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There is a newer version: 8.15.1

/*
 * 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.
 */

package org.elasticsearch.transport;

import org.elasticsearch.threadpool.ThreadPool;

/**
 *
 */
public class EmptyTransportResponseHandler implements TransportResponseHandler {

    public static final EmptyTransportResponseHandler INSTANCE_SAME = new EmptyTransportResponseHandler(ThreadPool.Names.SAME);

    private final String executor;

    public EmptyTransportResponseHandler(String executor) {
        this.executor = executor;
    }

    @Override
    public TransportResponse.Empty newInstance() {
        return TransportResponse.Empty.INSTANCE;
    }

    @Override
    public void handleResponse(TransportResponse.Empty response) {
    }

    @Override
    public void handleException(TransportException exp) {
    }

    @Override
    public String executor() {
        return executor;
    }
}