb) {
             if (sb == null) {
                 sb = new StringBuilder();
@@ -410,7 +417,6 @@ public class AtlasStructDef extends AtlasBaseTypeDef implements Serializable {
         }
     }
 
-
     /**
      * REST serialization friendly list.
      */

http://git-wip-us.apache.org/repos/asf/incubator-atlas/blob/e5fe91a4/intg/src/main/java/org/apache/atlas/store/AtlasTypeDefStore.java
----------------------------------------------------------------------
diff --git a/intg/src/main/java/org/apache/atlas/store/AtlasTypeDefStore.java b/intg/src/main/java/org/apache/atlas/store/AtlasTypeDefStore.java
index bc95288..058ea44 100644
--- a/intg/src/main/java/org/apache/atlas/store/AtlasTypeDefStore.java
+++ b/intg/src/main/java/org/apache/atlas/store/AtlasTypeDefStore.java
@@ -114,7 +114,7 @@ public interface AtlasTypeDefStore {
     /*************************/
     /** EntityDef operation **/
     /*************************/
-    AtlasEntityDef createEntityDefs(AtlasEntityDef entityDef) throws AtlasBaseException;
+    AtlasEntityDef createEntityDef(AtlasEntityDef entityDef) throws AtlasBaseException;
 
     List<AtlasEntityDef> createEntityDefs(List<AtlasEntityDef> entityDefs) throws AtlasBaseException;
 

http://git-wip-us.apache.org/repos/asf/incubator-atlas/blob/e5fe91a4/intg/src/main/java/org/apache/atlas/type/AtlasArrayType.java
----------------------------------------------------------------------
diff --git a/intg/src/main/java/org/apache/atlas/type/AtlasArrayType.java b/intg/src/main/java/org/apache/atlas/type/AtlasArrayType.java
index 1473c3a..2b79974 100644
--- a/intg/src/main/java/org/apache/atlas/type/AtlasArrayType.java
+++ b/intg/src/main/java/org/apache/atlas/type/AtlasArrayType.java
@@ -84,6 +84,22 @@ public class AtlasArrayType extends AtlasType {
         this.resolveReferences(typeRegistry);
     }
 
+    public String getElementTypeName() {
+        return elementTypeName;
+    }
+
+    public int getMinCount() {
+        return minCount;
+    }
+
+    public int getMaxCount() {
+        return maxCount;
+    }
+
+    public AtlasType getElementType() {
+        return elementType;
+    }
+
     @Override
     public void resolveReferences(AtlasTypeRegistry typeRegistry) throws AtlasBaseException {
         elementType = typeRegistry.getType(elementTypeName);

http://git-wip-us.apache.org/repos/asf/incubator-atlas/blob/e5fe91a4/intg/src/main/java/org/apache/atlas/type/AtlasEnumType.java
----------------------------------------------------------------------
diff --git a/intg/src/main/java/org/apache/atlas/type/AtlasEnumType.java b/intg/src/main/java/org/apache/atlas/type/AtlasEnumType.java
index 34f5d49..5b41e71 100644
--- a/intg/src/main/java/org/apache/atlas/type/AtlasEnumType.java
+++ b/intg/src/main/java/org/apache/atlas/type/AtlasEnumType.java
@@ -22,6 +22,7 @@ import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
 
+import org.apache.atlas.exception.AtlasBaseException;
 import org.apache.atlas.model.typedef.AtlasEnumDef;
 import org.apache.atlas.model.typedef.AtlasEnumDef.AtlasEnumElementDef;
 
@@ -59,6 +60,10 @@ public class AtlasEnumType extends AtlasType {
     }
 
     @Override
+    public void resolveReferences(AtlasTypeRegistry typeRegistry) throws AtlasBaseException {
+    }
+
+    @Override
     public Object createDefaultValue() {
         return defaultValue;
     }

http://git-wip-us.apache.org/repos/asf/incubator-atlas/blob/e5fe91a4/intg/src/main/java/org/apache/atlas/type/AtlasMapType.java
----------------------------------------------------------------------
diff --git a/intg/src/main/java/org/apache/atlas/type/AtlasMapType.java b/intg/src/main/java/org/apache/atlas/type/AtlasMapType.java
index ca5bb21..d770bc7 100644
--- a/intg/src/main/java/org/apache/atlas/type/AtlasMapType.java
+++ b/intg/src/main/java/org/apache/atlas/type/AtlasMapType.java
@@ -64,6 +64,26 @@ public class AtlasMapType extends AtlasType {
         resolveReferences(typeRegistry);
     }
 
+    public String getKeyTypeName() {
+        return keyTypeName;
+    }
+
+    public String getValueTypeName() {
+        return valueTypeName;
+    }
+
+    public AtlasType getKeyType() {
+        return keyType;
+    }
+
+    public AtlasType getValueType() {
+        return valueType;
+    }
+
+    public void setKeyType(AtlasType keyType) {
+        this.keyType = keyType;
+    }
+
     @Override
     public void resolveReferences(AtlasTypeRegistry typeRegistry) throws AtlasBaseException {
         this.keyType   = typeRegistry.getType(keyTypeName);

http://git-wip-us.apache.org/repos/asf/incubator-atlas/blob/e5fe91a4/intg/src/main/java/org/apache/atlas/type/AtlasStructType.java
----------------------------------------------------------------------
diff --git a/intg/src/main/java/org/apache/atlas/type/AtlasStructType.java b/intg/src/main/java/org/apache/atlas/type/AtlasStructType.java
index 096f061..8813542 100644
--- a/intg/src/main/java/org/apache/atlas/type/AtlasStructType.java
+++ b/intg/src/main/java/org/apache/atlas/type/AtlasStructType.java
@@ -38,6 +38,7 @@ public class AtlasStructType extends AtlasType {
 
     private Map<String, AtlasType> attrTypes = Collections.emptyMap();
 
+
     public AtlasStructType(AtlasStructDef structDef) {
         super(structDef.getName());
 
@@ -52,6 +53,10 @@ public class AtlasStructType extends AtlasType {
         this.resolveReferences(typeRegistry);
     }
 
+    public AtlasType getAttributeType(String attributeName) { return attrTypes.get(attributeName); }
+
+    public AtlasAttributeDef getAttributeDef(String attributeName) { return structDef.getAttribute(attributeName); }
+
     @Override
     public void resolveReferences(AtlasTypeRegistry typeRegistry) throws AtlasBaseException {
         Map<String, AtlasType> a = new HashMap<String, AtlasType>();
@@ -59,24 +64,20 @@ public class AtlasStructType extends AtlasType {
         for (AtlasAttributeDef attributeDef : structDef.getAttributeDefs()) {
             AtlasType attrType = typeRegistry.getType(attributeDef.getTypeName());
 
-            if (attrType != null) {
-                Cardinality cardinality = attributeDef.getCardinality();
-
-                if (cardinality == Cardinality.LIST || cardinality == Cardinality.SET) {
-                    attrType = new AtlasArrayType(attrType,
-                                                  attributeDef.getValuesMinCount(),
-                                                  attributeDef.getValuesMaxCount());
-                }
-
-                a.put(attributeDef.getName(), attrType);
-            } else {
-                String msg = attributeDef.getTypeName() + ": unknown type for attribute "
-                             + structDef.getName() + "." + attributeDef.getName();
+            if (attrType == null) {
+                throw new AtlasBaseException(attributeDef.getTypeName() + ": unknown type for attribute "
+                                             + structDef.getName() + "." + attributeDef.getName());
+            }
 
-                LOG.error(msg);
+            Cardinality cardinality = attributeDef.getCardinality();
 
-                throw new AtlasBaseException(msg);
+            if (cardinality == Cardinality.LIST || cardinality == Cardinality.SET) {
+                attrType = new AtlasArrayType(attrType,
+                                              attributeDef.getValuesMinCount(),
+                                              attributeDef.getValuesMaxCount());
             }
+
+            a.put(attributeDef.getName(), attrType);
         }
 
         this.attrTypes = Collections.unmodifiableMap(a);

http://git-wip-us.apache.org/repos/asf/incubator-atlas/blob/e5fe91a4/intg/src/main/java/org/apache/atlas/type/AtlasType.java
----------------------------------------------------------------------
diff --git a/intg/src/main/java/org/apache/atlas/type/AtlasType.java b/intg/src/main/java/org/apache/atlas/type/AtlasType.java
index a3f1b02..204e305 100644
--- a/intg/src/main/java/org/apache/atlas/type/AtlasType.java
+++ b/intg/src/main/java/org/apache/atlas/type/AtlasType.java
@@ -41,7 +41,6 @@ public abstract class AtlasType {
     }
 
     public void resolveReferences(AtlasTypeRegistry typeRegistry) throws AtlasBaseException {
-
     }
 
     public String getTypeName() { return typeName; }

http://git-wip-us.apache.org/repos/asf/incubator-atlas/blob/e5fe91a4/intg/src/main/java/org/apache/atlas/type/AtlasTypeRegistry.java
----------------------------------------------------------------------
diff --git a/intg/src/main/java/org/apache/atlas/type/AtlasTypeRegistry.java b/intg/src/main/java/org/apache/atlas/type/AtlasTypeRegistry.java
index f4683ff..c3f17f4 100644
--- a/intg/src/main/java/org/apache/atlas/type/AtlasTypeRegistry.java
+++ b/intg/src/main/java/org/apache/atlas/type/AtlasTypeRegistry.java
@@ -18,12 +18,18 @@
 package org.apache.atlas.type;
 
 import org.apache.atlas.exception.AtlasBaseException;
-import org.apache.atlas.model.typedef.*;
+import org.apache.atlas.model.typedef.AtlasBaseTypeDef;
+import org.apache.atlas.model.typedef.AtlasClassificationDef;
+import org.apache.atlas.model.typedef.AtlasEnumDef;
+import org.apache.atlas.model.typedef.AtlasEntityDef;
+import org.apache.atlas.model.typedef.AtlasStructDef;
 import static org.apache.atlas.model.typedef.AtlasBaseTypeDef.ATLAS_TYPE_ARRAY_PREFIX;
 import static org.apache.atlas.model.typedef.AtlasBaseTypeDef.ATLAS_TYPE_ARRAY_SUFFIX;
 import static org.apache.atlas.model.typedef.AtlasBaseTypeDef.ATLAS_TYPE_MAP_PREFIX;
 import static org.apache.atlas.model.typedef.AtlasBaseTypeDef.ATLAS_TYPE_MAP_SUFFIX;
 import static org.apache.atlas.model.typedef.AtlasBaseTypeDef.ATLAS_TYPE_MAP_KEY_VAL_SEP;
+
+import org.apache.commons.collections.CollectionUtils;
 import org.apache.commons.lang.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -45,7 +51,6 @@ public class AtlasTypeRegistry {
     private final TypeDefCache<AtlasClassificationDef> classificationDefs;
     private final TypeDefCache<AtlasEntityDef>         entityDefs;
 
-
     public AtlasTypeRegistry() {
         allTypes           = new ConcurrentHashMap<>();
         enumDefs           = new TypeDefCache<>(this);
@@ -67,12 +72,6 @@ public class AtlasTypeRegistry {
         registerType(new AtlasBuiltInTypes.AtlasObjectIdType());
     }
 
-    public void resolveReferences() throws AtlasBaseException {
-        for (Map.Entry<String, AtlasType> e : allTypes.entrySet()) {
-            e.getValue().resolveReferences(this);
-        }
-    }
-
     public Collection<String> getAllTypeNames() { return Collections.unmodifiableSet(allTypes.keySet()); }
 
     public AtlasType getType(String typeName) {
@@ -112,260 +111,386 @@ public class AtlasTypeRegistry {
     }
 
 
-    public void addEnumDef(AtlasEnumDef enumDef) {
+    public void addType(AtlasBaseTypeDef typeDef) throws AtlasBaseException {
         if (LOG.isDebugEnabled()) {
-            LOG.debug("==> AtlasTypeRegistry.addEnumDef({})", enumDef);
+            LOG.debug("==> AtlasTypeRegistry.addType({})", typeDef);
         }
 
-        enumDefs.addType(enumDef, new AtlasEnumType(enumDef));
+        if (typeDef == null) {
+            // ignore
+        } else if (typeDef.getClass().equals(AtlasEnumDef.class)) {
+            AtlasEnumDef enumDef = (AtlasEnumDef)typeDef;
 
-        if (LOG.isDebugEnabled()) {
-            LOG.debug("<== AtlasTypeRegistry.addEnumDef({})", enumDef);
-        }
-    }
+            enumDefs.addType(enumDef, new AtlasEnumType(enumDef));
+        } else if (typeDef.getClass().equals(AtlasStructDef.class)) {
+            AtlasStructDef structDef = (AtlasStructDef)typeDef;
 
-    public Collection<AtlasEnumDef> getAllEnumDefs() { return enumDefs.getAll(); }
+            structDefs.addType(structDef, new AtlasStructType(structDef, this));
+        } else if (typeDef.getClass().equals(AtlasClassificationDef.class)) {
+            AtlasClassificationDef classificationDef = (AtlasClassificationDef)typeDef;
 
-    public AtlasEnumDef getEnumDefByGuid(String guid) {
-        return enumDefs.getTypeDefByGuid(guid);
-    }
+            classificationDefs.addType(classificationDef, new AtlasClassificationType(classificationDef, this));
+        } else if (typeDef.getClass().equals(AtlasEntityDef.class)) {
+            AtlasEntityDef entityDef = (AtlasEntityDef)typeDef;
 
-    public AtlasEnumDef getEnumDefByName(String name) {
-        return enumDefs.getTypeDefByName(name);
+            entityDefs.addType(entityDef, new AtlasEntityType(entityDef, this));
+        }
+
+        if (LOG.isDebugEnabled()) {
+            LOG.debug("<== AtlasTypeRegistry.addType({})", typeDef);
+        }
     }
 
-    public void removeEnumDefByGuid(String guid) {
+    public void addTypeWithNoRefResolve(AtlasBaseTypeDef typeDef) {
         if (LOG.isDebugEnabled()) {
-            LOG.debug("==> AtlasTypeRegistry.removeEnumDefByGuid({})", guid);
+            LOG.debug("==> AtlasTypeRegistry.addTypeWithNoRefResolve({})", typeDef);
         }
 
-        AtlasEnumDef enumDef = enumDefs.getTypeDefByGuid(guid);
+        if (typeDef == null) {
+            // ignore
+        } else if (typeDef.getClass().equals(AtlasEnumDef.class)) {
+            AtlasEnumDef enumDef = (AtlasEnumDef)typeDef;
 
-        if (enumDef != null) {
-            enumDefs.removeTypeDefByGuid(guid);
+            enumDefs.addType(enumDef, new AtlasEnumType(enumDef));
+        } else if (typeDef.getClass().equals(AtlasStructDef.class)) {
+            AtlasStructDef structDef = (AtlasStructDef)typeDef;
+
+            structDefs.addType(structDef, new AtlasStructType(structDef));
+        } else if (typeDef.getClass().equals(AtlasClassificationDef.class)) {
+            AtlasClassificationDef classificationDef = (AtlasClassificationDef)typeDef;
+
+            classificationDefs.addType(classificationDef, new AtlasClassificationType(classificationDef));
+        } else if (typeDef.getClass().equals(AtlasEntityDef.class)) {
+            AtlasEntityDef entityDef = (AtlasEntityDef)typeDef;
+
+            entityDefs.addType(entityDef, new AtlasEntityType(entityDef));
         }
 
         if (LOG.isDebugEnabled()) {
-            LOG.debug("<== AtlasTypeRegistry.removeEnumDefByGuid({})", guid);
+            LOG.debug("<== AtlasTypeRegistry.addTypeWithNoRefResolve({})", typeDef);
         }
     }
 
-    public void removeEnumDefByName(String name) {
+    public void updateType(AtlasBaseTypeDef typeDef) throws AtlasBaseException {
         if (LOG.isDebugEnabled()) {
-            LOG.debug("==> AtlasTypeRegistry.removeEnumDefByName({})", name);
+            LOG.debug("==> AtlasTypeRegistry.updateType({})", typeDef);
         }
 
-        AtlasEnumDef enumDef = enumDefs.getTypeDefByName(name);
-
-        if (enumDef != null) {
-            enumDefs.removeTypeDefByName(name);
+        if (typeDef == null) {
+            // ignore
+        } else if (StringUtils.isNotBlank(typeDef.getGuid())) {
+            updateTypeByGuid(typeDef.getGuid(), typeDef);
+        } else if (StringUtils.isNotBlank(typeDef.getName())) {
+            updateTypeByName(typeDef.getName(), typeDef);
         }
 
         if (LOG.isDebugEnabled()) {
-            LOG.debug("<== AtlasTypeRegistry.removeEnumDefByName({})", name);
+            LOG.debug("<== AtlasTypeRegistry.updateType({})", typeDef);
         }
     }
 
-
-    public void addStructDefWithNoRefResolve(AtlasStructDef structDef) {
+    public void updateTypeWithNoRefResolve(AtlasBaseTypeDef typeDef) {
         if (LOG.isDebugEnabled()) {
-            LOG.debug("==> AtlasTypeRegistry.addStructDefWithNoRefResolve({})", structDef);
+            LOG.debug("==> AtlasTypeRegistry.updateType({})", typeDef);
         }
 
-        structDefs.addType(structDef, new AtlasStructType(structDef));
+        if (typeDef == null) {
+            // ignore
+        } else if (StringUtils.isNotBlank(typeDef.getGuid())) {
+            updateTypeByGuidWithNoRefResolve(typeDef.getGuid(), typeDef);
+        } else if (StringUtils.isNotBlank(typeDef.getName())) {
+            updateTypeByNameWithNoRefResolve(typeDef.getName(), typeDef);
+        }
 
         if (LOG.isDebugEnabled()) {
-            LOG.debug("<== AtlasTypeRegistry.addStructDefWithNoRefResolve({})", structDef);
+            LOG.debug("<== AtlasTypeRegistry.updateType({})", typeDef);
         }
     }
 
-    public void addStructDef(AtlasStructDef structDef) throws AtlasBaseException {
+    public void updateTypeByGuid(String guid, AtlasBaseTypeDef typeDef) throws AtlasBaseException {
         if (LOG.isDebugEnabled()) {
-            LOG.debug("==> AtlasTypeRegistry.addStructDef({})", structDef);
+            LOG.debug("==> AtlasTypeRegistry.updateTypeByGuid({})", guid);
         }
 
-        structDefs.addType(structDef, new AtlasStructType(structDef, this));
+        if (guid == null || typeDef == null) {
+            // ignore
+        } else if (typeDef.getClass().equals(AtlasEnumDef.class)) {
+            AtlasEnumDef enumDef = (AtlasEnumDef)typeDef;
+
+            enumDefs.removeTypeDefByGuid(guid);
+            enumDefs.addType(enumDef, new AtlasEnumType(enumDef));
+        } else if (typeDef.getClass().equals(AtlasStructDef.class)) {
+            AtlasStructDef structDef = (AtlasStructDef)typeDef;
+
+            structDefs.removeTypeDefByGuid(guid);
+            structDefs.addType(structDef, new AtlasStructType(structDef, this));
+        } else if (typeDef.getClass().equals(AtlasClassificationDef.class)) {
+            AtlasClassificationDef classificationDef = (AtlasClassificationDef)typeDef;
+
+            classificationDefs.removeTypeDefByGuid(guid);
+            classificationDefs.addType(classificationDef, new AtlasClassificationType(classificationDef, this));
+        } else if (typeDef.getClass().equals(AtlasEntityDef.class)) {
+            AtlasEntityDef entityDef = (AtlasEntityDef)typeDef;
+
+            entityDefs.removeTypeDefByGuid(guid);
+            entityDefs.addType(entityDef, new AtlasEntityType(entityDef, this));
+        }
 
         if (LOG.isDebugEnabled()) {
-            LOG.debug("<== AtlasTypeRegistry.addStructDef({})", structDef);
+            LOG.debug("<== AtlasTypeRegistry.updateTypeByGuid({})", guid);
         }
     }
 
-    public Collection<AtlasStructDef> getAllStructDefs() { return structDefs.getAll(); }
+    public void updateTypeByName(String name, AtlasBaseTypeDef typeDef) throws AtlasBaseException {
+        if (LOG.isDebugEnabled()) {
+            LOG.debug("==> AtlasTypeRegistry.updateEnumDefByName({})", name);
+        }
 
-    public AtlasStructDef getStructDefByGuid(String guid) {
-        return structDefs.getTypeDefByGuid(guid);
-    }
+        if (name == null || typeDef == null) {
+            // ignore
+        } else if (typeDef.getClass().equals(AtlasEnumDef.class)) {
+            AtlasEnumDef enumDef = (AtlasEnumDef)typeDef;
 
-    public AtlasStructDef getStructDefByName(String name) { return structDefs.getTypeDefByName(name); }
+            enumDefs.removeTypeDefByName(name);
+            enumDefs.addType(enumDef, new AtlasEnumType(enumDef));
+        } else if (typeDef.getClass().equals(AtlasStructDef.class)) {
+            AtlasStructDef structDef = (AtlasStructDef)typeDef;
 
-    public void removeStructDefByGuid(String guid) {
-        if (LOG.isDebugEnabled()) {
-            LOG.debug("==> AtlasTypeRegistry.removeStructDefByGuid({})", guid);
-        }
+            structDefs.removeTypeDefByName(name);
+            structDefs.addType(structDef, new AtlasStructType(structDef, this));
+        } else if (typeDef.getClass().equals(AtlasClassificationDef.class)) {
+            AtlasClassificationDef classificationDef = (AtlasClassificationDef)typeDef;
 
-        AtlasStructDef structDef = structDefs.getTypeDefByGuid(guid);
+            classificationDefs.removeTypeDefByName(name);
+            classificationDefs.addType(classificationDef, new AtlasClassificationType(classificationDef, this));
+        } else if (typeDef.getClass().equals(AtlasEntityDef.class)) {
+            AtlasEntityDef entityDef = (AtlasEntityDef)typeDef;
 
-        if (structDef != null) {
-            structDefs.removeTypeDefByGuid(guid);
+            entityDefs.removeTypeDefByName(name);
+            entityDefs.addType(entityDef, new AtlasEntityType(entityDef, this));
         }
 
         if (LOG.isDebugEnabled()) {
-            LOG.debug("<== AtlasTypeRegistry.removeStructDefByGuid({})", guid);
+            LOG.debug("<== AtlasTypeRegistry.updateEnumDefByName({})", name);
         }
     }
 
-    public void removeStructDefByName(String name) {
+    public void updateTypeByGuidWithNoRefResolve(String guid, AtlasBaseTypeDef typeDef) {
         if (LOG.isDebugEnabled()) {
-            LOG.debug("==> AtlasTypeRegistry.removeStructDefByName({})", name);
+            LOG.debug("==> AtlasTypeRegistry.updateTypeByGuidWithNoRefResolve({})", guid);
         }
 
-        AtlasStructDef structDef = structDefs.getTypeDefByName(name);
+        if (guid == null || typeDef == null) {
+            // ignore
+        } else if (typeDef.getClass().equals(AtlasEnumDef.class)) {
+            AtlasEnumDef enumDef = (AtlasEnumDef)typeDef;
 
-        if (structDef != null) {
-            structDefs.removeTypeDefByName(name);
+            enumDefs.removeTypeDefByGuid(guid);
+            enumDefs.addType(enumDef, new AtlasEnumType(enumDef));
+        } else if (typeDef.getClass().equals(AtlasStructDef.class)) {
+            AtlasStructDef structDef = (AtlasStructDef)typeDef;
+
+            structDefs.removeTypeDefByGuid(guid);
+            structDefs.addType(structDef, new AtlasStructType(structDef));
+        } else if (typeDef.getClass().equals(AtlasClassificationDef.class)) {
+            AtlasClassificationDef classificationDef = (AtlasClassificationDef)typeDef;
+
+            classificationDefs.removeTypeDefByGuid(guid);
+            classificationDefs.addType(classificationDef, new AtlasClassificationType(classificationDef));
+        } else if (typeDef.getClass().equals(AtlasEntityDef.class)) {
+            AtlasEntityDef entityDef = (AtlasEntityDef)typeDef;
+
+            entityDefs.removeTypeDefByGuid(guid);
+            entityDefs.addType(entityDef, new AtlasEntityType(entityDef));
         }
 
         if (LOG.isDebugEnabled()) {
-            LOG.debug("<== AtlasTypeRegistry.removeStructDefByName({})", name);
+            LOG.debug("<== AtlasTypeRegistry.updateTypeByGuidWithNoRefResolve({})", guid);
         }
     }
 
-
-    public void addClassificationDefWithNoRefResolve(AtlasClassificationDef classificationDef) {
+    public void updateTypeByNameWithNoRefResolve(String name, AtlasBaseTypeDef typeDef) {
         if (LOG.isDebugEnabled()) {
-            LOG.debug("==> AtlasTypeRegistry.addClassificationDefWithNoRefResolve({})", classificationDef);
+            LOG.debug("==> AtlasTypeRegistry.updateTypeByNameWithNoRefResolve({})", name);
         }
 
-        classificationDefs.addType(classificationDef, new AtlasClassificationType(classificationDef));
+        if (name == null || typeDef == null) {
+            // ignore
+        } else if (typeDef.getClass().equals(AtlasEnumDef.class)) {
+            AtlasEnumDef enumDef = (AtlasEnumDef)typeDef;
+
+            enumDefs.removeTypeDefByName(name);
+            enumDefs.addType(enumDef, new AtlasEnumType(enumDef));
+        } else if (typeDef.getClass().equals(AtlasStructDef.class)) {
+            AtlasStructDef structDef = (AtlasStructDef)typeDef;
+
+            structDefs.removeTypeDefByName(name);
+            structDefs.addType(structDef, new AtlasStructType(structDef));
+        } else if (typeDef.getClass().equals(AtlasClassificationDef.class)) {
+            AtlasClassificationDef classificationDef = (AtlasClassificationDef)typeDef;
+
+            classificationDefs.removeTypeDefByName(name);
+            classificationDefs.addType(classificationDef, new AtlasClassificationType(classificationDef));
+        } else if (typeDef.getClass().equals(AtlasEntityDef.class)) {
+            AtlasEntityDef entityDef = (AtlasEntityDef)typeDef;
+
+            entityDefs.removeTypeDefByName(name);
+            entityDefs.addType(entityDef, new AtlasEntityType(entityDef));
+        }
 
         if (LOG.isDebugEnabled()) {
-            LOG.debug("<== AtlasTypeRegistry.addClassificationDefWithNoRefResolve({})", classificationDef);
+            LOG.debug("<== AtlasTypeRegistry.updateTypeByNameWithNoRefResolve({})", name);
         }
     }
 
-    public void addClassificationDef(AtlasClassificationDef classificationDef)
-        throws AtlasBaseException {
+    public void removeTypeByGuid(String guid) {
         if (LOG.isDebugEnabled()) {
-            LOG.debug("==> AtlasTypeRegistry.addClassificationDef({})", classificationDef);
+            LOG.debug("==> AtlasTypeRegistry.removeTypeByGuid({})", guid);
         }
 
-        classificationDefs.addType(classificationDef, new AtlasClassificationType(classificationDef, this));
+        if (guid != null) {
+            enumDefs.removeTypeDefByGuid(guid);
+            structDefs.removeTypeDefByGuid(guid);
+            classificationDefs.removeTypeDefByGuid(guid);
+            entityDefs.removeTypeDefByGuid(guid);
+        }
 
         if (LOG.isDebugEnabled()) {
-            LOG.debug("<== AtlasTypeRegistry.addClassificationDef({})", classificationDef);
+            LOG.debug("<== AtlasTypeRegistry.removeTypeByGuid({})", guid);
         }
     }
 
-    public Collection<AtlasClassificationDef> getAllClassificationDefs() { return classificationDefs.getAll(); }
+    public void removeTypeByName(String name) {
+        if (LOG.isDebugEnabled()) {
+            LOG.debug("==> AtlasTypeRegistry.removeTypeByName({})", name);
+        }
 
-    public AtlasClassificationDef getClassificationDefByGuid(String guid) {
-        return classificationDefs.getTypeDefByGuid(guid);
-    }
+        if (name != null) {
+            enumDefs.removeTypeDefByName(name);
+            structDefs.removeTypeDefByName(name);
+            classificationDefs.removeTypeDefByName(name);
+            entityDefs.removeTypeDefByName(name);
+        }
 
-    public AtlasClassificationDef getClassificationDefByName(String name) {
-        return classificationDefs.getTypeDefByName(name);
+        if (LOG.isDebugEnabled()) {
+            LOG.debug("<== AtlasTypeRegistry.removeEnumDefByName({})", name);
+        }
     }
 
-    public void removeClassificationDefByGuid(String guid) {
+    public void addTypes(Collection<? extends AtlasBaseTypeDef> typeDefs) throws AtlasBaseException {
         if (LOG.isDebugEnabled()) {
-            LOG.debug("==> AtlasTypeRegistry.removeClassificationDefByGuid({})", guid);
+            LOG.debug("==> AtlasTypeRegistry.addTypes(length={})", (typeDefs == null ? 0 : typeDefs.size()));
         }
 
-        AtlasClassificationDef classificationDef = classificationDefs.getTypeDefByGuid(guid);
-
-        if (classificationDef != null) {
-            classificationDefs.removeTypeDefByGuid(guid);
+        if (CollectionUtils.isNotEmpty(typeDefs)) {
+            for (AtlasBaseTypeDef typeDef : typeDefs) {
+                addType(typeDef);
+            }
         }
 
         if (LOG.isDebugEnabled()) {
-            LOG.debug("<== AtlasTypeRegistry.removeClassificationDefByGuid({})", guid);
+            LOG.debug("<== AtlasTypeRegistry.addTypes(length={})", (typeDefs == null ? 0 : typeDefs.size()));
         }
     }
 
-    public void removeClassificationDefByName(String name) {
+    public void addTypesWithNoRefResolve(Collection<? extends AtlasBaseTypeDef> typeDefs) {
         if (LOG.isDebugEnabled()) {
-            LOG.debug("==> AtlasTypeRegistry.removeClassificationDefByName({})", name);
+            LOG.debug("==> AtlasTypeRegistry.addTypes(length={})", (typeDefs == null ? 0 : typeDefs.size()));
         }
 
-        AtlasClassificationDef classificationDef = classificationDefs.getTypeDefByName(name);
-
-        if (classificationDef != null) {
-            classificationDefs.removeTypeDefByName(name);
+        if (CollectionUtils.isNotEmpty(typeDefs)) {
+            for (AtlasBaseTypeDef typeDef : typeDefs) {
+                addTypeWithNoRefResolve(typeDef);
+            }
         }
 
         if (LOG.isDebugEnabled()) {
-            LOG.debug("<== AtlasTypeRegistry.removeClassificationDefByName({})", name);
+            LOG.debug("<== AtlasTypeRegistry.addTypes(length={})", (typeDefs == null ? 0 : typeDefs.size()));
         }
     }
 
-
-    public void addEntityDefWithNoRefResolve(AtlasEntityDef entityDef) {
+    public void updateTypes(Collection<? extends AtlasBaseTypeDef> typeDefs) throws AtlasBaseException {
         if (LOG.isDebugEnabled()) {
-            LOG.debug("==> AtlasTypeRegistry.addEntityDefWithNoRefResolve({})", entityDef);
+            LOG.debug("==> AtlasTypeRegistry.updateTypes(length={})", (typeDefs == null ? 0 : typeDefs.size()));
         }
 
-        entityDefs.addType(entityDef, new AtlasEntityType(entityDef));
+        if (CollectionUtils.isNotEmpty(typeDefs)) {
+            for (AtlasBaseTypeDef typeDef : typeDefs) {
+                updateType(typeDef);
+            }
+        }
 
         if (LOG.isDebugEnabled()) {
-            LOG.debug("<== AtlasTypeRegistry.addEntityDefWithNoRefResolve({})", entityDef);
+            LOG.debug("<== AtlasTypeRegistry.updateTypes(length={})", (typeDefs == null ? 0 : typeDefs.size()));
         }
     }
 
-    public void addEntityDef(AtlasEntityDef entityDef) throws AtlasBaseException {
+    public void updateTypesWithNoRefResolve(Collection<? extends AtlasBaseTypeDef> typeDefs) {
         if (LOG.isDebugEnabled()) {
-            LOG.debug("==> AtlasTypeRegistry.addEntityDef({})", entityDef);
+            LOG.debug("==> AtlasTypeRegistry.updateTypesWithNoRefResolve(length={})", (typeDefs == null ? 0 : typeDefs.size()));
         }
 
-        entityDefs.addType(entityDef, new AtlasEntityType(entityDef, this));
+        if (CollectionUtils.isNotEmpty(typeDefs)) {
+            for (AtlasBaseTypeDef typeDef : typeDefs) {
+                updateTypeWithNoRefResolve(typeDef);
+            }
+        }
 
         if (LOG.isDebugEnabled()) {
-            LOG.debug("<== AtlasTypeRegistry.addEntityDef({})", entityDef);
+            LOG.debug("<== AtlasTypeRegistry.updateTypesWithNoRefResolve(length={})", (typeDefs == null ? 0 : typeDefs.size()));
         }
     }
 
-    public Collection<AtlasEntityDef> getAllEntityDefs() { return entityDefs.getAll(); }
 
-    public AtlasEntityDef getEntityDefByGuid(String guid) {
-        return entityDefs.getTypeDefByGuid(guid);
+    public Collection<AtlasEnumDef> getAllEnumDefs() { return enumDefs.getAll(); }
+
+    public AtlasEnumDef getEnumDefByGuid(String guid) {
+        return enumDefs.getTypeDefByGuid(guid);
     }
 
-    public AtlasEntityDef getEntityDefByName(String name) {
-        return entityDefs.getTypeDefByName(name);
+    public AtlasEnumDef getEnumDefByName(String name) {
+        return enumDefs.getTypeDefByName(name);
     }
 
-    public void removeEntityDefByGuid(String guid) {
-        if (LOG.isDebugEnabled()) {
-            LOG.debug("==> AtlasTypeRegistry.removeEntityDefByGuid({})", guid);
-        }
 
-        AtlasEntityDef entityDef = entityDefs.getTypeDefByGuid(guid);
+    public Collection<AtlasStructDef> getAllStructDefs() { return structDefs.getAll(); }
 
-        if (entityDef != null) {
-            entityDefs.removeTypeDefByGuid(guid);
-        }
+    public AtlasStructDef getStructDefByGuid(String guid) {
+        return structDefs.getTypeDefByGuid(guid);
+    }
 
-        if (LOG.isDebugEnabled()) {
-            LOG.debug("<== AtlasTypeRegistry.removeEntityDefByGuid({})", guid);
-        }
+    public AtlasStructDef getStructDefByName(String name) { return structDefs.getTypeDefByName(name); }
+
+
+    public Collection<AtlasClassificationDef> getAllClassificationDefs() { return classificationDefs.getAll(); }
+
+    public AtlasClassificationDef getClassificationDefByGuid(String guid) {
+        return classificationDefs.getTypeDefByGuid(guid);
     }
 
-    public void removeEntityDefByName(String name) {
-        if (LOG.isDebugEnabled()) {
-            LOG.debug("==> AtlasTypeRegistry.removeEntityDefByName({})", name);
-        }
+    public AtlasClassificationDef getClassificationDefByName(String name) {
+        return classificationDefs.getTypeDefByName(name);
+    }
 
-        AtlasEntityDef entityDef = entityDefs.getTypeDefByName(name);
 
-        if (entityDef != null) {
-            entityDefs.removeTypeDefByName(name);
-        }
+    public Collection<AtlasEntityDef> getAllEntityDefs() { return entityDefs.getAll(); }
 
-        if (LOG.isDebugEnabled()) {
-            LOG.debug("<== AtlasTypeRegistry.removeEntityDefByName({})", name);
+    public AtlasEntityDef getEntityDefByGuid(String guid) {
+        return entityDefs.getTypeDefByGuid(guid);
+    }
+
+    public AtlasEntityDef getEntityDefByName(String name) {
+        return entityDefs.getTypeDefByName(name);
+    }
+
+
+    public void resolveReferences() throws AtlasBaseException {
+        for (Map.Entry<String, AtlasType> e : allTypes.entrySet()) {
+            e.getValue().resolveReferences(this);
         }
     }
 
+
     private void registerType(AtlasType dataType) {
         allTypes.put(dataType.getTypeName(), dataType);
     }
@@ -378,6 +503,7 @@ public class AtlasTypeRegistry {
         allTypes.remove(typeName);
     }
 
+
     class TypeDefCache<T extends AtlasBaseTypeDef> {
         private final AtlasTypeRegistry typeRegistry;
         private final Map<String, T>    typeDefGuidMap = new ConcurrentHashMap<String, T>();
@@ -418,24 +544,25 @@ public class AtlasTypeRegistry {
         }
 
         public void removeTypeDefByGuid(String guid) {
-            T typeDef = guid != null ? typeDefGuidMap.remove(guid) : null;
+            T      typeDef = guid != null ? typeDefGuidMap.remove(guid) : null;
+            String name    = typeDef != null ? typeDef.getName() : null;
 
-            if (typeDef != null) {
-                if (StringUtils.isNotEmpty(typeDef.getName())) {
-                    typeDefNameMap.remove(typeDef.getName());
-                    typeRegistry.unregisterTypeByName(typeDef.getName());
-                }
+            if (name != null) {
+                typeDefNameMap.remove(name);
+                typeRegistry.unregisterTypeByName(name);
             }
         }
 
         public void removeTypeDefByName(String name) {
-            T typeDef = name != null ? typeDefNameMap.get(name) : null;
+            T      typeDef = name != null ? typeDefNameMap.get(name) : null;
+            String guid    = typeDef != null ? typeDef.getGuid() : null;
 
-            if (typeDef != null) {
-                if (StringUtils.isNotEmpty(typeDef.getGuid())) {
-                    typeDefGuidMap.remove(typeDef.getGuid());
-                    typeRegistry.unregisterTypeByName(typeDef.getName());
-                }
+            if (guid != null) {
+                typeDefGuidMap.remove(guid);
+            }
+
+            if (name != null) {
+                typeRegistry.unregisterTypeByName(name);
             }
         }
     }

http://git-wip-us.apache.org/repos/asf/incubator-atlas/blob/e5fe91a4/intg/src/test/java/org/apache/atlas/model/ModelTestUtil.java
----------------------------------------------------------------------
diff --git a/intg/src/test/java/org/apache/atlas/model/ModelTestUtil.java b/intg/src/test/java/org/apache/atlas/model/ModelTestUtil.java
index fcd22f8..e2db68e 100644
--- a/intg/src/test/java/org/apache/atlas/model/ModelTestUtil.java
+++ b/intg/src/test/java/org/apache/atlas/model/ModelTestUtil.java
@@ -157,7 +157,13 @@ public final class  ModelTestUtil {
             ret.setDefaultValue(ret.getElementDefs().get(idxDefault).getValue());
         }
 
-        typesRegistry.addEnumDef(ret);
+        try {
+            typesRegistry.addType(ret);
+        } catch (AtlasBaseException excp) {
+            LOG.error("failed to create enum-def", excp);
+
+            ret = null;
+        }
 
         return ret;
     }
@@ -176,7 +182,7 @@ public final class  ModelTestUtil {
         ret.setAttributeDefs(newAttributeDefsWithAllBuiltInTypes(PREFIX_ATTRIBUTE_NAME));
 
         try {
-            typesRegistry.addStructDef(ret);
+            typesRegistry.addType(ret);
         } catch (AtlasBaseException excp) {
             LOG.error("failed to create struct-def", excp);
 
@@ -214,7 +220,7 @@ public final class  ModelTestUtil {
         }
 
         try {
-            typesRegistry.addEntityDef(ret);
+            typesRegistry.addType(ret);
         } catch (AtlasBaseException excp) {
             LOG.error("failed to create entity-def", excp);
 
@@ -261,7 +267,7 @@ public final class  ModelTestUtil {
         }
 
         try {
-            typesRegistry.addClassificationDef(ret);
+            typesRegistry.addType(ret);
         } catch (AtlasBaseException excp) {
             LOG.error("failed to create classification-def", excp);
 

http://git-wip-us.apache.org/repos/asf/incubator-atlas/blob/e5fe91a4/intg/src/test/java/org/apache/atlas/type/TestAtlasEntityType.java
----------------------------------------------------------------------
diff --git a/intg/src/test/java/org/apache/atlas/type/TestAtlasEntityType.java b/intg/src/test/java/org/apache/atlas/type/TestAtlasEntityType.java
index 8139fd4..5b38e3c 100644
--- a/intg/src/test/java/org/apache/atlas/type/TestAtlasEntityType.java
+++ b/intg/src/test/java/org/apache/atlas/type/TestAtlasEntityType.java
@@ -35,7 +35,7 @@ public class TestAtlasEntityType {
     private final List<Object>    invalidValues = new ArrayList<Object>();
 
     {
-        entityType = getEntityType(ModelTestUtil.getEntityDefWithSuperTypes());
+        entityType  = getEntityType(ModelTestUtil.getEntityDefWithSuperTypes());
 
         AtlasEntity         invalidValue1 = entityType.createDefaultValue();
         AtlasEntity         invalidValue2 = entityType.createDefaultValue();

http://git-wip-us.apache.org/repos/asf/incubator-atlas/blob/e5fe91a4/release-log.txt
----------------------------------------------------------------------
diff --git a/release-log.txt b/release-log.txt
index 1fb73e4..47b0d4d 100644
--- a/release-log.txt
+++ b/release-log.txt
@@ -9,6 +9,7 @@ ATLAS-1060 Add composite indexes for exact match performance improvements for al
 ATLAS-1127 Modify creation and modification timestamps to Date instead of Long(sumasai)
 
 ALL CHANGES:
+ATLAS-1225 Optimize AtlasTypeDefGraphStore to use typeRegistry (mneethiraj via sumasai)
 ATLAS-1221 build failure in windows SyntaxError: invalid syntax (zhangqiang2 via shwethags)
 ATLAS-1226 Servlet init-params in web.xml are unused (mneethiraj via shwethags)
 ATLAS-1224 Minor fixes for hive and falcon bridge twiki (ayubkhan via sumasai) 

http://git-wip-us.apache.org/repos/asf/incubator-atlas/blob/e5fe91a4/repository/src/main/java/org/apache/atlas/repository/store/graph/AtlasTypeDefGraphStore.java
----------------------------------------------------------------------
diff --git a/repository/src/main/java/org/apache/atlas/repository/store/graph/AtlasTypeDefGraphStore.java b/repository/src/main/java/org/apache/atlas/repository/store/graph/AtlasTypeDefGraphStore.java
index 9c0e569..14cc7c4 100644
--- a/repository/src/main/java/org/apache/atlas/repository/store/graph/AtlasTypeDefGraphStore.java
+++ b/repository/src/main/java/org/apache/atlas/repository/store/graph/AtlasTypeDefGraphStore.java
@@ -32,12 +32,15 @@ import org.apache.atlas.model.typedef.AtlasStructDef.AtlasStructDefs;
 import org.apache.atlas.model.typedef.AtlasTypesDef;
 import org.apache.atlas.repository.util.FilterUtil;
 import org.apache.atlas.store.AtlasTypeDefStore;
+import org.apache.atlas.type.AtlasTypeRegistry;
 import org.apache.atlas.util.TypeDefSorter;
 import org.apache.commons.collections.CollectionUtils;
 import org.apache.commons.collections.Predicate;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.util.ArrayList;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
 
@@ -49,14 +52,39 @@ public abstract class AtlasTypeDefGraphStore implements AtlasTypeDefStore {
 
     private static final Logger LOG = LoggerFactory.getLogger(AtlasTypeDefGraphStore.class);
 
-    protected AtlasEnumDefStore           enumDefStore;
-    protected AtlasStructDefStore         structDefStore;
-    protected AtlasClassificationDefStore classificationDefStore;
-    protected AtlasEntityDefStore         entityDefStore;
+    private AtlasTypeRegistry           typeRegistry;
+    private AtlasEnumDefStore           enumDefStore;
+    private AtlasStructDefStore         structDefStore;
+    private AtlasClassificationDefStore classificationDefStore;
+    private AtlasEntityDefStore         entityDefStore;
 
     protected AtlasTypeDefGraphStore() {
     }
 
+    protected void init(AtlasEnumDefStore           enumDefStore,
+                        AtlasStructDefStore         structDefStore,
+                        AtlasClassificationDefStore classificationDefStore,
+                        AtlasEntityDefStore         entityDefStore) throws AtlasBaseException {
+        AtlasTypeRegistry typeRegistry = new AtlasTypeRegistry();
+
+        typeRegistry.addTypesWithNoRefResolve(enumDefStore.getAll());
+        typeRegistry.addTypesWithNoRefResolve(structDefStore.getAll());
+        typeRegistry.addTypesWithNoRefResolve(classificationDefStore.getAll());
+        typeRegistry.addTypesWithNoRefResolve(entityDefStore.getAll());
+
+        typeRegistry.resolveReferences();
+
+        this.enumDefStore           = enumDefStore;
+        this.structDefStore         = structDefStore;
+        this.classificationDefStore = classificationDefStore;
+        this.entityDefStore         = entityDefStore;
+        this.typeRegistry           = typeRegistry;
+    }
+
+    public AtlasTypeRegistry getTypeRegistry() {
+        return typeRegistry;
+    }
+
     @Override
     public void init() throws AtlasBaseException {
 
@@ -65,55 +93,87 @@ public abstract class AtlasTypeDefGraphStore implements AtlasTypeDefStore {
     @Override
     @GraphTransaction
     public AtlasEnumDef createEnumDef(AtlasEnumDef enumDef) throws AtlasBaseException {
-        return enumDefStore.create(enumDef);
+        AtlasEnumDef ret = enumDefStore.create(enumDef);
+
+        typeRegistry.addType(ret);
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
     public List<AtlasEnumDef> createEnumDefs(List<AtlasEnumDef> atlasEnumDefs) throws AtlasBaseException {
-        return enumDefStore.create(atlasEnumDefs);
+        List<AtlasEnumDef> ret = enumDefStore.create(atlasEnumDefs);
+
+        typeRegistry.addTypes(ret);
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
     public List<AtlasEnumDef> getAllEnumDefs() throws AtlasBaseException {
-        return enumDefStore.getAll();
+        List<AtlasEnumDef> ret = null;
+
+        Collection<AtlasEnumDef> enumDefs = typeRegistry.getAllEnumDefs();
+
+        if (enumDefs != null) {
+            ret = new ArrayList<>(enumDefs);
+        }
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
     public AtlasEnumDef getEnumDefByName(String name) throws AtlasBaseException {
-        return enumDefStore.getByName(name);
+        AtlasEnumDef ret = typeRegistry.getEnumDefByName(name);
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
     public AtlasEnumDef getEnumDefByGuid(String guid) throws AtlasBaseException {
-        return enumDefStore.getByGuid(guid);
+        AtlasEnumDef ret = typeRegistry.getEnumDefByGuid(guid);
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
     public AtlasEnumDef updateEnumDefByName(String name, AtlasEnumDef enumDef) throws AtlasBaseException {
-        return enumDefStore.updateByName(name, enumDef);
+        AtlasEnumDef ret = enumDefStore.updateByName(name, enumDef);
+
+        typeRegistry.updateTypeByName(name, ret);
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
     public AtlasEnumDef updateEnumDefByGuid(String guid, AtlasEnumDef enumDef) throws AtlasBaseException {
-        return enumDefStore.updateByGuid(guid, enumDef);
+        AtlasEnumDef ret = enumDefStore.updateByGuid(guid, enumDef);
+
+        typeRegistry.updateTypeByGuid(guid, ret);
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
     public void deleteEnumDefByName(String name) throws AtlasBaseException {
         enumDefStore.deleteByName(name);
+
+        typeRegistry.removeTypeByName(name);
     }
 
     @Override
     @GraphTransaction
     public void deleteEnumDefByGuid(String guid) throws AtlasBaseException {
         enumDefStore.deleteByGuid(guid);
+
+        typeRegistry.removeTypeByGuid(guid);
     }
 
     @Override
@@ -125,55 +185,87 @@ public abstract class AtlasTypeDefGraphStore implements AtlasTypeDefStore {
     @Override
     @GraphTransaction
     public AtlasStructDef createStructDef(AtlasStructDef structDef) throws AtlasBaseException {
-        return structDefStore.create(structDef);
+        AtlasStructDef ret = structDefStore.create(structDef);
+
+        typeRegistry.addType(structDef);
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
     public List<AtlasStructDef> createStructDefs(List<AtlasStructDef> structDefs) throws AtlasBaseException {
-        return structDefStore.create(structDefs);
+        List<AtlasStructDef> ret = structDefStore.create(structDefs);
+
+        typeRegistry.addTypes(ret);
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
     public List<AtlasStructDef> getAllStructDefs() throws AtlasBaseException {
-        return structDefStore.getAll();
+        List<AtlasStructDef> ret = null;
+
+        Collection<AtlasStructDef> structDefs = typeRegistry.getAllStructDefs();
+
+        if (structDefs != null) {
+            ret = new ArrayList<>(structDefs);
+        }
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
     public AtlasStructDef getStructDefByName(String name) throws AtlasBaseException {
-        return structDefStore.getByName(name);
+        AtlasStructDef ret = typeRegistry.getStructDefByName(name);
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
     public AtlasStructDef getStructDefByGuid(String guid) throws AtlasBaseException {
-        return structDefStore.getByGuid(guid);
+        AtlasStructDef ret = typeRegistry.getStructDefByGuid(guid);
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
     public AtlasStructDef updateStructDefByName(String name, AtlasStructDef structDef) throws AtlasBaseException {
-        return structDefStore.updateByName(name, structDef);
+        AtlasStructDef ret = structDefStore.updateByName(name, structDef);
+
+        typeRegistry.updateTypeByName(name, ret);
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
     public AtlasStructDef updateStructDefByGuid(String guid, AtlasStructDef structDef) throws AtlasBaseException {
-        return structDefStore.updateByGuid(guid, structDef);
+        AtlasStructDef ret = structDefStore.updateByGuid(guid, structDef);
+
+        typeRegistry.updateTypeByGuid(guid, ret);
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
     public void deleteStructDefByName(String name) throws AtlasBaseException {
         structDefStore.deleteByName(name);
+
+        typeRegistry.removeTypeByName(name);
     }
 
     @Override
     @GraphTransaction
     public void deleteStructDefByGuid(String guid) throws AtlasBaseException {
         structDefStore.deleteByGuid(guid);
+
+        typeRegistry.removeTypeByGuid(guid);
     }
 
     @Override
@@ -184,56 +276,92 @@ public abstract class AtlasTypeDefGraphStore implements AtlasTypeDefStore {
 
     @Override
     @GraphTransaction
-    public AtlasClassificationDef createClassificationDef(AtlasClassificationDef classificationDef) throws AtlasBaseException {
-        return classificationDefStore.create(classificationDef);
+    public AtlasClassificationDef createClassificationDef(AtlasClassificationDef classificationDef)
+        throws AtlasBaseException {
+        AtlasClassificationDef ret = classificationDefStore.create(classificationDef);
+
+        typeRegistry.addType(classificationDef);
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
-    public List<AtlasClassificationDef> createClassificationDefs(List<AtlasClassificationDef> classificationDefs) throws AtlasBaseException {
-        return classificationDefStore.create(classificationDefs);
+    public List<AtlasClassificationDef> createClassificationDefs(List<AtlasClassificationDef> classificationDefs)
+        throws AtlasBaseException {
+        List<AtlasClassificationDef> ret = classificationDefStore.create(classificationDefs);
+
+        typeRegistry.addTypes(ret);
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
     public List<AtlasClassificationDef> getAllClassificationDefs() throws AtlasBaseException {
-        return classificationDefStore.getAll();
+        List<AtlasClassificationDef> ret = null;
+
+        Collection<AtlasClassificationDef> classificationDefs = typeRegistry.getAllClassificationDefs();
+
+        if (classificationDefs != null) {
+            ret = new ArrayList<>(classificationDefs);
+        }
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
     public AtlasClassificationDef getClassificationDefByName(String name) throws AtlasBaseException {
-        return classificationDefStore.getByName(name);
+        AtlasClassificationDef ret = typeRegistry.getClassificationDefByName(name);
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
     public AtlasClassificationDef getClassificationDefByGuid(String guid) throws AtlasBaseException {
-        return classificationDefStore.getByGuid(guid);
+        AtlasClassificationDef ret = typeRegistry.getClassificationDefByGuid(guid);
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
-    public AtlasClassificationDef updateClassificationDefByName(String name, AtlasClassificationDef classificationDef) throws AtlasBaseException {
-        return classificationDefStore.updateByName(name, classificationDef);
+    public AtlasClassificationDef updateClassificationDefByName(String name, AtlasClassificationDef classificationDef)
+        throws AtlasBaseException {
+        AtlasClassificationDef ret = classificationDefStore.updateByName(name, classificationDef);
+
+        typeRegistry.updateTypeByName(name, ret);
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
-    public AtlasClassificationDef updateClassificationDefByGuid(String guid, AtlasClassificationDef classificationDef) throws AtlasBaseException {
-        return classificationDefStore.updateByGuid(guid, classificationDef);
+    public AtlasClassificationDef updateClassificationDefByGuid(String guid, AtlasClassificationDef classificationDef)
+        throws AtlasBaseException {
+        AtlasClassificationDef ret = classificationDefStore.updateByGuid(guid, classificationDef);
+
+        typeRegistry.updateTypeByGuid(guid, ret);
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
     public void deleteClassificationDefByName(String name) throws AtlasBaseException {
         classificationDefStore.deleteByName(name);
+
+        typeRegistry.removeTypeByName(name);
     }
 
     @Override
     @GraphTransaction
     public void deleteClassificationDefByGuid(String guid) throws AtlasBaseException {
         classificationDefStore.deleteByGuid(guid);
+
+        typeRegistry.removeTypeByGuid(guid);
     }
 
     @Override
@@ -244,56 +372,88 @@ public abstract class AtlasTypeDefGraphStore implements AtlasTypeDefStore {
 
     @Override
     @GraphTransaction
-    public AtlasEntityDef createEntityDefs(AtlasEntityDef entityDef) throws AtlasBaseException {
-        return entityDefStore.create(entityDef);
+    public AtlasEntityDef createEntityDef(AtlasEntityDef entityDef) throws AtlasBaseException {
+        AtlasEntityDef ret = entityDefStore.create(entityDef);
+
+        typeRegistry.addType(ret);
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
     public List<AtlasEntityDef> createEntityDefs(List<AtlasEntityDef> entityDefs) throws AtlasBaseException {
-        return entityDefStore.create(entityDefs);
+        List<AtlasEntityDef> ret = entityDefStore.create(entityDefs);
+
+        typeRegistry.addTypes(ret);
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
     public List<AtlasEntityDef> getAllEntityDefs() throws AtlasBaseException {
-        return entityDefStore.getAll();
+        List<AtlasEntityDef> ret = null;
+
+        Collection<AtlasEntityDef> entityDefs = typeRegistry.getAllEntityDefs();
+
+        if (entityDefs != null) {
+            ret = new ArrayList<>(entityDefs);
+        }
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
     public AtlasEntityDef getEntityDefByName(String name) throws AtlasBaseException {
-        return entityDefStore.getByName(name);
+        AtlasEntityDef ret = typeRegistry.getEntityDefByName(name);
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
     public AtlasEntityDef getEntityDefByGuid(String guid) throws AtlasBaseException {
-        return entityDefStore.getByGuid(guid);
+        AtlasEntityDef ret = typeRegistry.getEntityDefByGuid(guid);
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
     public AtlasEntityDef updateEntityDefByName(String name, AtlasEntityDef entityDef) throws AtlasBaseException {
-        return entityDefStore.updateByName(name, entityDef);
+        AtlasEntityDef ret = entityDefStore.updateByName(name, entityDef);
+
+        typeRegistry.updateTypeByName(name, ret);
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
     public AtlasEntityDef updateEntityDefByGuid(String guid, AtlasEntityDef entityDef) throws AtlasBaseException {
-        return entityDefStore.updateByGuid(guid, entityDef);
+        AtlasEntityDef ret = entityDefStore.updateByGuid(guid, entityDef);
+
+        typeRegistry.updateTypeByGuid(guid, ret);
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
     public void deleteEntityDefByName(String name) throws AtlasBaseException {
         entityDefStore.deleteByName(name);
+
+        typeRegistry.removeTypeByName(name);
     }
 
     @Override
     @GraphTransaction
     public void deleteEntityDefByGuid(String guid) throws AtlasBaseException {
         entityDefStore.deleteByGuid(guid);
+
+        typeRegistry.removeTypeByGuid(guid);
     }
 
     @Override
@@ -302,110 +462,48 @@ public abstract class AtlasTypeDefGraphStore implements AtlasTypeDefStore {
         return entityDefStore.search(filter);
     }
 
-    private List<? extends AtlasBaseTypeDef> createOrUpdateTypeDefs(List<? extends AtlasBaseTypeDef> typeDefs, boolean isUpdate) {
-        List<AtlasBaseTypeDef> ret = Collections.emptyList();
-
-        if (CollectionUtils.isNotEmpty(typeDefs)) {
-            AtlasBaseTypeDef typeDef = typeDefs.get(0);
-            if (LOG.isDebugEnabled()) {
-                if (isUpdate) {
-                    LOG.debug("Updating {} {}", typeDefs.size(), typeDef.getClass().getSimpleName());
-                } else {
-                    LOG.debug("Creating {} {}", typeDefs.size(), typeDef.getClass().getSimpleName());
-                }
-            }
-
-            if (typeDef instanceof AtlasEntityDef) {
-                List<AtlasEntityDef> entityDefs = TypeDefSorter.sortTypes((List<AtlasEntityDef>) typeDefs);
-                try {
-                    if (isUpdate) {
-                        return entityDefStore.update((List<AtlasEntityDef>) typeDefs);
-                    } else {
-                        return entityDefStore.create((List<AtlasEntityDef>) typeDefs);
-                    }
-                } catch (AtlasBaseException ex) {
-                    LOG.error("Failed to " + (isUpdate ? "update" : "create") + " EntityDefs", ex);
-                }
-            } else if (typeDef instanceof AtlasClassificationDef) {
-                List<AtlasClassificationDef> classificationDefs =
-                        TypeDefSorter.sortTypes((List<AtlasClassificationDef>) typeDefs);
-                try {
-                    if (isUpdate) {
-                        return classificationDefStore.update((List<AtlasClassificationDef>) typeDefs);
-                    } else {
-                        return classificationDefStore.create((List<AtlasClassificationDef>) typeDefs);
-                    }
-                } catch (AtlasBaseException ex) {
-                    LOG.error("Failed to " + (isUpdate ? "update" : "create") + " ClassificationDefs", ex);
-                }
-
-            } else if (typeDef instanceof AtlasStructDef) {
-                try {
-                    if (isUpdate) {
-                        return structDefStore.update((List<AtlasStructDef>) typeDefs);
-                    } else {
-                        return structDefStore.create((List<AtlasStructDef>) typeDefs);
-                    }
-                } catch (AtlasBaseException ex) {
-                    LOG.error("Failed to " + (isUpdate ? "update" : "create") + " StructDefs", ex);
-                }
-            } else if (typeDef instanceof AtlasEnumDef) {
-                try {
-                    if (isUpdate) {
-                        return enumDefStore.update((List<AtlasEnumDef>) typeDefs);
-                    } else {
-                        return enumDefStore.create((List<AtlasEnumDef>) typeDefs);
-                    }
-                } catch (AtlasBaseException ex) {
-                    LOG.error("Failed to " + (isUpdate ? "update" : "create") + " EnumDefs", ex);
-                }
-            }
-        }
-        return ret;
-    }
-
     @Override
     @GraphTransaction
     public AtlasTypesDef createTypesDef(AtlasTypesDef typesDef) throws AtlasBaseException {
-        AtlasTypesDef createdTypeDefs = new AtlasTypesDef();
-
         LOG.info("Creating EnumDefs");
-        List<? extends AtlasBaseTypeDef> createdEnumDefs = createOrUpdateTypeDefs(typesDef.getEnumDefs(), false);
-        LOG.info("Creating StructDefs");
-        List<? extends AtlasBaseTypeDef> createdStructDefs = createOrUpdateTypeDefs(typesDef.getStructDefs(), false);
-        LOG.info("Creating ClassificationDefs");
-        List<? extends AtlasBaseTypeDef> createdClassificationDefs = createOrUpdateTypeDefs(typesDef.getClassificationDefs(), false);
-        LOG.info("Creating EntityDefs");
-        List<? extends AtlasBaseTypeDef> createdEntityDefs = createOrUpdateTypeDefs(typesDef.getEntityDefs(), false);
-
-        typesDef.setEnumDefs((List<AtlasEnumDef>) createdEnumDefs);
-        typesDef.setStructDefs((List<AtlasStructDef>) createdStructDefs);
-        typesDef.setClassificationDefs((List<AtlasClassificationDef>) createdClassificationDefs);
-        typesDef.setEntityDefs((List<AtlasEntityDef>) createdEntityDefs);
+        List<AtlasEnumDef>           enumDefs     = enumDefStore.create(typesDef.getEnumDefs());
+        List<AtlasStructDef>         structDefs   = structDefStore.create(typesDef.getStructDefs());
+        List<AtlasClassificationDef> classifiDefs = classificationDefStore.create(typesDef.getClassificationDefs());
+        List<AtlasEntityDef>         entityDefs   = entityDefStore.create(typesDef.getEntityDefs());
 
-        return typesDef;
+        // typeRegistry should be updated only after resovleReferences() returns success; until then use a temp registry
+        typeRegistry.addTypes(enumDefs);
+        typeRegistry.addTypes(structDefs);
+        typeRegistry.addTypes(classifiDefs);
+        typeRegistry.addTypes(entityDefs);
+
+        typeRegistry.resolveReferences();
+
+        AtlasTypesDef ret = new AtlasTypesDef(enumDefs, structDefs, classifiDefs, entityDefs);
+
+        return ret;
     }
 
     @Override
     @GraphTransaction
     public AtlasTypesDef updateTypesDef(AtlasTypesDef typesDef) throws AtlasBaseException {
-        AtlasTypesDef createdTypeDefs = new AtlasTypesDef();
-
         LOG.info("Updating EnumDefs");
-        List<? extends AtlasBaseTypeDef> updatedEnumDefs = createOrUpdateTypeDefs(typesDef.getEnumDefs(), true);
-        LOG.info("Updating StructDefs");
-        List<? extends AtlasBaseTypeDef> updatedStructDefs = createOrUpdateTypeDefs(typesDef.getStructDefs(), true);
-        LOG.info("Updating ClassificationDefs");
-        List<? extends AtlasBaseTypeDef> updatedClassficationDefs = createOrUpdateTypeDefs(typesDef.getClassificationDefs(), true);
-        LOG.info("Updating EntityDefs");
-        List<? extends AtlasBaseTypeDef> updatedEntityDefs = createOrUpdateTypeDefs(typesDef.getEntityDefs(), true);
-
-        typesDef.setEnumDefs((List<AtlasEnumDef>) updatedEnumDefs);
-        typesDef.setStructDefs((List<AtlasStructDef>) updatedStructDefs);
-        typesDef.setClassificationDefs((List<AtlasClassificationDef>) updatedClassficationDefs);
-        typesDef.setEntityDefs((List<AtlasEntityDef>) updatedEntityDefs);
+        List<AtlasEnumDef>           enumDefs     = enumDefStore.update(typesDef.getEnumDefs());
+        List<AtlasStructDef>         structDefs   = structDefStore.update(typesDef.getStructDefs());
+        List<AtlasClassificationDef> classifiDefs = classificationDefStore.update(typesDef.getClassificationDefs());
+        List<AtlasEntityDef>         entityDefs   = entityDefStore.update(typesDef.getEntityDefs());
 
-        return typesDef;
+        // typeRegistry should be updated only after resovleReferences() returns success; until then use a temp registry
+        typeRegistry.updateTypes(enumDefs);
+        typeRegistry.updateTypes(structDefs);
+        typeRegistry.updateTypes(classifiDefs);
+        typeRegistry.updateTypes(entityDefs);
+
+        typeRegistry.resolveReferences();
+
+        AtlasTypesDef ret = new AtlasTypesDef(enumDefs, structDefs, classifiDefs, entityDefs);
+
+        return ret;
 
     }
 

http://git-wip-us.apache.org/repos/asf/incubator-atlas/blob/e5fe91a4/repository/src/main/java/org/apache/atlas/repository/store/graph/v1/AtlasClassificationDefStoreV1.java
----------------------------------------------------------------------
diff --git a/repository/src/main/java/org/apache/atlas/repository/store/graph/v1/AtlasClassificationDefStoreV1.java b/repository/src/main/java/org/apache/atlas/repository/store/graph/v1/AtlasClassificationDefStoreV1.java
index 9afccbe..78cbd63 100644
--- a/repository/src/main/java/org/apache/atlas/repository/store/graph/v1/AtlasClassificationDefStoreV1.java
+++ b/repository/src/main/java/org/apache/atlas/repository/store/graph/v1/AtlasClassificationDefStoreV1.java
@@ -31,8 +31,6 @@ import org.apache.commons.collections.CollectionUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import sun.security.provider.certpath.Vertex;
-
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.LinkedList;

http://git-wip-us.apache.org/repos/asf/incubator-atlas/blob/e5fe91a4/repository/src/main/java/org/apache/atlas/repository/store/graph/v1/AtlasStructDefStoreV1.java
----------------------------------------------------------------------
diff --git a/repository/src/main/java/org/apache/atlas/repository/store/graph/v1/AtlasStructDefStoreV1.java b/repository/src/main/java/org/apache/atlas/repository/store/graph/v1/AtlasStructDefStoreV1.java
index c4e7dcd..ea1b03b 100644
--- a/repository/src/main/java/org/apache/atlas/repository/store/graph/v1/AtlasStructDefStoreV1.java
+++ b/repository/src/main/java/org/apache/atlas/repository/store/graph/v1/AtlasStructDefStoreV1.java
@@ -21,6 +21,7 @@ import org.apache.atlas.exception.AtlasBaseException;
 import org.apache.atlas.model.SearchFilter;
 import org.apache.atlas.model.typedef.AtlasStructDef;
 import org.apache.atlas.model.typedef.AtlasStructDef.AtlasAttributeDef;
+
 import org.apache.atlas.model.typedef.AtlasStructDef.AtlasStructDefs;
 import org.apache.atlas.repository.Constants;
 import org.apache.atlas.repository.graphdb.AtlasVertex;
@@ -381,7 +382,7 @@ public class AtlasStructDefStoreV1 implements AtlasStructDefStore {
                 String propertyKey = AtlasGraphUtilsV1.getPropertyKey(ret, attrName);
                 String attribJson  = atlasVertex.getProperty(propertyKey, String.class);
 
-                attributeDefs.add(toAttributeDefFromJson(attribJson));
+                attributeDefs.add(toAttributeDefFromJson(AtlasType.fromJson(attribJson, Map.class)));
             }
         }
         ret.setAttributeDefs(attributeDefs);
@@ -412,14 +413,17 @@ public class AtlasStructDefStoreV1 implements AtlasStructDefStore {
     }
 
     private static String toJsonFromAttributeDef(AtlasAttributeDef attributeDef) {
+        Boolean isComposite       = Boolean.FALSE;
+        String  reverseAttribName = null;
+
         Map<String, Object> attribInfo = new HashMap<String, Object>();
 
         attribInfo.put("name", attributeDef.getName());
         attribInfo.put("dataType", attributeDef.getTypeName());
         attribInfo.put("isUnique", attributeDef.isUnique());
         attribInfo.put("isIndexable", attributeDef.isIndexable());
-        attribInfo.put("isComposite", Boolean.FALSE);
-        attribInfo.put("reverseAttributeName", "");
+        attribInfo.put("isComposite", isComposite);
+        attribInfo.put("reverseAttributeName", reverseAttribName);
         Map<String, Object> multiplicity = new HashMap<String, Object>();
         multiplicity.put("lower", attributeDef.getValuesMinCount());
         multiplicity.put("upper", attributeDef.getValuesMaxCount());
@@ -430,23 +434,23 @@ public class AtlasStructDefStoreV1 implements AtlasStructDefStore {
         return AtlasType.toJson(attribInfo);
     }
 
-    private static AtlasAttributeDef toAttributeDefFromJson(String json) {
-        Map attribInfo = AtlasType.fromJson(json, Map.class);
-
+    private static AtlasAttributeDef toAttributeDefFromJson(Map attribInfo) {
         AtlasAttributeDef ret = new AtlasAttributeDef();
 
         ret.setName((String) attribInfo.get("name"));
         ret.setTypeName((String) attribInfo.get("dataType"));
         ret.setUnique((Boolean) attribInfo.get("isUnique"));
         ret.setIndexable((Boolean) attribInfo.get("isIndexable"));
+
         /*
-        attributeMap.put("isComposite", isComposite);
-        attributeMap.put("reverseAttributeName", reverseAttributeName);
+        String  reverseAttribName = (String)attribInfo.get("reverseAttributeName");
+        Boolean isComposite       = (Boolean) attribInfo.get("isComposite");
         */
-        Map multiplicity = AtlasType.fromJson((String) attribInfo.get("multiplicity"), Map.class);
-        Number  minCount = (Number) multiplicity.get("lower");
-        Number  maxCount = (Number) multiplicity.get("upper");
-        Boolean isUnique = (Boolean) multiplicity.get("isUnique");
+        Map     multiplicity      = AtlasType.fromJson((String) attribInfo.get("multiplicity"), Map.class);
+        Number  minCount          = (Number) multiplicity.get("lower");
+        Number  maxCount          = (Number) multiplicity.get("upper");
+        Boolean isUnique          = (Boolean) multiplicity.get("isUnique");
+
 
         if (minCount == null || minCount.intValue() == 0) {
             ret.setOptional(true);

http://git-wip-us.apache.org/repos/asf/incubator-atlas/blob/e5fe91a4/repository/src/main/java/org/apache/atlas/repository/store/graph/v1/AtlasTypeDefGraphStoreV1.java
----------------------------------------------------------------------
diff --git a/repository/src/main/java/org/apache/atlas/repository/store/graph/v1/AtlasTypeDefGraphStoreV1.java b/repository/src/main/java/org/apache/atlas/repository/store/graph/v1/AtlasTypeDefGraphStoreV1.java
index 9726530..4b50aac 100644
--- a/repository/src/main/java/org/apache/atlas/repository/store/graph/v1/AtlasTypeDefGraphStoreV1.java
+++ b/repository/src/main/java/org/apache/atlas/repository/store/graph/v1/AtlasTypeDefGraphStoreV1.java
@@ -60,15 +60,29 @@ public class AtlasTypeDefGraphStoreV1 extends AtlasTypeDefGraphStore {
     public AtlasTypeDefGraphStoreV1() {
         super();
 
-        enumDefStore           = new AtlasEnumDefStoreV1(this);
-        structDefStore         = new AtlasStructDefStoreV1(this);
-        classificationDefStore = new AtlasClassificationDefStoreV1(this);
-        entityDefStore         = new AtlasEntityDefStoreV1(this);
+        LOG.info("==> AtlasTypeDefGraphStoreV1()");
+
+        try {
+            init();
+        } catch(AtlasBaseException excp) {
+            LOG.error("failed to initialize types from graph store", excp);
+        }
+
+        LOG.info("<== AtlasTypeDefGraphStoreV1()");
     }
 
     @Override
-    public void init() {
+    public void init() throws AtlasBaseException {
+        LOG.info("==> AtlasTypeDefGraphStoreV1.init()");
+
+        super.init();
+
+        super.init(new AtlasEnumDefStoreV1(this),
+                   new AtlasStructDefStoreV1(this),
+                   new AtlasClassificationDefStoreV1(this),
+                   new AtlasEntityDefStoreV1(this));
 
+        LOG.info("<== AtlasTypeDefGraphStoreV1.init()");
     }
 
     public AtlasGraph getAtlasGraph() { return atlasGraph; }

http://git-wip-us.apache.org/repos/asf/incubator-atlas/blob/e5fe91a4/webapp/src/main/java/org/apache/atlas/web/rest/TypesREST.java
----------------------------------------------------------------------
diff --git a/webapp/src/main/java/org/apache/atlas/web/rest/TypesREST.java b/webapp/src/main/java/org/apache/atlas/web/rest/TypesREST.java
index 728bec3..889c3dd 100644
--- a/webapp/src/main/java/org/apache/atlas/web/rest/TypesREST.java
+++ b/webapp/src/main/java/org/apache/atlas/web/rest/TypesREST.java
@@ -350,7 +350,7 @@ public class TypesREST {
         AtlasEntityDef ret = null;
 
         try {
-            ret = typeDefStore.createEntityDefs(entityDef);
+            ret = typeDefStore.createEntityDef(entityDef);
             return ret;
         } catch (AtlasBaseException ex) {
             throw new WebApplicationException(Servlets.getErrorResponse(ex, Response.Status.BAD_REQUEST));


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