/* * SPDX-License-Identifier: Apache-2.0 * * The OpenSearch Contributors require contributions made to * this file be licensed under the Apache-2.0 license or a * compatible open source license. */ /* * Licensed to Elasticsearch under one or more contributor * license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright * ownership. Elasticsearch 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. */ /* * Modifications Copyright OpenSearch Contributors. See * GitHub history for details. */ package org.opensearch.common.io.stream; import org.opensearch.common.bytes.ReleasableBytesReference; import org.opensearch.common.util.BigArrays; import org.opensearch.common.util.PageCacheRecycler; import org.opensearch.common.lease.Releasable; import org.opensearch.common.lease.Releasables; /** * An bytes stream output that allows providing a {@link BigArrays} instance * expecting it to require releasing its content ({@link #bytes()}) once done. *

* Please note, closing this stream will release the bytes that are in use by any * {@link ReleasableBytesReference} returned from {@link #bytes()}, so this * stream should only be closed after the bytes have been output or copied * elsewhere. * * @opensearch.internal */ public class ReleasableBytesStreamOutput extends BytesStreamOutput implements Releasable { public ReleasableBytesStreamOutput(BigArrays bigarrays) { this(PageCacheRecycler.PAGE_SIZE_IN_BYTES, bigarrays); } public ReleasableBytesStreamOutput(int expectedSize, BigArrays bigArrays) { super(expectedSize, bigArrays); } @Override public void close() { Releasables.close(bytes); } }