/* * 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.tasks.Task; /** */ public abstract class TransportRequest extends TransportMessage<TransportRequest> { public static class Empty extends TransportRequest { public static final Empty INSTANCE = new Empty(); public Empty() { super(); } public Empty(TransportRequest request) { super(request); } } public TransportRequest() { } protected TransportRequest(TransportRequest request) { super(request); } /** * Returns the task object that should be used to keep track of the processing of the request. * * A request can override this method and return null to avoid being tracked by the task manager. */ public Task createTask(long id, String type, String action) { return new Task(id, type, action, getDescription()); } /** * Returns optional description of the request to be displayed by the task manager */ public String getDescription() { return ""; } }