org.activiti.engine.impl.bpmn.parser.handler.ProcessParseHandler 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.bpmn.parser.handler;
import org.activiti.bpmn.model.Process;
import org.activiti.bpmn.model.*;
import org.activiti.engine.delegate.event.ActivitiEventType;
import org.activiti.engine.delegate.event.impl.ActivitiEventSupport;
import org.activiti.engine.impl.bpmn.parser.BpmnParse;
import org.activiti.engine.impl.context.Context;
import org.activiti.engine.impl.persistence.entity.ProcessDefinitionEntity;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.List;
/**
*/
public class ProcessParseHandler extends AbstractBpmnParseHandler {
private static final Logger LOGGER = LoggerFactory.getLogger(ProcessParseHandler.class);
public static final String PROPERTYNAME_DOCUMENTATION = "documentation";
public Class getHandledType() {
return Process.class;
}
protected void executeParse(BpmnParse bpmnParse, Process process) {
if (process.isExecutable() == false) {
LOGGER.info("Ignoring non-executable process with id='" + process.getId() + "'. Set the attribute isExecutable=\"true\" to deploy this process.");
} else {
bpmnParse.getProcessDefinitions().add(transformProcess(bpmnParse, process));
}
}
protected ProcessDefinitionEntity transformProcess(BpmnParse bpmnParse, Process process) {
ProcessDefinitionEntity currentProcessDefinition = Context.getCommandContext().getProcessDefinitionEntityManager().create();
bpmnParse.setCurrentProcessDefinition(currentProcessDefinition);
/*
* Mapping object model - bpmn xml: processDefinition.id -> generated by activiti engine processDefinition.key -> bpmn id (required) processDefinition.name -> bpmn name (optional)
*/
currentProcessDefinition.setKey(process.getId());
currentProcessDefinition.setName(process.getName());
currentProcessDefinition.setCategory(bpmnParse.getBpmnModel().getTargetNamespace());
currentProcessDefinition.setDescription(process.getDocumentation());
currentProcessDefinition.setDeploymentId(bpmnParse.getDeployment().getId());
if (bpmnParse.getDeployment().getEngineVersion() != null) {
currentProcessDefinition.setEngineVersion(bpmnParse.getDeployment().getEngineVersion());
}
createEventListeners(bpmnParse, process.getEventListeners());
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("Parsing process {}", currentProcessDefinition.getKey());
}
bpmnParse.processFlowElements(process.getFlowElements());
processArtifacts(bpmnParse, process.getArtifacts());
return currentProcessDefinition;
}
protected void createEventListeners(BpmnParse bpmnParse, List eventListeners) {
if (eventListeners != null && !eventListeners.isEmpty()) {
for (EventListener eventListener : eventListeners) {
// Extract specific event-types (if any)
ActivitiEventType[] types = ActivitiEventType.getTypesFromString(eventListener.getEvents());
if (ImplementationType.IMPLEMENTATION_TYPE_CLASS.equals(eventListener.getImplementationType())) {
getEventSupport(bpmnParse.getBpmnModel()).addEventListener(bpmnParse.getListenerFactory().createClassDelegateEventListener(eventListener), types);
} else if (ImplementationType.IMPLEMENTATION_TYPE_DELEGATEEXPRESSION.equals(eventListener.getImplementationType())) {
getEventSupport(bpmnParse.getBpmnModel()).addEventListener(bpmnParse.getListenerFactory().createDelegateExpressionEventListener(eventListener), types);
} else if (ImplementationType.IMPLEMENTATION_TYPE_THROW_SIGNAL_EVENT.equals(eventListener.getImplementationType())
|| ImplementationType.IMPLEMENTATION_TYPE_THROW_GLOBAL_SIGNAL_EVENT.equals(eventListener.getImplementationType())
|| ImplementationType.IMPLEMENTATION_TYPE_THROW_MESSAGE_EVENT.equals(eventListener.getImplementationType())
|| ImplementationType.IMPLEMENTATION_TYPE_THROW_ERROR_EVENT.equals(eventListener.getImplementationType())) {
getEventSupport(bpmnParse.getBpmnModel()).addEventListener(bpmnParse.getListenerFactory().createEventThrowingEventListener(eventListener), types);
} else {
LOGGER.warn("Unsupported implementation type for EventListener: " + eventListener.getImplementationType() + " for element " + bpmnParse.getCurrentFlowElement().getId());
}
}
}
}
protected ActivitiEventSupport getEventSupport(BpmnModel bpmnModel) {
return (ActivitiEventSupport) bpmnModel.getEventSupport();
}
}