org.activiti.engine.impl.jobexecutor.TimerStartEventJobHandler Maven / Gradle / Ivy
/* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.activiti.engine.impl.jobexecutor;
import org.activiti.bpmn.model.FlowElement;
import org.activiti.engine.ActivitiException;
import org.activiti.engine.delegate.event.ActivitiEventType;
import org.activiti.engine.delegate.event.impl.ActivitiEventBuilder;
import org.activiti.engine.impl.cmd.StartProcessInstanceCmd;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.entity.ExecutionEntity;
import org.activiti.engine.impl.persistence.entity.JobEntity;
import org.activiti.engine.impl.persistence.entity.ProcessDefinitionEntity;
import org.activiti.engine.impl.util.ProcessDefinitionUtil;
import org.activiti.engine.impl.util.ProcessInstanceHelper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class TimerStartEventJobHandler extends TimerEventHandler implements JobHandler {
private static Logger log = LoggerFactory.getLogger(TimerStartEventJobHandler.class);
public static final String TYPE = "timer-start-event";
public String getType() {
return TYPE;
}
public void execute(JobEntity job, String configuration, ExecutionEntity execution, CommandContext commandContext) {
ProcessDefinitionEntity processDefinitionEntity = ProcessDefinitionUtil
.getProcessDefinitionFromDatabase(job.getProcessDefinitionId()); // From DB -> need to get latest suspended state
if (processDefinitionEntity == null) {
throw new ActivitiException("Could not find process definition needed for timer start event");
}
try {
if (!processDefinitionEntity.isSuspended()) {
if (commandContext.getEventDispatcher().isEnabled()) {
commandContext.getEventDispatcher().dispatchEvent(ActivitiEventBuilder.createEntityEvent(ActivitiEventType.TIMER_FIRED, job));
}
// Find initial flow element matching the signal start event
org.activiti.bpmn.model.Process process = ProcessDefinitionUtil.getProcess(job.getProcessDefinitionId());
String activityId = TimerEventHandler.getActivityIdFromConfiguration(configuration);
if (activityId != null) {
FlowElement flowElement = process.getFlowElement(activityId, true);
if (flowElement == null) {
throw new ActivitiException("Could not find matching FlowElement for activityId " + activityId);
}
ProcessInstanceHelper processInstanceHelper = commandContext.getProcessEngineConfiguration().getProcessInstanceHelper();
processInstanceHelper.createAndStartProcessInstanceWithInitialFlowElement(processDefinitionEntity, null, null, flowElement, process, null, null, true);
} else {
new StartProcessInstanceCmd(processDefinitionEntity.getKey(), null, null, null, job.getTenantId()).execute(commandContext);
}
} else {
log.debug("ignoring timer of suspended process definition {}", processDefinitionEntity.getName());
}
} catch (RuntimeException e) {
log.error("exception during timer execution", e);
throw e;
} catch (Exception e) {
log.error("exception during timer execution", e);
throw new ActivitiException("exception during timer execution: " + e.getMessage(), e);
}
}
}