org.opensearch.transport.InboundMessage Maven / Gradle / Ivy
/*
* 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.transport;
import org.opensearch.common.bytes.ReleasableBytesReference;
import org.opensearch.common.io.stream.StreamInput;
import org.opensearch.common.lease.Releasable;
import org.opensearch.common.lease.Releasables;
import org.opensearch.core.internal.io.IOUtils;
import java.io.IOException;
public class InboundMessage implements Releasable {
private final Header header;
private final ReleasableBytesReference content;
private final Exception exception;
private final boolean isPing;
private Releasable breakerRelease;
private StreamInput streamInput;
public InboundMessage(Header header, ReleasableBytesReference content, Releasable breakerRelease) {
this.header = header;
this.content = content;
this.breakerRelease = breakerRelease;
this.exception = null;
this.isPing = false;
}
public InboundMessage(Header header, Exception exception) {
this.header = header;
this.content = null;
this.breakerRelease = null;
this.exception = exception;
this.isPing = false;
}
public InboundMessage(Header header, boolean isPing) {
this.header = header;
this.content = null;
this.breakerRelease = null;
this.exception = null;
this.isPing = isPing;
}
public Header getHeader() {
return header;
}
public int getContentLength() {
if (content == null) {
return 0;
} else {
return content.length();
}
}
public Exception getException() {
return exception;
}
public boolean isPing() {
return isPing;
}
public boolean isShortCircuit() {
return exception != null;
}
public Releasable takeBreakerReleaseControl() {
final Releasable toReturn = breakerRelease;
breakerRelease = null;
if (toReturn != null) {
return toReturn;
} else {
return () -> {};
}
}
public StreamInput openOrGetStreamInput() throws IOException {
assert isPing == false && content != null;
if (streamInput == null) {
streamInput = content.streamInput();
streamInput.setVersion(header.getVersion());
}
return streamInput;
}
@Override
public void close() {
IOUtils.closeWhileHandlingException(streamInput);
Releasables.closeWhileHandlingException(content, breakerRelease);
}
@Override
public String toString() {
return "InboundMessage{" + header + "}";
}
}