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/*
* 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.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import java.io.IOException;
public abstract class TransportResponse extends TransportMessage {
/**
* Constructs a new empty transport response
*/
public TransportResponse() {}
/**
* Constructs a new transport response with the data from the {@link StreamInput}. This is
* currently a no-op. However, this exists to allow extenders to call super(in)
* so that reading can mirror writing where we often call super.writeTo(out)
.
*/
public TransportResponse(StreamInput in) throws IOException {
super(in);
}
public static class Empty extends TransportResponse {
public static final Empty INSTANCE = new Empty();
@Override
public String toString() {
return "Empty{}";
}
@Override
public void writeTo(StreamOutput out) throws IOException {}
}
}