package me.prettyprint.cassandra.serializers;
import java.nio.ByteBuffer;
import java.util.List;
import java.util.Map;
/**
* The BytesExtractor is a simple identity function. It supports the Extractor
* interface and implements the fromBytes and toBytes as simple identity
* functions. However, the from and to methods both return the results of
* {@link ByteBuffer#duplicate()}
*
*
* @author Ran Tavory
* @author zznate
*/
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;
}
return bytes.duplicate();
}
@Override
public ByteBuffer toByteBuffer(ByteBuffer obj) {
if(obj==null) {
return null;
}
return obj.duplicate();
}
@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;
}
}