workflowService in Alfresco 5

svar0g — Thu, 14 May 2015 04:54:53 GMT

I want make workflow report. In page http://ecmarchitect.com/archives/2010/12/20/1228 read code.[java]WorkflowTaskQuery tasksQuery = new WorkflowTaskQuery();Map<QName, Object> processCustomProps = new HashMap<QName, Object>();processCustomProps.put(SomeCoWorkflowModel.PROP_RELATED_SITE_I

Re: workflowService in Alfresco 5

mrogers — Thu, 14 May 2015 13:16:02 GMT

Workflow service should be fine in 5.0 but you may want to use activity (not jbpm) for the task id.

SomeCoWorkflowModel being missing is not an Alfresco problem.

Re: workflowService in Alfresco 5

svar0g — Fri, 22 May 2015 11:51:56 GMT

This code good compiled.


package org.example;

import java.io.Serializable;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

import org.alfresco.repo.model.Repository;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.workflow.WorkflowService;
import org.alfresco.service.cmr.workflow.WorkflowTask;
import org.alfresco.service.cmr.workflow.WorkflowTaskQuery;
import org.alfresco.service.cmr.workflow.WorkflowTaskState;
import org.springframework.extensions.webscripts.Cache;
import org.springframework.extensions.webscripts.DeclarativeWebScript;
import org.springframework.extensions.webscripts.Status;
import org.springframework.extensions.webscripts.WebScriptException;
import org.springframework.extensions.webscripts.WebScriptRequest;



import antlr.collections.List;

public class NodeWebScript extends DeclarativeWebScript {

   private Repository repository;

   public void setRepository(Repository repository) {
      this.repository = repository;
   }
   
   

   

   
   private WorkflowService getWorkflowService()

    {

        return this.getWorkflowService();

    }
   
   
   
   protected Map<String, Object> executeImpl(WebScriptRequest req,
         Status status, Cache cache) {
      WorkflowTaskQuery query1 = new WorkflowTaskQuery();
      query1.setActive(null);
      query1.setTaskState(WorkflowTaskState.COMPLETED);
      
      
      java.util.List<WorkflowTask> completedTasks = getWorkflowService().queryTasks(query1, false);
      Map<String, Object> model = new HashMap<String, Object>();
      model.put("test", completedTasks);
      return model;
   }
}
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But it does not work
cat alfresco.log


2015-05-22 12:55:58,457 ERROR [org.springframework.extensions.webscripts.AbstractRuntime] [http-bio-443-exec-5] Exception from executeScript - redirecting to status template error: 04220001 Wrapped Exception (with status template): null
org.springframework.extensions.webscripts.WebScriptException: 04220001 Wrapped Exception (with status template): null
        at org.springframework.extensions.webscripts.AbstractWebScript.createStatusException(AbstractWebScript.java:1127)
        at org.springframework.extensions.webscripts.DeclarativeWebScript.execute(DeclarativeWebScript.java:171)
        at org.alfresco.repo.web.scripts.RepositoryContainer$3.execute(RepositoryContainer.java:489)
        at org.alfresco.repo.transaction.RetryingTransactionHelper.doInTransaction(RetryingTransactionHelper.java:457)
        at org.alfresco.repo.web.scripts.RepositoryContainer.transactionedExecute(RepositoryContainer.java:551)
        at org.alfresco.repo.web.scripts.RepositoryContainer.transactionedExecuteAs(RepositoryContainer.java:619)
        at org.alfresco.repo.web.scripts.RepositoryContainer.executeScriptInternal(RepositoryContainer.java:399)
        at org.alfresco.repo.web.scripts.RepositoryContainer.executeScript(RepositoryContainer.java:280)
        at org.springframework.extensions.webscripts.AbstractRuntime.executeScript(AbstractRuntime.java:378)
        at org.springframework.extensions.webscripts.AbstractRuntime.executeScript(AbstractRuntime.java:209)
        at org.springframework.extensions.webscripts.servlet.WebScriptServlet.service(WebScriptServlet.java:132)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.alfresco.web.app.servlet.GlobalLocalizationFilter.doFilter(GlobalLocalizationFilter.java:61)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421)
        at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1074)
        at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
        at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.StackOverflowError
        at org.example.NodeWebScript.getWorkflowService(NodeWebScript.java:40)
        at org.example.NodeWebScript.getWorkflowService(NodeWebScript.java:40)
        at org.example.NodeWebScript.getWorkflowService(NodeWebScript.java:40)
        at org.example.NodeWebScript.getWorkflowService(NodeWebScript.java:40)
        at org.example.NodeWebScript.getWorkflowService(NodeWebScript.java:40)
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Help pls.

Re: workflowService in Alfresco 5

gravitonian — Tue, 26 May 2015 07:36:22 GMT

Method getWorkflowService recurs infinitely. Inject the Workflow Service via Spring and then use it:

Spring context:


   <bean id="webscript.xxxxxxxxxxx.get"
        class="xxxxxxxxxxxxxx.XXXWebScript"
        parent="webscript">
      <property name="workflowService"><ref bean="workflowServiceImpl" /></property>
   </bean>
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Use it in the implementation:


    private WorkflowService workflowService;

    public void setWorkflowService(WorkflowService workflowService) {
        this.workflowService = workflowService;
    }


    protected Map<String, Object> executeImpl(WebScriptRequest req,
                                              Status status, Cache cache) {
        WorkflowTaskQuery query1 = new WorkflowTaskQuery();
        query1.setActive(null);
        query1.setTaskState(WorkflowTaskState.COMPLETED);

        java.util.List<WorkflowTask> completedTasks = workflowService.queryTasks(query1, false);
        Map<String, Object> model = new HashMap<String, Object>();
        model.put("test", completedTasks);

        return model;
    }
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workflowService in Alfresco 5

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