Jbpm中State和Node的区别
state
State等待状态。进入这种状态,整个业务程序实例的执行就会中断。直到系统外参与者发起继续执行的命令,即调用signal方法,业务程序实例的执行才能够继续下去。
NodeNode
节点状态。当业务程序实例执行到这个节点,不会停止执行。而是会继续往下执行。如果存在该节点存在多个离开转向。那么,就会执行其中的第一个离开转向,在Node状态中,不需要外部参与者的参与,业务流程的这个部分是自动的、即时完成的。
processdefinition.xml
<?xml version="1.0" encoding="UTF-8"?><process-definition xmlns="urn:jbpm.org:jpdl-3.1" name="example_7"> <start-state name="start"> <transition name="tr1" to="state"></transition> <transition name="tr2" to="node"></transition> </start-state> <state name="state"> <transition name="" to="end"></transition> </state> <node name="node"> <transition name="" to="end"></transition> </node> <end-state name="end"></end-state></process-definition>
测试(JUnit)
package com.sample;import static org.junit.Assert.assertEquals;import org.jbpm.graph.def.ProcessDefinition;import org.jbpm.graph.exe.ProcessInstance;import org.jbpm.graph.exe.Token;import org.junit.Before;import org.junit.Test;public class Example7 ...{ private ProcessDefinition processDefinition = null; @Before public void init()...{ processDefinition = ProcessDefinition.parseXmlResource("example_7/processdefinition.xml"); } @Test public void processState()...{ ProcessInstance ProcessInstance = new ProcessInstance(processDefinition); Token token = ProcessInstance.getRootToken(); assertEquals("start", token.getNode().getName()); token.signal(); assertEquals("state", token.getNode().getName()); token.signal(); assertEquals("end", token.getNode().getName()); } @Test public void processNode()...{ ProcessInstance ProcessInstance = new ProcessInstance(processDefinition); Token token = ProcessInstance.getRootToken(); assertEquals("start", token.getNode().getName()); token.signal("tr2"); assertEquals("end", token.getNode().getName()); }}
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