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Elasticsearch subproject :server
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.transport;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.common.bytes.ReleasableBytesReference;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.core.IOUtils;
import org.elasticsearch.core.Releasable;
import java.io.IOException;
import java.util.Objects;
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;
return Objects.requireNonNullElse(toReturn, () -> {});
}
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() {
try {
IOUtils.close(streamInput, content, breakerRelease);
} catch (Exception e) {
assert false : e;
throw new ElasticsearchException(e);
}
}
@Override
public String toString() {
return "InboundMessage{" + header + "}";
}
}