org.apache.flink.runtime.plugable.CopySerializationDelegate Maven / Gradle / Ivy
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* 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.runtime.plugable;
import org.apache.flink.api.common.typeutils.TypeSerializer;
import org.apache.flink.core.io.IOReadableWritable;
import org.apache.flink.core.memory.DataInputView;
import org.apache.flink.core.memory.DataOutputView;
import java.io.IOException;
/**
* The copy serialization delegate exposes an arbitrary serialized element as a {@link IOReadableWritable} for
* copying this element, with the help of a type serializer.
*
* @param The type to be copied.
*/
public class CopySerializationDelegate implements IOReadableWritable {
private DataInputView inputView;
private final TypeSerializer serializer;
public CopySerializationDelegate(TypeSerializer serializer) {
this.serializer = serializer;
}
public DataInputView getInputView() {
return inputView;
}
public void setInputView(DataInputView inputView) {
this.inputView = inputView;
}
@Override
public void write(DataOutputView out) throws IOException {
serializer.copy(inputView, out);
}
@Override
public void read(DataInputView in) throws IOException {
throw new IllegalStateException("Deserialization method called on CopySerializationDelegate.");
}
}