jbpm学习笔记(1)_HELLOWorld

1,下载jbpm-jpdl-3.2.3

2,下载jbpm-starters-kit-3.1.2

3,我使用的是eclipse 3.4 

4,将jbpm-starters-kit-3.1.2/jbpm-designer/jbpm-gpd-feature/eclipse下的两个对应的目录文件copy到eclipse对应的目录下。

5,使用elipse 新建一个java project

6,给java工程导入如下包:

D:/My Documents/Downloads/jbpm-jpdl-suite-3.2.2/jbpm-jpdl-3.2.2/jbpm-jpdl.jar

D:/My Documents/Downloads/jbpm-jpdl-suite-3.2.2/jbpm-jpdl-3.2.2/jbpm-identity.jar

D:/My Documents/Downloads/jbpm-jpdl-suite-3.2.2/jbpm-jpdl-3.2.2/lib/dom4j.jar

D:/My Documents/Downloads/jbpm-jpdl-suite-3.2.2/jbpm-jpdl-3.2.2/lib/commons-logging.jar

 

7,入门例子:

 

package hello; import junit.framework.TestCase; import org.jbpm.graph.def.ProcessDefinition; import org.jbpm.graph.exe.ProcessInstance; import org.jbpm.graph.exe.Token; public class Hello extends TestCase { /** * 定义流程图 * @return */ private String definitionProcessStr(){ StringBuffer buffer = new StringBuffer(); buffer.append("<process-definition>");//流程定义节点开始 buffer.append("<start-state>");//start节点开始 buffer.append("<transition to='s' />");//start节点转移到s节点 buffer.append("</start-state>");//start节点结束 buffer.append("<state name='s'>");//s状态节点开始 buffer.append("<transition to='end' />");//s状态节点转移到end节点 buffer.append("</state>");//s状态节点结束 buffer.append("<end-state name='end' />");//end节点 buffer.append("</process-definition>");//流程定义结束 return buffer.toString(); } public void testHelloWorldProcess() { String str = definitionProcessStr(); //"流程定义" 对象 ProcessDefinition processDefinition = ProcessDefinition.parseXmlString(str); //"流程 " 对象 ProcessInstance processInstance = new ProcessInstance(processDefinition); //流程的主要执行路径 Token token = processInstance.getRootToken(); //流程对象 构造后,主要的执行路径(流程指针) 指向 开始 状态 assertSame(processDefinition.getStartState(), token.getNode()); //流程指针向下移动,也就是到达s节点 token.signal(); //断言流程到达s节点 assertSame(processDefinition.getNode("s"), token.getNode()); //流程指针向下移动,也就是到达end节点 token.signal(); //断言流程到达end节点 assertSame(processDefinition.getNode("end"), token.getNode()); } }