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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.action;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.Writeable;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportException;
import org.elasticsearch.transport.TransportResponse;
import org.elasticsearch.transport.TransportResponseHandler;
import java.io.IOException;
import java.util.Objects;
/**
* A simple base class for action response listeners, defaulting to using the SAME executor (as its
* very common on response handlers).
*/
public class ActionListenerResponseHandler implements TransportResponseHandler {
private final ActionListener listener;
private final Writeable.Reader reader;
private final String executor;
public ActionListenerResponseHandler(ActionListener listener, Writeable.Reader reader, String executor) {
this.listener = Objects.requireNonNull(listener);
this.reader = Objects.requireNonNull(reader);
this.executor = Objects.requireNonNull(executor);
}
public ActionListenerResponseHandler(ActionListener listener, Writeable.Reader reader) {
this(listener, reader, ThreadPool.Names.SAME);
}
@Override
public void handleResponse(Response response) {
listener.onResponse(response);
}
@Override
public void handleException(TransportException e) {
listener.onFailure(e);
}
@Override
public String executor() {
return executor;
}
@Override
public Response read(StreamInput in) throws IOException {
return reader.read(in);
}
@Override
public String toString() {
return super.toString() + "/" + listener;
}
}