com.netflix.astyanax.serializers.ByteBufferSerializer Maven / Gradle / Ivy
package com.netflix.astyanax.serializers;
import java.nio.ByteBuffer;
import java.util.List;
import java.util.Map;
import org.apache.cassandra.db.marshal.BytesType;
/**
* 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 {
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 toBytesList(List list) {
return list;
}
@Override
public List fromBytesList(List list) {
return list;
}
@Override
public Map toBytesMap(Map map) {
return map;
}
@Override
public Map fromBytesMap(Map map) {
return map;
}
@Override
public ByteBuffer fromString(String str) {
return BytesType.instance.fromString(str);
}
@Override
public String getString(ByteBuffer byteBuffer) {
return BytesType.instance.getString(byteBuffer);
}
}