package org.activiti.designer.property; import org.activiti.bpmn.model.ErrorEventDefinition; import org.activiti.bpmn.model.StartEvent; import org.activiti.bpmn.model.alfresco.AlfrescoStartEvent; import org.activiti.designer.util.property.ActivitiPropertyFilter; import org.eclipse.graphiti.mm.pictograms.PictogramElement; public class PropertyErrorStartEventFilter extends ActivitiPropertyFilter { @Override protected boolean accept(PictogramElement pe) { Object bo = getBusinessObject(pe); if (bo instanceof StartEvent && bo instanceof AlfrescoStartEvent == false) { if (((StartEvent) bo).getEventDefinitions().size() > 0) { if(((StartEvent) bo).getEventDefinitions().get(0) instanceof ErrorEventDefinition) { return true; } } } return false; } }