Java tutorial
/* ***** BEGIN LICENSE BLOCK ***** * Copyright (C) 2014 Linagora * * This program is free software: you can redistribute it and/or modify it under * the terms of the GNU Affero General Public License as published by the Free * Software Foundation, either version 3 of the License, or (at your option) any * later version, provided you comply with the Additional Terms applicable for OBM * software by Linagora pursuant to Section 7 of the GNU Affero General Public * License, subsections (b), (c), and (e), pursuant to which you must notably (i) * retain the displaying by the interactive user interfaces of the OBM, Free * Communication by Linagora? Logo with the You are using the Open Source and * free version of OBM developed and supported by Linagora. Contribute to OBM R&D * by subscribing to an Enterprise offer !? infobox, (ii) retain all hypertext * links between OBM and obm.org, between Linagora and linagora.com, as well as * between the expression Enterprise offer? and pro.obm.org, and (iii) refrain * from infringing Linagora intellectual property rights over its trademarks and * commercial brands. Other Additional Terms apply, see * <http://www.linagora.com/licenses/> for more details. * * This program is distributed in the hope that it will be useful, but WITHOUT ANY * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A * PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License and * its applicable Additional Terms for OBM along with this program. If not, see * <http://www.gnu.org/licenses/> for the GNU Affero General Public License * version 3 and <http://www.linagora.com/licenses/> for the Additional Terms * applicable to the OBM software. * ***** END LICENSE BLOCK ***** */ package org.obm.imap.archive.services; import java.util.Map; import org.obm.annotations.transactional.Transactional; import org.obm.imap.archive.beans.ArchiveTreatmentRunId; import org.obm.imap.archive.scheduling.ArchiveDomainTask; import org.obm.imap.archive.scheduling.ArchiveSchedulerBus; import org.obm.imap.archive.scheduling.ArchiveSchedulerBus.Events.TaskStatusChanged; import com.google.common.annotations.VisibleForTesting; import com.google.common.base.Optional; import com.google.common.collect.Maps; import com.google.common.eventbus.Subscribe; import com.google.inject.Singleton; @Singleton public class ScheduledArchivingTracker implements ArchiveSchedulerBus.Client { private final Map<ArchiveTreatmentRunId, ArchiveDomainTask> scheduledTasks; @VisibleForTesting ScheduledArchivingTracker() { this.scheduledTasks = Maps.newConcurrentMap(); } @Subscribe @Transactional public void onTreatmentStateChange(TaskStatusChanged event) { ArchiveDomainTask task = event.task(); ArchiveTreatmentRunId runId = task.getArchiveConfiguration().getRunId(); switch (event.state()) { case RUNNING: case NEW: case WAITING: scheduledTasks.put(runId, task); break; case CANCELED: case FAILED: case TERMINATED: scheduledTasks.remove(runId); break; default: break; } } public Optional<ArchiveDomainTask> get(ArchiveTreatmentRunId runId) { return Optional.fromNullable(scheduledTasks.get(runId)); } }