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  * Copyright 2014 the original author or authors.
  * Licensed 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
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.
package org.springframework.yarn.boot.actuate.endpoint;
org.springframework.boot.actuate.endpoint.Endpoint handling graceful shutdown of YARN application.

Janne Valkealahti
	public final static String ENDPOINT_ID = "yarn_containerregister";
	private static final Log log = LogFactory.getLog(YarnContainerRegisterEndpoint.class);
Instantiates a new yarn container register endpoint.
	public Map<StringObjectinvoke() {
		return Collections.<StringObjectsingletonMap("message",
				"Use POST to report yourself");

Do a registration of a container id and its tracking url. This will initiate an org.springframework.yarn.event.ContainerRegisterEvent via org.springframework.yarn.event.YarnEventPublisher if enabled.

containerId the container id
trackUrl the track url
	public void register(String containerIdString trackUrl) {
		if ( != null) {
			.publishEvent(new ContainerRegisterEvent(thiscontainerIdtrackUrl));

Sets the yarn event publisher.

yarnEventPublisher the new yarn event publisher
	public void setYarnEventPublisher(YarnEventPublisher yarnEventPublisher) {
		.debug("Setting yarnEventPublisher=[" + yarnEventPublisher + "]");
		this. = yarnEventPublisher;
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