* 配置开始事件.
*/
public void processStartEvent(Node node, BpmnModel bpmnModel, int priority,
BpmConfBase bpmConfBase) {
BpmConfNodeManager bpmConfNodeManager = getBpmConfNodeManager();
BpmConfNode bpmConfNode = bpmConfNodeManager.findUnique(
"from BpmConfNode where code=? and bpmConfBase=?",
node.getId(), bpmConfBase);
if (bpmConfNode == null) {
bpmConfNode = new BpmConfNode();