jbpm中的流程變數

package com.njupt.jbpm;import java.util.Map;import java.util.Set;import org.jbpm.api.Configuration;import org.jbpm.api.ExecutionService;import org.jbpm.api.ProcessEngine;import org.jbpm.api.ProcessInstance;import org.jbpm.api.TaskService;import org.junit.Test;public class ProcessVariableTest {private ProcessEngine processEngine = Configuration.getProcessEngine();private ExecutionService executionService = processEngine.getExecutionService();private TaskService taskService = processEngine.getTaskService();// 啟動流程執行個體@Testpublic void testStartProcessInstance() throws Exception {ProcessInstance pi = processEngine.getExecutionService().startProcessInstanceByKey("test");System.out.println("id=" + pi.getId() + ", processDefinitionId=" + pi.getProcessDefinitionId());}// 設定流程變數@Testpublic void testSetVariable() throws Exception {String executionId = "test.110001";// processEngine.getExecutionService().setVariable(executionId, "請假天數", new Integer(3));Form form = new Form();form.setId(1L); // 通過設定id讓其與資料庫中的id為1的記錄對應form.setTitle("張三要請假3天");processEngine.getExecutionService().setVariable(executionId, "form", form);// 通過Execution設定流程變數// executionService.setVariable(executionId, name, value); // 設定一個// executionService.setVariables(executionId, variablesMap); // 設定多個// 通過Task設定流程變數// taskService.setVariables(taskId, variablesMap); // 設定多個// 在啟動流程執行個體時，同時設定一些流程變數// executionService.startProcessInstanceByKey(key);// executionService.startProcessInstanceByKey(key, variablesMap);// 在完成任務時，同時設定一些流程變數// taskService.completeTask(taskId);// taskService.completeTask(taskId, variablesMap);}// 擷取流程變數@Testpublic void testGetVariable() throws Exception {String executionId = "test.110001";// Integer days = (Integer) processEngine.getExecutionService().getVariable(executionId, "請假天數");// System.out.println("請假天數 = " + days);Form form = (Form) processEngine.getExecutionService().getVariable(executionId, "form");System.out.println(form);// // 通過Execution擷取流程變數// Object value = executionService.getVariable(executionId, variableName); // 擷取一個// Set<String> namesSet = executionService.getVariableNames(executionId); // 擷取所有變數的名稱// Map<String, Object> map = executionService.getVariables(executionId, variableNamesSet); // 擷取多個// 通過Task擷取流程變數// taskService.getVariable(taskId, variableName);// taskService.getVariableNames(taskId);// taskService.getVariables(taskId, variableNames);}}