/*
* 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.flink.streaming.util.serialization;
/**
* A simple wrapper for using the SerializationSchema with the KeyedDeserializationSchema
* interface
* @param <T> The type to serialize
*/
public class KeyedSerializationSchemaWrapper<T> implements KeyedSerializationSchema<T> {
private static final long serialVersionUID = 1351665280744549933L;
private final SerializationSchema<T> serializationSchema;
public KeyedSerializationSchemaWrapper(SerializationSchema<T> serializationSchema) {
this.serializationSchema = serializationSchema;
}
@Override
public byte[] serializeKey(T element) {
return null;
}
@Override
public byte[] serializeValue(T element) {
return serializationSchema.serialize(element);
}
@Override
public String getTargetTopic(T element) {
return null; // we are never overriding the topic
}
}