org.glassfish.api.admin.JobManager Maven / Gradle / Ivy
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/*
* Copyright (c) 2013, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package org.glassfish.api.admin;
import java.io.File;
import java.io.IOException;
import java.io.Serializable;
import java.util.Iterator;
import org.glassfish.api.admin.progress.JobInfos;
import org.jvnet.hk2.annotations.Contract;
/**
* This is the contract for the JobManagerService The JobManager will be responsible for 1. generating unique ids for
* jobs 2. serving as a registry for jobs 3. creating thread pools for jobs 4.removing expired jobs
*
* @author Martin Mares
* @author Bhakti Mehta
*/
@Contract
public interface JobManager {
/**
* Container for checkpoint related objects
*/
public class Checkpoint implements Serializable {
private static final long serialVersionUID = 1L;
private Job job;
private AdminCommand command;
private AdminCommandContext context;
public Checkpoint(Job job, AdminCommand command, AdminCommandContext context) {
this.job = job;
this.command = command;
this.context = context;
}
public Job getJob() {
return job;
}
public AdminCommand getCommand() {
return command;
}
public AdminCommandContext getContext() {
return context;
}
}
/**
* This method is used to generate a unique id for a managed job
*
* @return returns a new id for the job
*/
String getNewId();
/**
* This method will register the job in the job registry
*
* @param instance job to be registered
* @throws IllegalArgumentException
*/
void registerJob(Job instance) throws IllegalArgumentException;
/**
* This method will return the list of jobs in the job registry
*
* @return list of jobs
*/
Iterator getJobs();
/**
* This method is used to get a job by its id
*
* @param id The id to look up the job in the job registry
* @return the Job
*/
Job get(String id);
/**
* This will purge the job associated with the id from the registry
*
* @param id the id of the Job which needs to be purged
*/
void purgeJob(String id);
/**
* This will get the list of jobs from the job registry which have completed
*
* @return the details of all completed jobs using JobInfos
*/
JobInfos getCompletedJobs(File jobs);
/**
* This is a convenience method to get a completed job with an id
*
* @param id the completed Job whose id needs to be looked up
* @return the completed Job
*/
Object getCompletedJobForId(String id);
/**
* This is used to purge a completed job whose id is provided
*
* @param id the id of the Job which needs to be purged
* @return the new list of completed jobs
*/
Object purgeCompletedJobForId(String id);
/**
* This is used to get the jobs file for a job
*
* @return the location of the job file
*/
File getJobsFile();
/**
* Stores current command state.
*/
void checkpoint(AdminCommand command, AdminCommandContext context) throws IOException;
/**
* Stores current command state.
*/
void checkpoint(AdminCommandContext context, Serializable data) throws IOException;
/**
* Load checkpoint related data.
*/
T loadCheckpointData(String jobId) throws IOException, ClassNotFoundException;
}