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/**
* Copyright (C) 2015 BonitaSoft S.A.
* BonitaSoft, 32 rue Gustave Eiffel - 38000 Grenoble
* This library is free software; you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Foundation
* version 2.1 of the License.
* This library 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 Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301, USA.
**/
package org.bonitasoft.engine.execution;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.bonitasoft.engine.builder.BuilderFactory;
import org.bonitasoft.engine.commons.exceptions.SBonitaException;
import org.bonitasoft.engine.core.process.definition.model.SProcessDefinition;
import org.bonitasoft.engine.core.process.definition.model.event.SCatchEventDefinition;
import org.bonitasoft.engine.core.process.instance.api.event.EventInstanceService;
import org.bonitasoft.engine.core.process.instance.api.exceptions.event.trigger.SWaitingEventModificationException;
import org.bonitasoft.engine.core.process.instance.model.SFlowNodeInstance;
import org.bonitasoft.engine.core.process.instance.model.SReceiveTaskInstance;
import org.bonitasoft.engine.core.process.instance.model.builder.event.handling.SWaitingEventKeyProviderBuilderFactory;
import org.bonitasoft.engine.core.process.instance.model.event.SBoundaryEventInstance;
import org.bonitasoft.engine.core.process.instance.model.event.SCatchEventInstance;
import org.bonitasoft.engine.core.process.instance.model.event.SIntermediateCatchEventInstance;
import org.bonitasoft.engine.core.process.instance.model.event.handling.SWaitingEvent;
import org.bonitasoft.engine.execution.job.JobNameBuilder;
import org.bonitasoft.engine.log.technical.TechnicalLogSeverity;
import org.bonitasoft.engine.log.technical.TechnicalLoggerService;
import org.bonitasoft.engine.persistence.FilterOption;
import org.bonitasoft.engine.persistence.OrderByOption;
import org.bonitasoft.engine.persistence.OrderByType;
import org.bonitasoft.engine.persistence.QueryOptions;
import org.bonitasoft.engine.persistence.SBonitaReadException;
import org.bonitasoft.engine.scheduler.SchedulerService;
import org.bonitasoft.engine.scheduler.exception.SSchedulerException;
/**
* @author Elias Ricken de Medeiros
*/
public class WaitingEventsInterrupter {
private final EventInstanceService eventInstanceService;
private final SchedulerService schedulerService;
private final TechnicalLoggerService logger;
private static final int MAX_NUMBER_OF_RESULTS = 100;
public WaitingEventsInterrupter(final EventInstanceService eventInstanceService, final SchedulerService schedulerService, final TechnicalLoggerService logger) {
this.eventInstanceService = eventInstanceService;
this.schedulerService = schedulerService;
this.logger = logger;
}
public void interruptWaitingEvents(final SProcessDefinition processDefinition, final SCatchEventInstance catchEventInstance,
final SCatchEventDefinition catchEventDef) throws SBonitaException {
interruptTimerEvent(processDefinition, catchEventInstance, catchEventDef);
// message, signal and error
interruptWaitingEvents(catchEventInstance.getId(), catchEventDef);
}
private void interruptWaitingEvents(final long instanceId, final SCatchEventDefinition catchEventDef)
throws SBonitaReadException, SWaitingEventModificationException {
if (!catchEventDef.getEventTriggers().isEmpty()) {
interruptWaitingEvents(instanceId, SWaitingEvent.class);
}
}
public void interruptWaitingEvents(final SFlowNodeInstance flowNodeInstance) throws SBonitaException {
if (flowNodeInstance instanceof SReceiveTaskInstance || flowNodeInstance instanceof SIntermediateCatchEventInstance
|| flowNodeInstance instanceof SBoundaryEventInstance) {
interruptWaitingEvents(flowNodeInstance.getId(), SWaitingEvent.class);
}
}
private void interruptWaitingEvents(final long instanceId, final Class waitingEventClass)
throws SBonitaReadException, SWaitingEventModificationException {
final QueryOptions queryOptions = getWaitingEventsQueryOptions(instanceId, waitingEventClass);
final QueryOptions countOptions = getWaitingEventsCountOptions(instanceId, waitingEventClass);
long count = 0;
List waitingEvents;
do {
waitingEvents = eventInstanceService.searchWaitingEvents(waitingEventClass, queryOptions);
count = eventInstanceService.getNumberOfWaitingEvents(waitingEventClass, countOptions);
deleteWaitingEvents(waitingEvents);
} while (count > waitingEvents.size());
}
private void deleteWaitingEvents(final List waitingEvents) throws SWaitingEventModificationException {
for (final SWaitingEvent sWaitingEvent : waitingEvents) {
eventInstanceService.deleteWaitingEvent(sWaitingEvent);
}
}
private QueryOptions getWaitingEventsCountOptions(final long instanceId, final Class waitingEventClass) {
final List filters = getFilterForWaitingEventsToInterrupt(instanceId, waitingEventClass);
return new QueryOptions(filters, null);
}
private QueryOptions getWaitingEventsQueryOptions(final long instanceId, final Class waitingEventClass) {
final OrderByOption orderByOption = new OrderByOption(waitingEventClass, BuilderFactory.get(SWaitingEventKeyProviderBuilderFactory.class).getIdKey(),
OrderByType.ASC);
final List filters = getFilterForWaitingEventsToInterrupt(instanceId, waitingEventClass);
return new QueryOptions(0, MAX_NUMBER_OF_RESULTS, Collections.singletonList(orderByOption), filters, null);
}
private List getFilterForWaitingEventsToInterrupt(final long instanceId, final Class waitingEventClass) {
final SWaitingEventKeyProviderBuilderFactory waitingEventKeyProvider = BuilderFactory.get(SWaitingEventKeyProviderBuilderFactory.class);
final List filters = new ArrayList(2);
filters.add(new FilterOption(waitingEventClass, waitingEventKeyProvider.getFlowNodeInstanceIdKey(), instanceId));
filters.add(new FilterOption(waitingEventClass, waitingEventKeyProvider.getActiveKey(), true));
return filters;
}
private void interruptTimerEvent(final SProcessDefinition processDefinition, final SCatchEventInstance catchEventInstance,
final SCatchEventDefinition catchEventDef) throws SSchedulerException {
// FIXME to support multiple events change this code
if (!catchEventDef.getTimerEventTriggerDefinitions().isEmpty()) {
final String jobName = JobNameBuilder.getTimerEventJobName(processDefinition.getId(), catchEventDef, catchEventInstance);
final boolean delete = schedulerService.delete(jobName);
if (!delete) {
if (logger.isLoggable(this.getClass(), TechnicalLogSeverity.WARNING)) {
logger.log(this.getClass(), TechnicalLogSeverity.WARNING, "No job found with name '" + jobName
+ "' when interrupting timer catch event named '" + catchEventDef.getName() + "' and id '" + catchEventInstance.getId()
+ "'. It was probably already triggered.");
}
}
}
}
}
