runners/flink/src/main/java/org/apache/beam/runners/flink/translation/types/InspectableByteArrayOutputStream.java

/*
 * 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.types;

import java.io.ByteArrayOutputStream;

/**
 * Version of {@link java.io.ByteArrayOutputStream} that allows to retrieve the internal byte[]
 * buffer without incurring an array copy.
 */
public class InspectableByteArrayOutputStream extends ByteArrayOutputStream {

  /** Get the underlying byte array. */
  public byte[] getBuffer() {
    return buf;
  }
}