![[PukiWiki]](image/pukiwiki.png "[PukiWiki]")
※以下のTipsは jBPM Ver.6.0.1（コミュニティ版）で調査したものです
//このやり方で一応取得できるようですが、もっと簡単な方法がないのだろうか…
public Map<String, Object> getTaskVariable(KieSession ksession,
TaskService taskService, TaskSummary task) {
Task t = taskService.getTaskById(task.getId());
TaskData td = t.getTaskData();
long contentId = td.getDocumentContentId();
Content content = taskService.getContentById(contentId);
byte[] contBytes = content.getContent();
Environment env = ksession.getEnvironment();
@SuppressWarnings("unchecked")
Map<String, Object> data = (Map<String, Object>)
ContentMarshallerHelper.unmarshall(contBytes,env);
return data;
}
・ioSpecification ・dataInputAssociation ・dataOutputAssociation
public long getWorkItemIdFromTask(TaskService taskService, TaskSummary task) {
Task t = taskService.getTaskById(task.getId());
TaskData td = t.getTaskData();
long wid = td.getWorkItemId();
return wid;
}@SuppressWarnings("restriction")
private void dispHumanTaskWorkItem(ProcessInstance processInstance, long tid){
WorkflowProcessInstance wpi = (WorkflowProcessInstance) processInstance;
NodeInstance ni = wpi.getNodeInstance(tid);
if ( ni instanceof HumanTaskNodeInstance ) {
HumanTaskNodeInstance htni = (HumanTaskNodeInstance) ni;
WorkItem wi = htni.getWorkItem();
System.out.println("wi=" + wi.toString());
} else {
System.out.println("Not Human Task error");
}
} @SuppressWarnings("restriction")
private void dispHumanTaskParams(ProcessInstance processInstance) {
System.out.println("WorkItemによるparameter表示開始");
WorkflowProcessInstance wpi = (WorkflowProcessInstance) processInstance;
Collection<NodeInstance> ndis = wpi.getNodeInstances();
for( NodeInstance ni : ndis) {
if ( ni instanceof HumanTaskNodeInstance ) {
HumanTaskNodeInstance htni = (HumanTaskNodeInstance) ni;
WorkItem wi = htni.getWorkItem();
Map<String,Object> prms = wi.getParameters();
for (String key : prms.keySet()) {
System.out.println(key + " = " + prms.get(key));
}
// 試しにこんなふうに パラメータ値をいじってもWorkItemの持っているハッシュ値が変わるだけであって、
// 実際にタスク定義している値には反映されない模様
WorkItemImpl wip = (WorkItemImpl)wi;
wip.setParameter("GroupId", "admins"); // グループIDが変えられるかと思ったが、できず
wip.setParameter("input1", "modified value"); // タスク変数の値を修正してみたが、反映されず
//htni.setVariable("GroupId", "admins"); // これはKnowledgeRuntimeがnullで例外になります
}
}
System.out.println("WorkItemによる表示終了");
}package org.jbpm.services.task.internals.rule;
import java.util.List;
import org.kie.api.task.model.Group;
import org.kie.api.task.model.OrganizationalEntity;
import org.kie.api.task.model.Task;
import org.kie.internal.task.api.TaskModelProvider;
import org.kie.internal.task.api.model.InternalOrganizationalEntity;
public class AssignmentService {
public void assignTask(Task task) {
List<OrganizationalEntity> potentialOwners = task.getPeopleAssignments().getPotentialOwners();
potentialOwners.clear();
Group group = TaskModelProvider.getFactory().newGroup();
((InternalOrganizationalEntity) group).setId("Crusaders");
potentialOwners.add(group);
}
}#{processVar}SynchronizedTaskService＞InternalTaskService＞TaskService
at org.jbpm.services.task.internals.lifecycle. MVELLifeCycleManager.evalCommand(MVELLifeCycleManager.java:98) at org.jbpm.services.task.internals.lifecycle. MVELLifeCycleManager.taskOperation(MVELLifeCycleManager.java:322) at org.jbpm.services.task.identity. UserGroupLifeCycleManagerDecorator.taskOperation(UserGroupLifeCycleManagerDecorator.java:46) at org.jbpm.services.task.impl.TaskInstanceServiceImpl.claim(TaskInstanceServiceImpl.java:117) at org.jbpm.services.task.commands.ClaimTaskCommand.execute(ClaimTaskCommand.java:51) at org.jbpm.services.task.commands.ClaimTaskCommand.execute(ClaimTaskCommand.java:33) at org.jbpm.services.task.commands. TaskCommandExecutorImpl$SelfExecutionCommandService.execute(TaskCommandExecutorImpl.java:65) at org.drools.core.command.impl.AbstractInterceptor.executeNext(AbstractInterceptor.java:41) at org.jbpm.services.task.persistence.TaskTransactionInterceptor.execute(TaskTransactionInterceptor.java:54) at org.jbpm.services.task.commands. TaskCommandExecutorImpl.execute(TaskCommandExecutorImpl.java:40) at org.jbpm.services.task.impl.command.CommandBasedTaskService.claim(CommandBasedTaskService.java:136) at org.jbpm.runtime.manager.impl.task.SynchronizedTaskService.claim(SynchronizedTaskService.java:100) at com.sample.ProcessTest.testProcess(ProcessTest.java:97)
org.jbpm.services.task.exception.PermissionDeniedException: User '[UserImpl:'mary']' does not have permissions to execution operation 'Start' on task id 1
