package me.prettyprint.cassandra.serializers;

import java.nio.ByteBuffer;
import java.util.List;
import java.util.Map;

import me.prettyprint.hector.api.Serializer;

/**
 * The BytesExtractor is a simple identity function. It supports the Extractor
 * interface and implements the fromBytes and toBytes as simple identity
 * functions.
 * 
 * @author Ran Tavory
 * 
 */
public final class ByteBufferSerializer extends AbstractSerializer<ByteBuffer>{

  private static ByteBufferSerializer instance = new ByteBufferSerializer();

  public static ByteBufferSerializer get() {
    return instance;
  }

  @Override
  public ByteBuffer fromByteBuffer(ByteBuffer bytes) {
    if(bytes==null) {
      return null;
    }
    ByteBuffer b = bytes.slice();
    bytes.position(bytes.position() + b.remaining());
    return b;
  }

  @Override
  public ByteBuffer toByteBuffer(ByteBuffer obj) {
    if(obj==null) {
      return null;
    }
    return obj.slice();
  }

  @Override
  public List<ByteBuffer> toBytesList(List<ByteBuffer> list) {
    return list;
  }

  @Override
  public List<ByteBuffer> fromBytesList(List<ByteBuffer> list) {
    return list;
  }

  @Override
  public <V> Map<ByteBuffer, V> toBytesMap(Map<ByteBuffer, V> map) {
    return map;
  }

  @Override
  public <V> Map<ByteBuffer, V> fromBytesMap(Map<ByteBuffer, V> map) {
    return map;
  }
}

@@ -329,16 +329,117 @@
 nctions.
+ However, the from and to methods both return the results of %0A * %7B@link ByteBuffer#duplicate()%7D  %0A * 
 %0A * %0A * 
@@ -460,16 +460,30 @@
 vory%0A * 
+@author zznate
 %0A */%0Apub
@@ -831,104 +831,32 @@
     
-ByteBuffer b = bytes.slice();%0A    bytes.position(bytes.position() + b.remaining());%0A    return b
+return bytes.duplicate()
 ;%0A  
@@ -985,12 +985,16 @@
 obj.
-s
+dup
 lic
+at
 e();

fix issue with BB serializer. Addresses GH issue 185