/*************************************************************************
* 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.common.client;
import java.lang.reflect.Modifier;
import org.apache.log4j.Logger;
import com.amazonaws.services.simpleworkflow.flow.annotations.Activities;
import com.amazonaws.services.simpleworkflow.flow.annotations.Workflow;
import com.eucalyptus.bootstrap.ServiceJarDiscovery;
import com.eucalyptus.component.ComponentId;
import com.eucalyptus.component.annotation.ComponentPart;
import com.eucalyptus.system.Ats;
/**
*
*/
public class WorkflowDiscovery extends ServiceJarDiscovery {
private static final Logger logger = Logger.getLogger( WorkflowDiscovery.class );
@Override
public boolean processClass( final Class candidate ) throws Exception {
final Ats ats = Ats.inClassHierarchy( candidate );
if ( ( ats.has( Workflow.class ) || ats.has( Activities.class ) ) &&
ats.has( ComponentPart.class ) &&
!Modifier.isAbstract( candidate.getModifiers() ) &&
!Modifier.isInterface( candidate.getModifiers( ) ) &&
!candidate.isLocalClass( ) &&
!candidate.isAnonymousClass( ) ) {
final Class<? extends ComponentId> componentIdClass = ats.get( ComponentPart.class ).value( );
if ( ats.has( Workflow.class ) ) {
WorkflowRegistry.registerWorkflow( componentIdClass, candidate );
if ( ats.has ( Hourly.class ) ) {
WorkflowTimer.addHourlyWorkflow( candidate );
} else if ( ats.has( Daily.class) ) {
WorkflowTimer.addDailyWorkflow( candidate );
} else if ( ats.has( Repeating.class) ) {
WorkflowTimer.addRepeatingWorkflow( candidate );
} else if ( ats.has (Once.class) ) {
WorkflowTimer.addOnceWorkflow( candidate );
}
} else {
WorkflowRegistry.registerActivities( componentIdClass, candidate );
}
logger.debug( "Discovered workflow implementation class: " + candidate.getName( ) );
return true;
} else {
return false;
}
}
@Override
public Double getPriority( ) {
return 0.3d;
}
}