/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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 gobblin.runtime.api;
import com.google.common.base.Objects;
import gobblin.util.callbacks.Callback;
/**
* {@link JobSpecScheduler} callbacks.
*/
public interface JobSpecSchedulerListener {
/** Called just before a job gets added to the scheduler */
void onJobScheduled(JobSpecSchedule jobSchedule);
/** Called just before a job gets removed from the scheduler */
void onJobUnscheduled(JobSpecSchedule jobSchedule);
/** Called just before the job (runnable) gets triggered by the scheduler */
void onJobTriggered(JobSpec jobSpec);
public class JobScheduledCallback extends Callback<JobSpecSchedulerListener, Void> {
private final JobSpecSchedule _jobSchedule;
public JobScheduledCallback(JobSpecSchedule jobSchedule) {
super(Objects.toStringHelper("onJobScheduled").add("jobSchedule", jobSchedule).toString());
_jobSchedule = jobSchedule;
}
@Override public Void apply(JobSpecSchedulerListener listener) {
listener.onJobScheduled(_jobSchedule);
return null;
}
}
public class JobUnscheduledCallback extends Callback<JobSpecSchedulerListener, Void> {
private final JobSpecSchedule _jobSchedule;
public JobUnscheduledCallback(JobSpecSchedule jobSchedule) {
super(Objects.toStringHelper("onJobUnscheduled").add("jobSchedule", jobSchedule).toString());
_jobSchedule = jobSchedule;
}
@Override public Void apply(JobSpecSchedulerListener listener) {
listener.onJobUnscheduled(_jobSchedule);
return null;
}
}
public class JobTriggeredCallback extends Callback<JobSpecSchedulerListener, Void> {
private final JobSpec _jobSpec;
public JobTriggeredCallback(JobSpec jobSpec) {
super(Objects.toStringHelper("onJobTriggered").add("jobSpec", jobSpec).toString());
_jobSpec = jobSpec;
}
@Override public Void apply(JobSpecSchedulerListener listener) {
listener.onJobTriggered(_jobSpec);
return null;
}
}
}