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From apurt...@apache.org
Subject svn commit: r1589318 - in /hbase/trunk/hbase-server/src: main/java/org/apache/hadoop/hbase/rest/ main/java/org/apache/hadoop/hbase/rest/model/ main/java/org/apache/hadoop/hbase/rest/protobuf/generated/ main/resources/org/apache/hadoop/hbase/rest/ main/...
Date Wed, 23 Apr 2014 00:03:06 GMT
Author: apurtell
Date: Wed Apr 23 00:03:06 2014
New Revision: 1589318

URL: http://svn.apache.org/r1589318
Log:
HBASE-10952 [REST] Let the user turn off block caching if desired

Modified:
    hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/Constants.java
    hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/MultiRowResource.java
    hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/ResultGenerator.java
    hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/RowResource.java
    hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/RowResultGenerator.java
    hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/ScannerResource.java
    hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/ScannerResultGenerator.java
    hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/model/ScannerModel.java
    hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/protobuf/generated/ScannerMessage.java
    hbase/trunk/hbase-server/src/main/resources/org/apache/hadoop/hbase/rest/XMLSchema.xsd
    hbase/trunk/hbase-server/src/main/resources/org/apache/hadoop/hbase/rest/protobuf/ScannerMessage.proto
    hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/rest/model/TestModelBase.java
    hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/rest/model/TestScannerModel.java

Modified: hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/Constants.java
URL: http://svn.apache.org/viewvc/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/Constants.java?rev=1589318&r1=1589317&r2=1589318&view=diff
==============================================================================
--- hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/Constants.java (original)
+++ hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/Constants.java Wed
Apr 23 00:03:06 2014
@@ -27,7 +27,9 @@ import org.apache.hadoop.classification.
 @InterfaceAudience.Public
 @InterfaceStability.Stable
 public interface Constants {
-  String VERSION_STRING = "0.0.2";
+  // All constants in a public interface are 'public static final'
+
+  String VERSION_STRING = "0.0.3";
 
   int DEFAULT_MAX_AGE = 60 * 60 * 4;  // 4 hours
 
@@ -43,30 +45,32 @@ public interface Constants {
 
   String CRLF = "\r\n";
 
-  static final String REST_KEYTAB_FILE = "hbase.rest.keytab.file";
-  static final String REST_KERBEROS_PRINCIPAL = "hbase.rest.kerberos.principal";
-  static final String REST_AUTHENTICATION_TYPE = "hbase.rest.authentication.type";
-  static final String REST_AUTHENTICATION_PRINCIPAL =
-    "hbase.rest.authentication.kerberos.principal";
-
-  static final String REST_SSL_ENABLED = "hbase.rest.ssl.enabled";
-  static final String REST_SSL_KEYSTORE_STORE = "hbase.rest.ssl.keystore.store";
-  static final String REST_SSL_KEYSTORE_PASSWORD = "hbase.rest.ssl.keystore.password";
-  static final String REST_SSL_KEYSTORE_KEYPASSWORD =
-    "hbase.rest.ssl.keystore.keypassword";
-
-  static final String REST_DNS_NAMESERVER = "hbase.rest.dns.nameserver";
-  static final String REST_DNS_INTERFACE = "hbase.rest.dns.interface";
-
-  public static final String FILTER_CLASSES = "hbase.rest.filter.classes";
-  public static final String SCAN_START_ROW = "startrow";
-  public static final String SCAN_END_ROW = "endrow";
-  public static final String SCAN_COLUMN = "column";
-  public static final String SCAN_START_TIME = "starttime";
-  public static final String SCAN_END_TIME = "endtime";
-  public static final String SCAN_MAX_VERSIONS = "maxversions";
-  public static final String SCAN_BATCH_SIZE = "batchsize";
-  public static final String SCAN_LIMIT = "limit";
-  public static final String SCAN_FETCH_SIZE = "hbase.rest.scan.fetchsize";
-
+  String REST_KEYTAB_FILE = "hbase.rest.keytab.file";
+  String REST_KERBEROS_PRINCIPAL = "hbase.rest.kerberos.principal";
+  String REST_AUTHENTICATION_TYPE = "hbase.rest.authentication.type";
+  String REST_AUTHENTICATION_PRINCIPAL = "hbase.rest.authentication.kerberos.principal";
+
+  String REST_SSL_ENABLED = "hbase.rest.ssl.enabled";
+  String REST_SSL_KEYSTORE_STORE = "hbase.rest.ssl.keystore.store";
+  String REST_SSL_KEYSTORE_PASSWORD = "hbase.rest.ssl.keystore.password";
+  String REST_SSL_KEYSTORE_KEYPASSWORD = "hbase.rest.ssl.keystore.keypassword";
+
+  String REST_DNS_NAMESERVER = "hbase.rest.dns.nameserver";
+  String REST_DNS_INTERFACE = "hbase.rest.dns.interface";
+
+  String FILTER_CLASSES = "hbase.rest.filter.classes";
+  String SCAN_START_ROW = "startrow";
+  String SCAN_END_ROW = "endrow";
+  String SCAN_COLUMN = "column";
+  String SCAN_START_TIME = "starttime";
+  String SCAN_END_TIME = "endtime";
+  String SCAN_MAX_VERSIONS = "maxversions";
+  String SCAN_BATCH_SIZE = "batchsize";
+  String SCAN_LIMIT = "limit";
+  String SCAN_FETCH_SIZE = "hbase.rest.scan.fetchsize";
+
+  String ROW_KEYS_PARAM_NAME = "row";
+  /** If this query parameter is present when processing row or scanner resources,
+      it disables server side block caching */
+  String NOCACHE_PARAM_NAME = "nocache";
 }

Modified: hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/MultiRowResource.java
URL: http://svn.apache.org/viewvc/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/MultiRowResource.java?rev=1589318&r1=1589317&r2=1589318&view=diff
==============================================================================
--- hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/MultiRowResource.java
(original)
+++ hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/MultiRowResource.java
Wed Apr 23 00:03:06 2014
@@ -37,9 +37,8 @@ import org.apache.hadoop.hbase.rest.mode
 import org.apache.hadoop.hbase.rest.model.RowModel;
 
 @InterfaceAudience.Private
-public class MultiRowResource extends ResourceBase {
+public class MultiRowResource extends ResourceBase implements Constants {
   private static final Log LOG = LogFactory.getLog(MultiRowResource.class);
-  public static final String ROW_KEYS_PARAM_NAME = "row";
 
   TableResource tableResource;
   Integer versions = null;
@@ -75,9 +74,9 @@ public class MultiRowResource extends Re
         if (this.versions != null) {
           rowSpec.setMaxVersions(this.versions);
         }
-
         ResultGenerator generator =
-            ResultGenerator.fromRowSpec(this.tableResource.getName(), rowSpec, null);
+          ResultGenerator.fromRowSpec(this.tableResource.getName(), rowSpec, null,
+            !params.containsKey(NOCACHE_PARAM_NAME));
         Cell value = null;
         RowModel rowModel = new RowModel(rk);
         if (generator.hasNext()) {

Modified: hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/ResultGenerator.java
URL: http://svn.apache.org/viewvc/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/ResultGenerator.java?rev=1589318&r1=1589317&r2=1589318&view=diff
==============================================================================
--- hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/ResultGenerator.java
(original)
+++ hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/ResultGenerator.java
Wed Apr 23 00:03:06 2014
@@ -31,11 +31,12 @@ import org.apache.hadoop.hbase.rest.mode
 public abstract class ResultGenerator implements Iterator<Cell> {
 
   public static ResultGenerator fromRowSpec(final String table, 
-      final RowSpec rowspec, final Filter filter) throws IOException {
+      final RowSpec rowspec, final Filter filter, final boolean cacheBlocks)
+      throws IOException {
     if (rowspec.isSingleRow()) {
-      return new RowResultGenerator(table, rowspec, filter);
+      return new RowResultGenerator(table, rowspec, filter, cacheBlocks);
     } else {
-      return new ScannerResultGenerator(table, rowspec, filter);
+      return new ScannerResultGenerator(table, rowspec, filter, cacheBlocks);
     }
   }
 

Modified: hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/RowResource.java
URL: http://svn.apache.org/viewvc/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/RowResource.java?rev=1589318&r1=1589317&r2=1589318&view=diff
==============================================================================
--- hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/RowResource.java (original)
+++ hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/RowResource.java Wed
Apr 23 00:03:06 2014
@@ -31,6 +31,7 @@ import javax.ws.rs.PUT;
 import javax.ws.rs.Produces;
 import javax.ws.rs.core.Context;
 import javax.ws.rs.core.HttpHeaders;
+import javax.ws.rs.core.MultivaluedMap;
 import javax.ws.rs.core.Response;
 import javax.ws.rs.core.Response.ResponseBuilder;
 import javax.ws.rs.core.UriInfo;
@@ -88,9 +89,11 @@ public class RowResource extends Resourc
       LOG.debug("GET " + uriInfo.getAbsolutePath());
     }
     servlet.getMetrics().incrementRequests(1);
+    MultivaluedMap<String, String> params = uriInfo.getQueryParameters();
     try {
       ResultGenerator generator =
-        ResultGenerator.fromRowSpec(tableResource.getName(), rowspec, null);
+        ResultGenerator.fromRowSpec(tableResource.getName(), rowspec, null,
+          !params.containsKey(NOCACHE_PARAM_NAME));
       if (!generator.hasNext()) {
         servlet.getMetrics().incrementFailedGetRequests(1);
         return Response.status(Response.Status.NOT_FOUND)
@@ -138,9 +141,11 @@ public class RowResource extends Resourc
       return Response.status(Response.Status.BAD_REQUEST).type(MIMETYPE_TEXT)
           .entity("Bad request: Either 0 or more than 1 columns specified." + CRLF).build();
     }
+    MultivaluedMap<String, String> params = uriInfo.getQueryParameters();
     try {
       ResultGenerator generator =
-        ResultGenerator.fromRowSpec(tableResource.getName(), rowspec, null);
+        ResultGenerator.fromRowSpec(tableResource.getName(), rowspec, null,
+          !params.containsKey(NOCACHE_PARAM_NAME));
       if (!generator.hasNext()) {
         servlet.getMetrics().incrementFailedGetRequests(1);
         return Response.status(Response.Status.NOT_FOUND)

Modified: hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/RowResultGenerator.java
URL: http://svn.apache.org/viewvc/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/RowResultGenerator.java?rev=1589318&r1=1589317&r2=1589318&view=diff
==============================================================================
--- hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/RowResultGenerator.java
(original)
+++ hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/RowResultGenerator.java
Wed Apr 23 00:03:06 2014
@@ -43,7 +43,8 @@ public class RowResultGenerator extends 
   private Cell cache;
 
   public RowResultGenerator(final String tableName, final RowSpec rowspec,
-      final Filter filter) throws IllegalArgumentException, IOException {
+      final Filter filter, final boolean cacheBlocks)
+      throws IllegalArgumentException, IOException {
     HTableInterface table = RESTServlet.getInstance().getTable(tableName);
     try {
       Get get = new Get(rowspec.getRow());
@@ -64,6 +65,7 @@ public class RowResultGenerator extends 
       if (filter != null) {
         get.setFilter(filter);
       }
+      get.setCacheBlocks(cacheBlocks);
       Result result = table.get(get);
       if (result != null && !result.isEmpty()) {
         valuesI = result.listCells().iterator();

Modified: hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/ScannerResource.java
URL: http://svn.apache.org/viewvc/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/ScannerResource.java?rev=1589318&r1=1589317&r2=1589318&view=diff
==============================================================================
--- hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/ScannerResource.java
(original)
+++ hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/ScannerResource.java
Wed Apr 23 00:03:06 2014
@@ -31,6 +31,7 @@ import javax.ws.rs.PUT;
 import javax.ws.rs.Path;
 import javax.ws.rs.PathParam;
 import javax.ws.rs.core.Context;
+import javax.ws.rs.core.MultivaluedMap;
 import javax.ws.rs.core.Response;
 import javax.ws.rs.core.UriBuilder;
 import javax.ws.rs.core.UriInfo;
@@ -90,11 +91,14 @@ public class ScannerResource extends Res
       spec = new RowSpec(model.getStartRow(), endRow, model.getColumns(), model.getStartTime(),
           model.getEndTime(), model.getMaxVersions());
     }
+    MultivaluedMap<String, String> params = uriInfo.getQueryParameters();
+    
     try {
       Filter filter = ScannerResultGenerator.buildFilterFromModel(model);
       String tableName = tableResource.getName();
       ScannerResultGenerator gen =
-        new ScannerResultGenerator(tableName, spec, filter, model.getCaching());
+        new ScannerResultGenerator(tableName, spec, filter, model.getCaching(),
+          model.getCacheBlocks());
       String id = gen.getID();
       ScannerInstanceResource instance =
         new ScannerInstanceResource(tableName, id, gen, model.getBatch());

Modified: hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/ScannerResultGenerator.java
URL: http://svn.apache.org/viewvc/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/ScannerResultGenerator.java?rev=1589318&r1=1589317&r2=1589318&view=diff
==============================================================================
--- hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/ScannerResultGenerator.java
(original)
+++ hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/ScannerResultGenerator.java
Wed Apr 23 00:03:06 2014
@@ -59,12 +59,14 @@ public class ScannerResultGenerator exte
   private Result cached;
 
   public ScannerResultGenerator(final String tableName, final RowSpec rowspec,
-      final Filter filter) throws IllegalArgumentException, IOException {
-    this(tableName, rowspec, filter, -1);
+      final Filter filter, final boolean cacheBlocks)
+      throws IllegalArgumentException, IOException {
+    this(tableName, rowspec, filter, -1, cacheBlocks);
   }
 
   public ScannerResultGenerator(final String tableName, final RowSpec rowspec,
-      final Filter filter, final int caching) throws IllegalArgumentException, IOException
{
+      final Filter filter, final int caching, final boolean cacheBlocks)
+      throws IllegalArgumentException, IOException {
     HTableInterface table = RESTServlet.getInstance().getTable(tableName);
     try {
       Scan scan;
@@ -94,6 +96,7 @@ public class ScannerResultGenerator exte
       if (caching > 0 ) {
         scan.setCaching(caching);
       }
+      scan.setCacheBlocks(cacheBlocks);
       if (rowspec.hasLabels()) {
         scan.setAuthorizations(new Authorizations(rowspec.getLabels()));
       }

Modified: hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/model/ScannerModel.java
URL: http://svn.apache.org/viewvc/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/model/ScannerModel.java?rev=1589318&r1=1589317&r2=1589318&view=diff
==============================================================================
--- hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/model/ScannerModel.java
(original)
+++ hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/model/ScannerModel.java
Wed Apr 23 00:03:06 2014
@@ -116,6 +116,7 @@ public class ScannerModel implements Pro
   private int maxVersions = Integer.MAX_VALUE;
   private int caching = -1;
   private List<String> labels = new ArrayList<String>();
+  private boolean cacheBlocks = true;
   
   @XmlRootElement
   static class FilterModel {
@@ -667,6 +668,14 @@ public class ScannerModel implements Pro
   }
 
   /**
+   * @return true if HFile blocks should be cached on the servers for this scan, false otherwise
+   */
+  @XmlAttribute
+  public boolean getCacheBlocks() {
+    return cacheBlocks;
+  }
+
+  /**
    * @return the lower bound on timestamps of items of interest
    */
   @XmlAttribute
@@ -734,6 +743,13 @@ public class ScannerModel implements Pro
   }
 
   /**
+   * @param value true if HFile blocks should be cached on the servers for this scan, false
otherwise
+   */
+  public void setCacheBlocks(boolean value) {
+    this.cacheBlocks = value;
+  }
+
+  /**
    * @param maxVersions maximum number of versions to return
    */
   public void setMaxVersions(int maxVersions) {
@@ -791,6 +807,7 @@ public class ScannerModel implements Pro
       for (String label : labels)
         builder.addLabels(label);
     }
+    builder.setCacheBlocks(cacheBlocks);
     return builder.build().toByteArray();
   }
 
@@ -826,12 +843,15 @@ public class ScannerModel implements Pro
     if (builder.hasFilter()) {
       filter = builder.getFilter();
     }
-    if(builder.getLabelsList() != null) {
+    if (builder.getLabelsList() != null) {
       List<String> labels = builder.getLabelsList();
       for(String label :  labels) {
         addLabel(label);
       }
     }
+    if (builder.hasCacheBlocks()) {
+      this.cacheBlocks = builder.getCacheBlocks();
+    }
     return this;
   }
 

Modified: hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/protobuf/generated/ScannerMessage.java
URL: http://svn.apache.org/viewvc/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/protobuf/generated/ScannerMessage.java?rev=1589318&r1=1589317&r2=1589318&view=diff
==============================================================================
--- hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/protobuf/generated/ScannerMessage.java
(original)
+++ hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/rest/protobuf/generated/ScannerMessage.java
Wed Apr 23 00:03:06 2014
@@ -103,10 +103,18 @@ public final class ScannerMessage {
     // optional int32 caching = 9;
     /**
      * <code>optional int32 caching = 9;</code>
+     *
+     * <pre>
+     * specifies REST scanner caching
+     * </pre>
      */
     boolean hasCaching();
     /**
      * <code>optional int32 caching = 9;</code>
+     *
+     * <pre>
+     * specifies REST scanner caching
+     * </pre>
      */
     int getCaching();
 
@@ -129,6 +137,24 @@ public final class ScannerMessage {
      */
     com.google.protobuf.ByteString
         getLabelsBytes(int index);
+
+    // optional bool cacheBlocks = 11;
+    /**
+     * <code>optional bool cacheBlocks = 11;</code>
+     *
+     * <pre>
+     * server side block caching hint
+     * </pre>
+     */
+    boolean hasCacheBlocks();
+    /**
+     * <code>optional bool cacheBlocks = 11;</code>
+     *
+     * <pre>
+     * server side block caching hint
+     * </pre>
+     */
+    boolean getCacheBlocks();
   }
   /**
    * Protobuf type {@code org.apache.hadoop.hbase.rest.protobuf.generated.Scanner}
@@ -237,6 +263,11 @@ public final class ScannerMessage {
               labels_.add(input.readBytes());
               break;
             }
+            case 88: {
+              bitField0_ |= 0x00000100;
+              cacheBlocks_ = input.readBool();
+              break;
+            }
           }
         }
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -450,12 +481,20 @@ public final class ScannerMessage {
     private int caching_;
     /**
      * <code>optional int32 caching = 9;</code>
+     *
+     * <pre>
+     * specifies REST scanner caching
+     * </pre>
      */
     public boolean hasCaching() {
       return ((bitField0_ & 0x00000080) == 0x00000080);
     }
     /**
      * <code>optional int32 caching = 9;</code>
+     *
+     * <pre>
+     * specifies REST scanner caching
+     * </pre>
      */
     public int getCaching() {
       return caching_;
@@ -491,6 +530,30 @@ public final class ScannerMessage {
       return labels_.getByteString(index);
     }
 
+    // optional bool cacheBlocks = 11;
+    public static final int CACHEBLOCKS_FIELD_NUMBER = 11;
+    private boolean cacheBlocks_;
+    /**
+     * <code>optional bool cacheBlocks = 11;</code>
+     *
+     * <pre>
+     * server side block caching hint
+     * </pre>
+     */
+    public boolean hasCacheBlocks() {
+      return ((bitField0_ & 0x00000100) == 0x00000100);
+    }
+    /**
+     * <code>optional bool cacheBlocks = 11;</code>
+     *
+     * <pre>
+     * server side block caching hint
+     * </pre>
+     */
+    public boolean getCacheBlocks() {
+      return cacheBlocks_;
+    }
+
     private void initFields() {
       startRow_ = com.google.protobuf.ByteString.EMPTY;
       endRow_ = com.google.protobuf.ByteString.EMPTY;
@@ -502,6 +565,7 @@ public final class ScannerMessage {
       filter_ = "";
       caching_ = 0;
       labels_ = com.google.protobuf.LazyStringArrayList.EMPTY;
+      cacheBlocks_ = false;
     }
     private byte memoizedIsInitialized = -1;
     public final boolean isInitialized() {
@@ -545,6 +609,9 @@ public final class ScannerMessage {
       for (int i = 0; i < labels_.size(); i++) {
         output.writeBytes(10, labels_.getByteString(i));
       }
+      if (((bitField0_ & 0x00000100) == 0x00000100)) {
+        output.writeBool(11, cacheBlocks_);
+      }
       getUnknownFields().writeTo(output);
     }
 
@@ -604,6 +671,10 @@ public final class ScannerMessage {
         size += dataSize;
         size += 1 * getLabelsList().size();
       }
+      if (((bitField0_ & 0x00000100) == 0x00000100)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeBoolSize(11, cacheBlocks_);
+      }
       size += getUnknownFields().getSerializedSize();
       memoizedSerializedSize = size;
       return size;
@@ -740,6 +811,8 @@ public final class ScannerMessage {
         bitField0_ = (bitField0_ & ~0x00000100);
         labels_ = com.google.protobuf.LazyStringArrayList.EMPTY;
         bitField0_ = (bitField0_ & ~0x00000200);
+        cacheBlocks_ = false;
+        bitField0_ = (bitField0_ & ~0x00000400);
         return this;
       }
 
@@ -811,6 +884,10 @@ public final class ScannerMessage {
           bitField0_ = (bitField0_ & ~0x00000200);
         }
         result.labels_ = labels_;
+        if (((from_bitField0_ & 0x00000400) == 0x00000400)) {
+          to_bitField0_ |= 0x00000100;
+        }
+        result.cacheBlocks_ = cacheBlocks_;
         result.bitField0_ = to_bitField0_;
         onBuilt();
         return result;
@@ -873,6 +950,9 @@ public final class ScannerMessage {
           }
           onChanged();
         }
+        if (other.hasCacheBlocks()) {
+          setCacheBlocks(other.getCacheBlocks());
+        }
         this.mergeUnknownFields(other.getUnknownFields());
         return this;
       }
@@ -1254,18 +1334,30 @@ public final class ScannerMessage {
       private int caching_ ;
       /**
        * <code>optional int32 caching = 9;</code>
+       *
+       * <pre>
+       * specifies REST scanner caching
+       * </pre>
        */
       public boolean hasCaching() {
         return ((bitField0_ & 0x00000100) == 0x00000100);
       }
       /**
        * <code>optional int32 caching = 9;</code>
+       *
+       * <pre>
+       * specifies REST scanner caching
+       * </pre>
        */
       public int getCaching() {
         return caching_;
       }
       /**
        * <code>optional int32 caching = 9;</code>
+       *
+       * <pre>
+       * specifies REST scanner caching
+       * </pre>
        */
       public Builder setCaching(int value) {
         bitField0_ |= 0x00000100;
@@ -1275,6 +1367,10 @@ public final class ScannerMessage {
       }
       /**
        * <code>optional int32 caching = 9;</code>
+       *
+       * <pre>
+       * specifies REST scanner caching
+       * </pre>
        */
       public Builder clearCaching() {
         bitField0_ = (bitField0_ & ~0x00000100);
@@ -1376,6 +1472,55 @@ public final class ScannerMessage {
         return this;
       }
 
+      // optional bool cacheBlocks = 11;
+      private boolean cacheBlocks_ ;
+      /**
+       * <code>optional bool cacheBlocks = 11;</code>
+       *
+       * <pre>
+       * server side block caching hint
+       * </pre>
+       */
+      public boolean hasCacheBlocks() {
+        return ((bitField0_ & 0x00000400) == 0x00000400);
+      }
+      /**
+       * <code>optional bool cacheBlocks = 11;</code>
+       *
+       * <pre>
+       * server side block caching hint
+       * </pre>
+       */
+      public boolean getCacheBlocks() {
+        return cacheBlocks_;
+      }
+      /**
+       * <code>optional bool cacheBlocks = 11;</code>
+       *
+       * <pre>
+       * server side block caching hint
+       * </pre>
+       */
+      public Builder setCacheBlocks(boolean value) {
+        bitField0_ |= 0x00000400;
+        cacheBlocks_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional bool cacheBlocks = 11;</code>
+       *
+       * <pre>
+       * server side block caching hint
+       * </pre>
+       */
+      public Builder clearCacheBlocks() {
+        bitField0_ = (bitField0_ & ~0x00000400);
+        cacheBlocks_ = false;
+        onChanged();
+        return this;
+      }
+
       // @@protoc_insertion_point(builder_scope:org.apache.hadoop.hbase.rest.protobuf.generated.Scanner)
     }
 
@@ -1402,12 +1547,12 @@ public final class ScannerMessage {
   static {
     java.lang.String[] descriptorData = {
       "\n\024ScannerMessage.proto\022/org.apache.hadoo" +
-      "p.hbase.rest.protobuf.generated\"\265\001\n\007Scan" +
+      "p.hbase.rest.protobuf.generated\"\312\001\n\007Scan" +
       "ner\022\020\n\010startRow\030\001 \001(\014\022\016\n\006endRow\030\002 \001(\014\022\017\n"
+
       "\007columns\030\003 \003(\014\022\r\n\005batch\030\004 \001(\005\022\021\n\tstartTi"
+
       "me\030\005 \001(\003\022\017\n\007endTime\030\006 \001(\003\022\023\n\013maxVersions"
+
       "\030\007 \001(\005\022\016\n\006filter\030\010 \001(\t\022\017\n\007caching\030\t
\001(\005\022" +
-      "\016\n\006labels\030\n \003(\t"
+      "\016\n\006labels\030\n \003(\t\022\023\n\013cacheBlocks\030\013 \001(\010"
     };
     com.google.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner assigner =
       new com.google.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner() {
@@ -1419,7 +1564,7 @@ public final class ScannerMessage {
           internal_static_org_apache_hadoop_hbase_rest_protobuf_generated_Scanner_fieldAccessorTable
= new
             com.google.protobuf.GeneratedMessage.FieldAccessorTable(
               internal_static_org_apache_hadoop_hbase_rest_protobuf_generated_Scanner_descriptor,
-              new java.lang.String[] { "StartRow", "EndRow", "Columns", "Batch", "StartTime",
"EndTime", "MaxVersions", "Filter", "Caching", "Labels", });
+              new java.lang.String[] { "StartRow", "EndRow", "Columns", "Batch", "StartTime",
"EndTime", "MaxVersions", "Filter", "Caching", "Labels", "CacheBlocks", });
           return null;
         }
       };

Modified: hbase/trunk/hbase-server/src/main/resources/org/apache/hadoop/hbase/rest/XMLSchema.xsd
URL: http://svn.apache.org/viewvc/hbase/trunk/hbase-server/src/main/resources/org/apache/hadoop/hbase/rest/XMLSchema.xsd?rev=1589318&r1=1589317&r2=1589318&view=diff
==============================================================================
--- hbase/trunk/hbase-server/src/main/resources/org/apache/hadoop/hbase/rest/XMLSchema.xsd
(original)
+++ hbase/trunk/hbase-server/src/main/resources/org/apache/hadoop/hbase/rest/XMLSchema.xsd
Wed Apr 23 00:03:06 2014
@@ -111,13 +111,18 @@
     <complexType name="Scanner">
         <sequence>
             <element name="column" type="base64Binary" minOccurs="0" maxOccurs="unbounded"></element>
-            <element name="filter" type="string" minOccurs="0" maxOccurs="1"></element>
         </sequence>
         <attribute name="startRow" type="base64Binary"></attribute>
         <attribute name="endRow" type="base64Binary"></attribute>
         <attribute name="batch" type="int"></attribute>
         <attribute name="startTime" type="int"></attribute>
         <attribute name="endTime" type="int"></attribute>
+        <attribute name="filter" type="string"></attribute>
+        <attribute name="caching" type="int"></attribute>
+        <sequence>
+            <element name="labels" type="string" minOccurs="0" maxOccurs="unbounded"></element>
+        </sequence>
+        <attribute name="cacheBlocks" type="boolean"></attribute>
     </complexType>
 
     <element name="StorageClusterVersion" type="tns:StorageClusterVersion" />

Modified: hbase/trunk/hbase-server/src/main/resources/org/apache/hadoop/hbase/rest/protobuf/ScannerMessage.proto
URL: http://svn.apache.org/viewvc/hbase/trunk/hbase-server/src/main/resources/org/apache/hadoop/hbase/rest/protobuf/ScannerMessage.proto?rev=1589318&r1=1589317&r2=1589318&view=diff
==============================================================================
--- hbase/trunk/hbase-server/src/main/resources/org/apache/hadoop/hbase/rest/protobuf/ScannerMessage.proto
(original)
+++ hbase/trunk/hbase-server/src/main/resources/org/apache/hadoop/hbase/rest/protobuf/ScannerMessage.proto
Wed Apr 23 00:03:06 2014
@@ -26,6 +26,7 @@ message Scanner {
   optional int64 endTime = 6;
   optional int32 maxVersions = 7;
   optional string filter = 8;
-  optional int32 caching = 9;
+  optional int32 caching = 9;     // specifies REST scanner caching
   repeated string labels = 10;
+  optional bool cacheBlocks = 11; // server side block caching hint
 }

Modified: hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/rest/model/TestModelBase.java
URL: http://svn.apache.org/viewvc/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/rest/model/TestModelBase.java?rev=1589318&r1=1589317&r2=1589318&view=diff
==============================================================================
--- hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/rest/model/TestModelBase.java
(original)
+++ hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/rest/model/TestModelBase.java
Wed Apr 23 00:03:06 2014
@@ -20,22 +20,14 @@
 
 package org.apache.hadoop.hbase.rest.model;
 
-import com.sun.jersey.api.json.JSONJAXBContext;
 import junit.framework.TestCase;
 import org.apache.hadoop.hbase.SmallTests;
 import org.apache.hadoop.hbase.rest.ProtobufMessageHandler;
 import org.apache.hadoop.hbase.rest.provider.JAXBContextResolver;
 import org.apache.hadoop.hbase.util.Base64;
-import org.apache.hadoop.hbase.util.Bytes;
-import org.codehaus.jackson.JsonGenerationException;
-import org.codehaus.jackson.JsonParseException;
 import org.codehaus.jackson.jaxrs.JacksonJaxbJsonProvider;
-import org.codehaus.jackson.map.AnnotationIntrospector;
 import org.codehaus.jackson.map.ObjectMapper;
-import org.codehaus.jackson.map.SerializationConfig;
-import org.codehaus.jackson.map.introspect.JacksonAnnotationIntrospector;
 import org.codehaus.jackson.node.ObjectNode;
-import org.codehaus.jackson.xc.JaxbAnnotationIntrospector;
 import org.junit.experimental.categories.Category;
 
 import javax.ws.rs.core.MediaType;
@@ -44,7 +36,6 @@ import javax.xml.bind.JAXBException;
 import java.io.IOException;
 import java.io.StringReader;
 import java.io.StringWriter;
-import java.lang.reflect.InvocationTargetException;
 
 @Category(SmallTests.class)
 public abstract class TestModelBase<T> extends TestCase {

Modified: hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/rest/model/TestScannerModel.java
URL: http://svn.apache.org/viewvc/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/rest/model/TestScannerModel.java?rev=1589318&r1=1589317&r2=1589318&view=diff
==============================================================================
--- hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/rest/model/TestScannerModel.java
(original)
+++ hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/rest/model/TestScannerModel.java
Wed Apr 23 00:03:06 2014
@@ -35,23 +35,26 @@ public class TestScannerModel extends Te
   private static final long END_TIME = 1245393318192L;
   private static final int CACHING = 1000;
   private static final int BATCH = 100;
+  private static final boolean CACHE_BLOCKS = false;
 
   public TestScannerModel() throws Exception {
     super(ScannerModel.class);
     AS_XML = "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>"
-        + "<Scanner batch=\"100\" caching=\"1000\" endRow=\"enp5eng=\" endTime=\"1245393318192\"
"
-        + "maxVersions=\"2147483647\" startRow=\"YWJyYWNhZGFicmE=\" startTime=\"1245219839331\">"
+        + "<Scanner batch=\"100\" cacheBlocks=\"false\" caching=\"1000\" endRow=\"enp5eng=\"
"
+        + "endTime=\"1245393318192\" maxVersions=\"2147483647\" startRow=\"YWJyYWNhZGFicmE=\"
"
+        + "startTime=\"1245219839331\">"
         + "<column>Y29sdW1uMQ==</column><column>Y29sdW1uMjpmb28=</column>"
-        + "<label>private</label><label>public</label></Scanner>";
+        + "<label>private</label><label>public</label>"
+        + "</Scanner>";
 
-    AS_JSON = "{\"batch\":100,\"caching\":1000,\"endRow\":\"enp5eng=\",\"endTime\":1245393318192,"
-        + "\"maxVersions\":2147483647,\"startRow\":\"YWJyYWNhZGFicmE=\",\"startTime\":1245219839331,"
-        + "\"column\":[\"Y29sdW1uMQ==\",\"Y29sdW1uMjpmb28=\"],"
-        +"\"labels\":[\"private\",\"public\"]}";
+    AS_JSON = "{\"batch\":100,\"caching\":1000,\"cacheBlocks\":false,\"endRow\":\"enp5eng=\","
+        + "\"endTime\":1245393318192,\"maxVersions\":2147483647,\"startRow\":\"YWJyYWNhZGFicmE=\","
+        + "\"startTime\":1245219839331,\"column\":[\"Y29sdW1uMQ==\",\"Y29sdW1uMjpmb28=\"],"
+        +"\"labels\":[\"private\",\"public\"]"
+        +"}";
 
-    // TODO
     AS_PB = "CgthYnJhY2FkYWJyYRIFenp5engaB2NvbHVtbjEaC2NvbHVtbjI6Zm9vIGQo47qL554kMLDi57mf"
-        + "JDj/////B0joBw==";
+        + "JDj/////B0joB1IHcHJpdmF0ZVIGcHVibGljWAA=";
   }
 
   protected ScannerModel buildTestModel() {
@@ -66,6 +69,7 @@ public class TestScannerModel extends Te
     model.setCaching(CACHING);
     model.addLabel(PRIVATE);
     model.addLabel(PUBLIC);
+    model.setCacheBlocks(CACHE_BLOCKS);
     return model;
   }
 
@@ -86,6 +90,7 @@ public class TestScannerModel extends Te
     assertEquals(model.getEndTime(), END_TIME);
     assertEquals(model.getBatch(), BATCH);
     assertEquals(model.getCaching(), CACHING);
+    assertEquals(model.getCacheBlocks(), CACHE_BLOCKS);
     boolean foundLabel1 = false;
     boolean foundLabel2 = false;
     if (model.getLabels() != null && model.getLabels().size() > 0) {



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