Java tutorial
/************************************************************************* * Copyright 2009-2014 Eucalyptus Systems, Inc. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 3 of the License. * * 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see http://www.gnu.org/licenses/. * * Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta * CA 93117, USA or visit http://www.eucalyptus.com/licenses/ if you need * additional information or have any questions. ************************************************************************/ package com.eucalyptus.simpleworkflow.persist; import static com.eucalyptus.simpleworkflow.common.SimpleWorkflowMetadata.ActivityTaskMetadata; import java.util.Collections; import java.util.Date; import java.util.List; import org.hibernate.criterion.Restrictions; import com.eucalyptus.component.annotation.ComponentNamed; import com.eucalyptus.simpleworkflow.ActivityTask; import com.eucalyptus.simpleworkflow.ActivityTasks; import com.eucalyptus.simpleworkflow.SwfMetadataException; import com.eucalyptus.auth.principal.OwnerFullName; import com.google.common.base.Function; import com.google.common.base.Predicates; /** * */ @ComponentNamed public class PersistenceActivityTasks extends SwfPersistenceSupport<ActivityTaskMetadata, ActivityTask> implements ActivityTasks { public PersistenceActivityTasks() { super("activity-task"); } public <T> List<T> listTimedOut(final Function<? super ActivityTask, T> transform) throws SwfMetadataException { return listByExample(ActivityTask.exampleWithOwner(null), Predicates.alwaysTrue(), Restrictions.lt("timeoutTimestamp", new Date()), Collections.<String, String>emptyMap(), transform); } @Override public long countByWorkflowExecution(final OwnerFullName ownerFullName, final String domain, final String runId) throws SwfMetadataException { return countByExample(ActivityTask.exampleWithWorkflowExecution(ownerFullName, domain, runId)); } @Override protected ActivityTask exampleWithOwner(final OwnerFullName ownerFullName) { return ActivityTask.exampleWithOwner(ownerFullName); } @Override protected ActivityTask exampleWithName(final OwnerFullName ownerFullName, final String name) { return ActivityTask.exampleWithActivityId(ownerFullName, null, null, name); } }