com.eucalyptus.simpleworkflow.persist.PersistenceWorkflowExecutions.java Source code

Java tutorial

Introduction

Here is the source code for com.eucalyptus.simpleworkflow.persist.PersistenceWorkflowExecutions.java

Source

/*************************************************************************
 * Copyright 2009-2015 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.SimpleWorkflowProperties.getWorkflowExecutionDurationMillis;
import static com.eucalyptus.simpleworkflow.SimpleWorkflowProperties.getWorkflowExecutionRetentionDurationMillis;
import static com.eucalyptus.simpleworkflow.common.SimpleWorkflowMetadata.WorkflowExecutionMetadata;
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.SwfMetadataException;
import com.eucalyptus.simpleworkflow.WorkflowExecution;
import com.eucalyptus.simpleworkflow.WorkflowExecutions;
import com.eucalyptus.auth.principal.OwnerFullName;
import com.google.common.base.Function;
import com.google.common.base.Predicates;

/**
 *
 */
@ComponentNamed
public class PersistenceWorkflowExecutions
        extends SwfPersistenceSupport<WorkflowExecutionMetadata, WorkflowExecution> implements WorkflowExecutions {

    public PersistenceWorkflowExecutions() {
        super("workflow-execution");
    }

    public <T> List<T> listTimedOut(final long time, final Function<? super WorkflowExecution, T> transform)
            throws SwfMetadataException {
        return listByExample(WorkflowExecution.exampleForOpenWorkflow(), Predicates.alwaysTrue(),
                Restrictions.disjunction().add(Restrictions.lt("timeoutTimestamp", new Date(time)))
                        .add(Restrictions.lt("creationTimestamp",
                                new Date(time - getWorkflowExecutionDurationMillis()))),
                Collections.<String, String>emptyMap(), transform);
    }

    public <T> List<T> listRetentionExpired(final long time, final Function<? super WorkflowExecution, T> transform)
            throws SwfMetadataException {
        return listByExample(WorkflowExecution.exampleForClosedWorkflow(), Predicates.alwaysTrue(),
                Restrictions.disjunction().add(Restrictions.lt("retentionTimestamp", new Date(time)))
                        .add(Restrictions.lt("closeTimestamp",
                                new Date(time - getWorkflowExecutionRetentionDurationMillis()))),
                Collections.<String, String>emptyMap(), transform);
    }

    @Override
    public long countOpenByDomain(final OwnerFullName ownerFullName, final String domain)
            throws SwfMetadataException {
        return countByExample(WorkflowExecution.exampleForOpenWorkflow(ownerFullName, domain, null));
    }

    @Override
    protected WorkflowExecution exampleWithOwner(final OwnerFullName ownerFullName) {
        return WorkflowExecution.exampleWithOwner(ownerFullName);
    }

    @Override
    protected WorkflowExecution exampleWithName(final OwnerFullName ownerFullName, final String name) {
        return WorkflowExecution.exampleWithName(ownerFullName, name);
    }
}