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/*******************************************************************************
* Copyright (c) 2004 - 2006 University Of British Columbia and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* University Of British Columbia - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.ui;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.SubProgressMonitor;
import org.eclipse.core.runtime.jobs.IJobChangeEvent;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.core.runtime.jobs.JobChangeAdapter;
import org.eclipse.mylyn.tasks.core.AbstractRepositoryConnector;
import org.eclipse.mylyn.tasks.core.AbstractRepositoryQuery;
import org.eclipse.mylyn.tasks.core.TaskList;
import org.eclipse.mylyn.tasks.core.TaskRepository;
import org.eclipse.mylyn.tasks.ui.TaskListManager;
import org.eclipse.mylyn.tasks.ui.TasksUiPlugin;
/**
* @author Rob Elves
*/
public class ScheduledTaskListSynchJob extends Job {
private static final int UPDATE_ATTRIBUTES_FREQUENCY = 10;
private static final String LABEL_TASK = "Task Repository Synchronization";
private static final String JOB_NAME = "Synchronizing repository tasks";
private long scheduleDelay = 1000 * 60 * 20;// 20 minutes default
private TaskList taskList = null;
private static long count = 0;
private TaskListManager taskListManager;
private List<TaskRepository> repositories = null;
public ScheduledTaskListSynchJob(long schedule, TaskListManager taskListManager) {
super(JOB_NAME);
this.scheduleDelay = schedule;
this.taskListManager = taskListManager;
this.setSystem(true);
this.setPriority(Job.BUILD);
}
public ScheduledTaskListSynchJob(TaskListManager taskListManager) {
super(JOB_NAME);
this.taskListManager = taskListManager;
this.setPriority(Job.BUILD);
this.scheduleDelay = -1;
}
@Override
public IStatus run(IProgressMonitor monitor) {
try {
if (monitor == null) {
monitor = new NullProgressMonitor();
}
taskList = taskListManager.getTaskList();
if (repositories == null) {
repositories = TasksUiPlugin.getRepositoryManager().getAllRepositories();
}
monitor.beginTask(LABEL_TASK, repositories.size());
for (final TaskRepository repository : repositories) {
if (monitor.isCanceled()) {
scheduleDelay = -1;
throw new OperationCanceledException();
}
final AbstractRepositoryConnector connector = TasksUiPlugin.getRepositoryManager()
.getRepositoryConnector(repository.getKind());
if (connector == null) {
monitor.worked(1);
continue;
}
// Occasionally update repository attributes
if (count >= UPDATE_ATTRIBUTES_FREQUENCY) {
Job updateJob = new Job("Updating attributes for "+repository.getUrl()) {
@Override
protected IStatus run(IProgressMonitor monitor) {
try {
connector.updateAttributes(repository, new SubProgressMonitor(monitor, 1));
} catch (Throwable t) {
// ignore, since we might not be connected
// MylarStatusHandler.log(t, "Unable to update attributes for " + repository.getUrl()
// + " " + t.getMessage());
}
return Status.OK_STATUS;
}
};
//updateJob.setSystem(true);
updateJob.setPriority(Job.LONG);
updateJob.schedule();
}
Set<AbstractRepositoryQuery> queries = Collections.unmodifiableSet(taskList
.getRepositoryQueries(repository.getUrl()));
if (queries.size() > 0) {
if (connector != null) {
JobChangeAdapter jobAdapter = new JobChangeAdapter() {
@Override
public void done(IJobChangeEvent event) {
TasksUiPlugin.getSynchronizationManager().synchronizeChanged(connector, repository);
}
};
TasksUiPlugin.getSynchronizationManager().synchronize(connector, queries, jobAdapter,
Job.DECORATE, 0, false, false);
}
} else {
TasksUiPlugin.getSynchronizationManager().synchronizeChanged(connector, repository);
}
monitor.worked(1);
}
} finally {
count = count >= UPDATE_ATTRIBUTES_FREQUENCY ? 0 : count + 1;
if (monitor != null) {
monitor.done();
}
}
return Status.OK_STATUS;
}
public void setSchedule(long schedule) {
this.scheduleDelay = schedule;
}
public void setRepositories(List<TaskRepository> repositories) {
this.repositories = repositories;
}
/**
* for testing purposes
*/
public static long getCount() {
return count;
}
/** for testing */
public static void resetCount() {
count = 0;
}
public long getScheduleDelay() {
return scheduleDelay;
}
}
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