org.activiti.engine.impl.agenda.TriggerExecutionOperation Maven / Gradle / Ivy
package org.activiti.engine.impl.agenda;
import org.activiti.bpmn.model.BoundaryEvent;
import org.activiti.bpmn.model.FlowElement;
import org.activiti.bpmn.model.FlowNode;
import org.activiti.engine.ActivitiException;
import org.activiti.engine.impl.delegate.ActivityBehavior;
import org.activiti.engine.impl.delegate.TriggerableActivityBehavior;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.entity.ExecutionEntity;
/**
* Operation that triggers a wait state and continues the process, leaving that activity.
*
* The {@link ExecutionEntity} for this operations should be in a wait state (receive task for example)
* and have a {@link FlowElement} that has a behaviour that implements the {@link TriggerableActivityBehavior}.
*
*/
public class TriggerExecutionOperation extends AbstractOperation {
public TriggerExecutionOperation(CommandContext commandContext, ExecutionEntity execution) {
super(commandContext, execution);
}
@Override
public void run() {
FlowElement currentFlowElement = getCurrentFlowElement(execution);
if (currentFlowElement instanceof FlowNode) {
ActivityBehavior activityBehavior = (ActivityBehavior) ((FlowNode) currentFlowElement).getBehavior();
if (activityBehavior instanceof TriggerableActivityBehavior) {
if (currentFlowElement instanceof BoundaryEvent) {
commandContext.getHistoryManager().recordActivityStart(execution);
}
((TriggerableActivityBehavior) activityBehavior).trigger(execution, null, null);
if (currentFlowElement instanceof BoundaryEvent) {
commandContext.getHistoryManager().recordActivityEnd(execution, null);
}
} else {
throw new ActivitiException("Invalid behavior: " + activityBehavior + " should implement " + TriggerableActivityBehavior.class.getName());
}
} else {
throw new ActivitiException("Programmatic error: no current flow element found or invalid type: " + currentFlowElement + ". Halting.");
}
}
}