HBASE-11026-Provide option to filter out all rows in PerformanceEvaluation tool (Ram)

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1589447 13f79535-47bb-0310-9956-ffa450edef68

hbase-protocol/src/main/java/org/apache/hadoop/hbase/protobuf/generated/FilterProtos.java

@@ -15543,6 +15543,344 @@ public final class FilterProtos {
     // @@protoc_insertion_point(class_scope:WhileMatchFilter)
   }
 
+  public interface FilterAllFilterOrBuilder
+      extends com.google.protobuf.MessageOrBuilder {
+  }
+  /**
+   * Protobuf type {@code FilterAllFilter}
+   */
+  public static final class FilterAllFilter extends
+      com.google.protobuf.GeneratedMessage
+      implements FilterAllFilterOrBuilder {
+    // Use FilterAllFilter.newBuilder() to construct.
+    private FilterAllFilter(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+      this.unknownFields = builder.getUnknownFields();
+    }
+    private FilterAllFilter(boolean noInit) { this.unknownFields = com.google.protobuf.UnknownFieldSet.getDefaultInstance(); }
+
+    private static final FilterAllFilter defaultInstance;
+    public static FilterAllFilter getDefaultInstance() {
+      return defaultInstance;
+    }
+
+    public FilterAllFilter getDefaultInstanceForType() {
+      return defaultInstance;
+    }
+
+    private final com.google.protobuf.UnknownFieldSet unknownFields;
+    @java.lang.Override
+    public final com.google.protobuf.UnknownFieldSet
+        getUnknownFields() {
+      return this.unknownFields;
+    }
+    private FilterAllFilter(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      initFields();
+      com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+          com.google.protobuf.UnknownFieldSet.newBuilder();
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            default: {
+              if (!parseUnknownField(input, unknownFields,
+                                     extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+          }
+        }
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(this);
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(
+            e.getMessage()).setUnfinishedMessage(this);
+      } finally {
+        this.unknownFields = unknownFields.build();
+        makeExtensionsImmutable();
+      }
+    }
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return org.apache.hadoop.hbase.protobuf.generated.FilterProtos.internal_static_FilterAllFilter_descriptor;
+    }
+
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return org.apache.hadoop.hbase.protobuf.generated.FilterProtos.internal_static_FilterAllFilter_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter.class, org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter.Builder.class);
+    }
+
+    public static com.google.protobuf.Parser<FilterAllFilter> PARSER =
+        new com.google.protobuf.AbstractParser<FilterAllFilter>() {
+      public FilterAllFilter parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return new FilterAllFilter(input, extensionRegistry);
+      }
+    };
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<FilterAllFilter> getParserForType() {
+      return PARSER;
+    }
+
+    private void initFields() {
+    }
+    private byte memoizedIsInitialized = -1;
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized != -1) return isInitialized == 1;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    public void writeTo(com.google.protobuf.CodedOutputStream output)
+                        throws java.io.IOException {
+      getSerializedSize();
+      getUnknownFields().writeTo(output);
+    }
+
+    private int memoizedSerializedSize = -1;
+    public int getSerializedSize() {
+      int size = memoizedSerializedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      size += getUnknownFields().getSerializedSize();
+      memoizedSerializedSize = size;
+      return size;
+    }
+
+    private static final long serialVersionUID = 0L;
+    @java.lang.Override
+    protected java.lang.Object writeReplace()
+        throws java.io.ObjectStreamException {
+      return super.writeReplace();
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+       return true;
+      }
+      if (!(obj instanceof org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter)) {
+        return super.equals(obj);
+      }
+      org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter other = (org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter) obj;
+
+      boolean result = true;
+      result = result &&
+          getUnknownFields().equals(other.getUnknownFields());
+      return result;
+    }
+
+    private int memoizedHashCode = 0;
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptorForType().hashCode();
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter parseFrom(
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter parseFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input, extensionRegistry);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseDelimitedFrom(input);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter parseDelimitedFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseDelimitedFrom(input, extensionRegistry);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter parseFrom(
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input, extensionRegistry);
+    }
+
+    public static Builder newBuilder() { return Builder.create(); }
+    public Builder newBuilderForType() { return newBuilder(); }
+    public static Builder newBuilder(org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter prototype) {
+      return newBuilder().mergeFrom(prototype);
+    }
+    public Builder toBuilder() { return newBuilder(this); }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(
+        com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+    /**
+     * Protobuf type {@code FilterAllFilter}
+     */
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessage.Builder<Builder>
+       implements org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilterOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return org.apache.hadoop.hbase.protobuf.generated.FilterProtos.internal_static_FilterAllFilter_descriptor;
+      }
+
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return org.apache.hadoop.hbase.protobuf.generated.FilterProtos.internal_static_FilterAllFilter_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter.class, org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter.Builder.class);
+      }
+
+      // Construct using org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter.newBuilder()
+      private Builder() {
+        maybeForceBuilderInitialization();
+      }
+
+      private Builder(
+          com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+        maybeForceBuilderInitialization();
+      }
+      private void maybeForceBuilderInitialization() {
+        if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        }
+      }
+      private static Builder create() {
+        return new Builder();
+      }
+
+      public Builder clear() {
+        super.clear();
+        return this;
+      }
+
+      public Builder clone() {
+        return create().mergeFrom(buildPartial());
+      }
+
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return org.apache.hadoop.hbase.protobuf.generated.FilterProtos.internal_static_FilterAllFilter_descriptor;
+      }
+
+      public org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter getDefaultInstanceForType() {
+        return org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter.getDefaultInstance();
+      }
+
+      public org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter build() {
+        org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      public org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter buildPartial() {
+        org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter result = new org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter(this);
+        onBuilt();
+        return result;
+      }
+
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter) {
+          return mergeFrom((org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter)other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter other) {
+        if (other == org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter.getDefaultInstance()) return this;
+        this.mergeUnknownFields(other.getUnknownFields());
+        return this;
+      }
+
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter parsedMessage = null;
+        try {
+          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          parsedMessage = (org.apache.hadoop.hbase.protobuf.generated.FilterProtos.FilterAllFilter) e.getUnfinishedMessage();
+          throw e;
+        } finally {
+          if (parsedMessage != null) {
+            mergeFrom(parsedMessage);
+          }
+        }
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:FilterAllFilter)
+    }
+
+    static {
+      defaultInstance = new FilterAllFilter(true);
+      defaultInstance.initFields();
+    }
+
+    // @@protoc_insertion_point(class_scope:FilterAllFilter)
+  }
+
   private static com.google.protobuf.Descriptors.Descriptor
     internal_static_Filter_descriptor;
   private static
@@ -15678,6 +16016,11 @@ public final class FilterProtos {
   private static
     com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_WhileMatchFilter_fieldAccessorTable;
+  private static com.google.protobuf.Descriptors.Descriptor
+    internal_static_FilterAllFilter_descriptor;
+  private static
+    com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_FilterAllFilter_fieldAccessorTable;
 
   public static com.google.protobuf.Descriptors.FileDescriptor
       getDescriptor() {
@@ -15732,8 +16075,9 @@ public final class FilterProtos {
       "\022\026\n\ntimestamps\030\001 \003(\003B\002\020\001\"5\n\013ValueFilter\022" +
       "&\n\016compare_filter\030\001 \002(\0132\016.CompareFilter\"" +
       "+\n\020WhileMatchFilter\022\027\n\006filter\030\001 \002(\0132\007.Fi" +
-      "lterBB\n*org.apache.hadoop.hbase.protobuf" +
+      "lter\"\021\n\017FilterAllFilterBB\n*org.apache.ha" +
-      ".generatedB\014FilterProtosH\001\210\001\001\240\001\001"
+      "doop.hbase.protobuf.generatedB\014FilterPro" +
+      "tosH\001\210\001\001\240\001\001"
     };
     com.google.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner assigner =
       new com.google.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner() {
@@ -15902,6 +16246,12 @@ public final class FilterProtos {
             com.google.protobuf.GeneratedMessage.FieldAccessorTable(
               internal_static_WhileMatchFilter_descriptor,
               new java.lang.String[] { "Filter", });
+          internal_static_FilterAllFilter_descriptor =
+            getDescriptor().getMessageTypes().get(27);
+          internal_static_FilterAllFilter_fieldAccessorTable = new
+            com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+              internal_static_FilterAllFilter_descriptor,
+              new java.lang.String[] { });
           return null;
         }
       };

hbase-protocol/src/main/protobuf/Filter.proto

@@ -154,3 +154,5 @@ message ValueFilter {
 message WhileMatchFilter {
   required Filter filter = 1;
 }
+message FilterAllFilter {
+}

hbase-server/src/test/java/org/apache/hadoop/hbase/PerformanceEvaluation.java

@@ -18,6 +18,8 @@
  */
 package org.apache.hadoop.hbase;
 
+import static org.codehaus.jackson.map.SerializationConfig.Feature.SORT_PROPERTIES_ALPHABETICALLY;
+
 import java.io.IOException;
 import java.io.PrintStream;
 import java.lang.reflect.Constructor;
@@ -37,10 +39,6 @@ import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.Future;
 
-import com.google.common.util.concurrent.ThreadFactoryBuilder;
-import com.yammer.metrics.core.Histogram;
-import com.yammer.metrics.core.MetricsRegistry;
-
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
@@ -60,6 +58,8 @@ import org.apache.hadoop.hbase.client.Scan;
 import org.apache.hadoop.hbase.filter.BinaryComparator;
 import org.apache.hadoop.hbase.filter.CompareFilter;
 import org.apache.hadoop.hbase.filter.Filter;
+import org.apache.hadoop.hbase.filter.FilterAllFilter;
+import org.apache.hadoop.hbase.filter.FilterList;
 import org.apache.hadoop.hbase.filter.PageFilter;
 import org.apache.hadoop.hbase.filter.SingleColumnValueFilter;
 import org.apache.hadoop.hbase.filter.WhileMatchFilter;
@@ -81,7 +81,9 @@ import org.apache.hadoop.util.Tool;
 import org.apache.hadoop.util.ToolRunner;
 import org.codehaus.jackson.map.ObjectMapper;
 
-import static org.codehaus.jackson.map.SerializationConfig.Feature.SORT_PROPERTIES_ALPHABETICALLY;
+import com.google.common.util.concurrent.ThreadFactoryBuilder;
+import com.yammer.metrics.core.Histogram;
+import com.yammer.metrics.core.MetricsRegistry;
 
 /**
  * Script used evaluating HBase performance and scalability.  Runs a HBase
@@ -500,9 +502,11 @@ public class PerformanceEvaluation extends Configured implements Tool {
       this.presplitRegions = that.presplitRegions;
       this.compression = that.compression;
       this.blockEncoding = that.blockEncoding;
+      this.filterAll = that.filterAll;
     }
 
     public boolean nomapred = false;
+    public boolean filterAll = false;
     public int startRow = 0;
     public int perClientRunRows = ROWS_PER_GB;
     public int numClientThreads = 1;
@@ -659,8 +663,13 @@ public class PerformanceEvaluation extends Configured implements Tool {
     @Override
     void testRow(final int i) throws IOException {
       Scan scan = new Scan(getRandomRow(this.rand, opts.modulo));
+      FilterList list = new FilterList();
       scan.addColumn(FAMILY_NAME, QUALIFIER_NAME);
-      scan.setFilter(new WhileMatchFilter(new PageFilter(120)));
+      if (opts.filterAll) {
+        list.addFilter(new FilterAllFilter());
+      }
+      list.addFilter(new WhileMatchFilter(new PageFilter(120)));
+      scan.setFilter(list);
       ResultScanner s = this.table.getScanner(scan);
       for (Result rr; (rr = s.next()) != null;) ;
       s.close();
@@ -684,6 +693,9 @@ public class PerformanceEvaluation extends Configured implements Tool {
     void testRow(final int i) throws IOException {
       Pair<byte[], byte[]> startAndStopRow = getStartAndStopRow();
       Scan scan = new Scan(startAndStopRow.getFirst(), startAndStopRow.getSecond());
+      if (opts.filterAll) {
+        scan.setFilter(new FilterAllFilter());
+      }
       scan.addColumn(FAMILY_NAME, QUALIFIER_NAME);
       ResultScanner s = this.table.getScanner(scan);
       int count = 0;
@@ -774,6 +786,9 @@ public class PerformanceEvaluation extends Configured implements Tool {
     void testRow(final int i) throws IOException {
       Get get = new Get(getRandomRow(this.rand, opts.modulo));
       get.addColumn(FAMILY_NAME, QUALIFIER_NAME);
+      if (opts.filterAll) {
+        get.setFilter(new FilterAllFilter());
+      }
       if (LOG.isTraceEnabled()) LOG.trace(get.toString());
       if (opts.multiGet > 0) {
         this.gets.add(get);
@@ -853,7 +868,10 @@ public class PerformanceEvaluation extends Configured implements Tool {
         Scan scan = new Scan(format(opts.startRow));
         scan.setCaching(30);
         scan.addColumn(FAMILY_NAME, QUALIFIER_NAME);
-        this.testScanner = table.getScanner(scan);
+        if (opts.filterAll) {
+          scan.setFilter(new FilterAllFilter());
+        }
+       this.testScanner = table.getScanner(scan);
       }
       testScanner.next();
     }
@@ -869,6 +887,9 @@ public class PerformanceEvaluation extends Configured implements Tool {
     void testRow(final int i) throws IOException {
       Get get = new Get(format(i));
       get.addColumn(FAMILY_NAME, QUALIFIER_NAME);
+      if (opts.filterAll) {
+        get.setFilter(new FilterAllFilter());
+      }
       table.get(get);
     }
   }
@@ -923,13 +944,18 @@ public class PerformanceEvaluation extends Configured implements Tool {
     }
 
     protected Scan constructScan(byte[] valuePrefix) throws IOException {
+      FilterList list = new FilterList();
       Filter filter = new SingleColumnValueFilter(
           FAMILY_NAME, QUALIFIER_NAME, CompareFilter.CompareOp.EQUAL,
           new BinaryComparator(valuePrefix)
       );
+      list.addFilter(filter);
+      if(opts.filterAll) {
+        list.addFilter(new FilterAllFilter());
+      }
       Scan scan = new Scan();
       scan.addColumn(FAMILY_NAME, QUALIFIER_NAME);
-      scan.setFilter(filter);
+      scan.setFilter(list);
       return scan;
     }
   }
@@ -1078,6 +1104,9 @@ public class PerformanceEvaluation extends Configured implements Tool {
       "Default: false");
     System.err.println(" numoftags       Specify the no of tags that would be needed. " +
        "This works only if usetags is true.");
+    System.err.println(" filterAll       Helps to filter out all the rows on the server side"
+        + " there by not returning any thing back to the client.  Helps to check the server side"
+        + " performance.  Uses FilterAllFilter internally. ");
     System.err.println(" latency         Set to report operation latencies. Default: False");
     System.err.println();
     System.err.println(" Note: -D properties will be applied to the conf used. ");
@@ -1227,6 +1256,12 @@ public class PerformanceEvaluation extends Configured implements Tool {
           continue;
         }
 
+        final String filterOutAll = "--filterAll";
+        if (cmd.startsWith(filterOutAll)) {
+          opts.filterAll = true;
+          continue;
+        }
+
         final String modulo = "--modulo=";
         if (cmd.startsWith(modulo)) {
           opts.modulo = Integer.parseInt(cmd.substring(modulo.length()));

hbase-server/src/test/java/org/apache/hadoop/hbase/filter/FilterAllFilter.java

@@ -0,0 +1,62 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.hbase.filter;
+
+import java.io.IOException;
+
+import org.apache.hadoop.hbase.Cell;
+import org.apache.hadoop.hbase.exceptions.DeserializationException;
+import org.apache.hadoop.hbase.protobuf.generated.FilterProtos;
+
+import com.google.protobuf.InvalidProtocolBufferException;
+
+public class FilterAllFilter extends FilterBase {
+
+  public FilterAllFilter() {
+  }
+
+  @Override
+  public ReturnCode filterKeyValue(Cell v) throws IOException {
+    return ReturnCode.INCLUDE;
+  }
+
+  @Override
+  public boolean filterRow() throws IOException {
+    return true;
+  }
+
+  public static FilterAllFilter parseFrom(final byte[] pbBytes) throws DeserializationException {
+    FilterProtos.FilterAllFilter proto;
+    try {
+      proto = FilterProtos.FilterAllFilter.parseFrom(pbBytes);
+    } catch (InvalidProtocolBufferException e) {
+      throw new DeserializationException(e);
+    }
+    return new FilterAllFilter();
+  }
+
+  @Override
+  boolean areSerializedFieldsEqual(Filter o) {
+    if (o == this)
+      return true;
+    if (!(o instanceof FilterAllFilter))
+      return false;
+
+    return true;
+  }
+}