org.apache.flink.runtime.io.network.api.serialization.BufferSerializationDelegate 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,
* WITHOUStreamRecordWARRANTIES 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.io.network.api.serialization;
import org.apache.flink.core.io.IOReadableWritable;
import org.apache.flink.core.memory.DataInputView;
import java.io.IOException;
import java.nio.ByteBuffer;
/**
* The serialization delegate exposes an {@link ByteBuffer} as a {@link IOReadableWritable} for serialization.
* This interface is implemented to encapsulate buffer transformations such as compression and encryption.
*/
interface BufferSerializationDelegate extends IOReadableWritable {
/**
* Set the input buffer before serialization.
* @param buffer the input buffer.
*/
void setBuffer(ByteBuffer buffer);
/**
* Clear to release all its resources.
*/
void clear();
/**
* Don't implement this method since this interface is on serialization side.
*/
default void read(DataInputView in) throws IOException {
throw new IllegalStateException("Deserialization method called on BufferSerializationDelegate.");
}
}