/*
* 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.client;
import org.elasticsearch.action.Action;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.ActionRequest;
import org.elasticsearch.action.ActionRequestBuilder;
import org.elasticsearch.action.ActionResponse;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.tasks.Task;
import org.elasticsearch.tasks.TaskId;
/**
* A {@linkplain Client} that sets the parent task on all requests that it makes. Use this to conveniently implement actions that cause
* many other actions.
*/
public class ParentTaskAssigningClient extends FilterClient {
private final TaskId parentTask;
/**
* Standard constructor.
*/
public ParentTaskAssigningClient(Client in, TaskId parentTask) {
super(in);
this.parentTask = parentTask;
}
/**
* Convenience constructor for building the TaskId out of what is usually at hand.
*/
public ParentTaskAssigningClient(Client in, DiscoveryNode localNode, Task parentTask) {
this(in, new TaskId(localNode.getId(), parentTask.getId()));
}
/**
* Fetch the wrapped client. Use this to make calls that don't set {@link ActionRequest#setParentTask(TaskId)}.
*/
public Client unwrap() {
return in();
}
@Override
protected < Request extends ActionRequest,
Response extends ActionResponse,
RequestBuilder extends ActionRequestBuilder<Request, Response, RequestBuilder>
> void doExecute(Action<Request, Response, RequestBuilder> action, Request request, ActionListener<Response> listener) {
request.setParentTask(parentTask);
super.doExecute(action, request, listener);
}
}