/* * 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.beam.runners.flink.translation.wrappers; import java.io.IOException; import java.io.OutputStream; import org.apache.flink.core.memory.DataOutputView; /** * Wrapper for {@link org.apache.flink.core.memory.DataOutputView}. We need this because * Flink writes data using a {@link org.apache.flink.core.memory.DataInputView} while * Dataflow {@link org.apache.beam.sdk.coders.Coder}s expect an * {@link java.io.OutputStream}. */ public class DataOutputViewWrapper extends OutputStream { private DataOutputView outputView; public DataOutputViewWrapper(DataOutputView outputView) { this.outputView = outputView; } public void setOutputView(DataOutputView outputView) { this.outputView = outputView; } @Override public void write(int b) throws IOException { outputView.write(b); } @Override public void write(byte[] b, int off, int len) throws IOException { outputView.write(b, off, len); } }