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  /*
   * Licensed 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 com.facebook.presto.testing;
 
 
 import static com.google.common.base.Preconditions.checkNotNull;
 
 public class RunLengthBlockEncoding
         implements BlockEncoding
 {
     private static final String NAME = "RLE";
 
     private final BlockEncoding valueBlockEncoding;
 
     public RunLengthBlockEncoding(BlockEncoding valueBlockEncoding)
     {
         this. = checkNotNull(valueBlockEncoding"valueBlockEncoding is null");
     }
 
     @Override
     public String getName()
     {
         return ;
     }
 
     {
         return ;
     }
 
     @Override
     public void writeBlock(SliceOutput sliceOutputBlock block)
     {
         RunLengthEncodedBlock rleBlock = (RunLengthEncodedBlockblock;
 
         // write the run length
         sliceOutput.writeInt(rleBlock.getPositionCount());
 
         // write the value
         getValueBlockEncoding().writeBlock(sliceOutputrleBlock.getValue());
     }
 
     @Override
     public int getEstimatedSize(Block block)
     {
         RunLengthEncodedBlock rleBlock = (RunLengthEncodedBlockblock;
 
         return 4 + getValueBlockEncoding().getEstimatedSize(rleBlock.getValue());
     }
 
     @Override
     public RunLengthEncodedBlock readBlock(SliceInput sliceInput)
     {
         // read the run length
         int positionCount = sliceInput.readInt();
 
         // read the value
         Block value = getValueBlockEncoding().readBlock(sliceInput);
 
         return new RunLengthEncodedBlock(valuepositionCount);
     }
 
     @Override
     public BlockEncodingFactory getFactory()
     {
         return ;
     }
 
     private static class RunLengthBlockEncodingFactory
             implements BlockEncodingFactory<RunLengthBlockEncoding>
     {
         @Override
         public String getName()
         {
             return ;
         }
 
         @Override
         public RunLengthBlockEncoding readEncoding(TypeManager managerBlockEncodingSerde serdeSliceInput input)
         {
            BlockEncoding valueBlockEncoding = serde.readBlockEncoding(input);
            return new RunLengthBlockEncoding(valueBlockEncoding);
        }
        @Override
        public void writeEncoding(BlockEncodingSerde serdeSliceOutput outputRunLengthBlockEncoding blockEncoding)
        {
            serde.writeBlockEncoding(outputblockEncoding.getValueBlockEncoding());
        }
    }
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