org.springframework.yarn.event.DefaultYarnEventPublisher Maven / Gradle / Ivy
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/*
* Copyright 2013 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
*
* 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.springframework.yarn.event;
import org.apache.hadoop.yarn.api.records.Container;
import org.apache.hadoop.yarn.api.records.ContainerStatus;
import org.springframework.context.ApplicationEventPublisher;
import org.springframework.context.ApplicationEventPublisherAware;
/**
* The default strategy for publishing Yarn events.
*
* @author Janne Valkealahti
*
*/
public class DefaultYarnEventPublisher implements YarnEventPublisher, ApplicationEventPublisherAware {
/** The one who can publish events from this implementation */
private ApplicationEventPublisher applicationEventPublisher;
/**
* Constructs default strategy without an event publisher.
*/
public DefaultYarnEventPublisher() {
this(null);
}
/**
* Constructs default strategy with an event publisher.
*
* @param applicationEventPublisher the event publisher
*/
public DefaultYarnEventPublisher(ApplicationEventPublisher applicationEventPublisher) {
super();
this.applicationEventPublisher = applicationEventPublisher;
}
@Override
public void setApplicationEventPublisher(ApplicationEventPublisher applicationEventPublisher) {
this.applicationEventPublisher = applicationEventPublisher;
}
@Override
public void publishContainerAllocated(Object source, Container container) {
if (applicationEventPublisher != null) {
applicationEventPublisher.publishEvent(new ContainerAllocationEvent(source, container));
}
}
@Override
public void publishContainerLaunched(Object source, Container container) {
if (applicationEventPublisher != null) {
applicationEventPublisher.publishEvent(new ContainerLaunchedEvent(source, container));
}
}
@Override
public void publishContainerLaunchRequestFailed(Object source, Container container) {
if (applicationEventPublisher != null) {
applicationEventPublisher.publishEvent(new ContainerLaunchRequestFailedEvent(source, container));
}
}
@Override
public void publishContainerCompleted(Object source, ContainerStatus status) {
if (applicationEventPublisher != null) {
applicationEventPublisher.publishEvent(new ContainerCompletedEvent(source, status));
}
}
@Override
public void publishEvent(AbstractYarnEvent event) {
if (applicationEventPublisher != null) {
applicationEventPublisher.publishEvent(event);
}
}
}