com.netflix.genie.web.data.observers.PersistedJobStatusObserverImpl Maven / Gradle / Ivy
/*
*
* Copyright 2019 Netflix, Inc.
*
* 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 com.netflix.genie.web.data.observers;
import com.netflix.genie.common.internal.dtos.JobStatus;
import com.netflix.genie.web.events.GenieEventBus;
import com.netflix.genie.web.events.JobStateChangeEvent;
import lombok.extern.slf4j.Slf4j;
import javax.annotation.Nullable;
/**
* Observer of persisted entities modifications that publishes events on the event bus to be consumed asynchronously by
* interested consumers.
*
* @author mprimi
* @since 4.0.0
*/
@Slf4j
public class PersistedJobStatusObserverImpl implements PersistedJobStatusObserver {
private final GenieEventBus genieEventBus;
/**
* Constructor.
*
* @param genieEventBus the genie event bus
*/
public PersistedJobStatusObserverImpl(final GenieEventBus genieEventBus) {
this.genieEventBus = genieEventBus;
}
/**
* {@inheritDoc}
*/
@Override
public void notify(final String jobId, @Nullable final JobStatus previousStatus, final JobStatus currentStatus) {
final JobStateChangeEvent event = new JobStateChangeEvent(jobId, previousStatus, currentStatus, this);
log.debug("Publishing event: {}", event);
this.genieEventBus.publishAsynchronousEvent(event);
log.info("Job {} status changed from: {} to: {}", jobId, previousStatus, currentStatus);
}
}