Package org.activiti.cdi.test

Source Code of org.activiti.cdi.test.CdiActivitiTestCase$InteruptTask

/* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.activiti.cdi.test;

import java.util.Timer;
import java.util.TimerTask;
import java.util.concurrent.Callable;

import javax.enterprise.inject.spi.BeanManager;

import org.activiti.cdi.BusinessProcess;
import org.activiti.cdi.impl.util.ProgrammaticBeanLookup;
import org.activiti.cdi.test.util.ProcessEngineLookupForTestsuite;
import org.activiti.engine.ActivitiException;
import org.activiti.engine.FormService;
import org.activiti.engine.HistoryService;
import org.activiti.engine.IdentityService;
import org.activiti.engine.ManagementService;
import org.activiti.engine.ProcessEngine;
import org.activiti.engine.RepositoryService;
import org.activiti.engine.RuntimeService;
import org.activiti.engine.TaskService;
import org.activiti.engine.impl.ProcessEngineImpl;
import org.activiti.engine.impl.cfg.ProcessEngineConfigurationImpl;
import org.activiti.engine.impl.jobexecutor.JobExecutor;
import org.activiti.engine.test.ActivitiRule;
import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.spec.JavaArchive;
import org.junit.Before;
import org.junit.Rule;
import org.junit.runner.RunWith;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
* Abstract base class for executing activiti-cdi tests in a Java SE
* environment, using Weld-SE.
*
* @author Daniel Meyer
*/
@RunWith(Arquillian.class)
public abstract class CdiActivitiTestCase {

  protected Logger logger = LoggerFactory.getLogger(getClass().getName());
   
  @Deployment
  public static JavaArchive createDeployment() {
   
    return ShrinkWrap.create(JavaArchive.class)
      .addPackages(true, "org.activiti.cdi")
      .addAsManifestResource("META-INF/beans.xml", "beans.xml");
  }
 
  @Rule
  public ActivitiRule activitiRule = new ActivitiRule(getBeanInstance(ProcessEngine.class));

  protected BeanManager beanManager;
 
  protected ProcessEngine processEngine;
  protected FormService formService;
  protected HistoryService historyService;
  protected IdentityService identityService;
  protected ManagementService managementService;
  protected RepositoryService repositoryService;
  protected RuntimeService runtimeService;
  protected TaskService taskService;
  protected ProcessEngineConfigurationImpl processEngineConfiguration;

  @Before
  public void setUp() throws Exception {   
   
    beanManager = ProgrammaticBeanLookup.lookup(BeanManager.class);
    processEngine = ProgrammaticBeanLookup.lookup(ProcessEngine.class);
    processEngineConfiguration = ((ProcessEngineImpl)ProcessEngineLookupForTestsuite.processEngine).getProcessEngineConfiguration();
    activitiRule.setProcessEngineConfiguration(processEngineConfiguration);
    formService = processEngine.getFormService();
    historyService = processEngine.getHistoryService();
    identityService = processEngine.getIdentityService();
    managementService = processEngine.getManagementService();
    repositoryService = processEngine.getRepositoryService();
    runtimeService = processEngine.getRuntimeService();
    taskService = processEngine.getTaskService();       
  }
 
  protected void endConversationAndBeginNew(String processInstanceId) {
    getBeanInstance(BusinessProcess.class).associateExecutionById(processInstanceId);
  }

  protected <T> T getBeanInstance(Class<T> clazz) {
    return ProgrammaticBeanLookup.lookup(clazz);
  }

  protected Object getBeanInstance(String name) {
    return ProgrammaticBeanLookup.lookup(name);
  }
 
  //////////////////////// copied from AbstractActivitiTestcase
 
  public void waitForJobExecutorToProcessAllJobs(long maxMillisToWait, long intervalMillis) {
    JobExecutor jobExecutor = processEngineConfiguration.getJobExecutor();
    jobExecutor.start();

    try {
      Timer timer = new Timer();
      InteruptTask task = new InteruptTask(Thread.currentThread());
      timer.schedule(task, maxMillisToWait);
      boolean areJobsAvailable = true;
      try {
        while (areJobsAvailable && !task.isTimeLimitExceeded()) {
          Thread.sleep(intervalMillis);
          areJobsAvailable = areJobsAvailable();
        }
      } catch (InterruptedException e) {
      } finally {
        timer.cancel();
      }
      if (areJobsAvailable) {
        throw new ActivitiException("time limit of " + maxMillisToWait + " was exceeded");
      }

    } finally {
      jobExecutor.shutdown();
    }
  }

  public void waitForJobExecutorOnCondition(long maxMillisToWait, long intervalMillis, Callable<Boolean> condition) {
    JobExecutor jobExecutor = processEngineConfiguration.getJobExecutor();
    jobExecutor.start();

    try {
      Timer timer = new Timer();
      InteruptTask task = new InteruptTask(Thread.currentThread());
      timer.schedule(task, maxMillisToWait);
      boolean conditionIsViolated = true;
      try {
        while (conditionIsViolated) {
          Thread.sleep(intervalMillis);
          conditionIsViolated = !condition.call();
        }
      } catch (InterruptedException e) {
      } catch (Exception e) {
        throw new ActivitiException("Exception while waiting on condition: "+e.getMessage(), e);
      } finally {
        timer.cancel();
      }
      if (conditionIsViolated) {
        throw new ActivitiException("time limit of " + maxMillisToWait + " was exceeded");
      }

    } finally {
      jobExecutor.shutdown();
    }
  }

  public boolean areJobsAvailable() {
    return !managementService
      .createJobQuery()
      .executable()
      .list()
      .isEmpty();
  }
 
  private static class InteruptTask extends TimerTask {
    protected boolean timeLimitExceeded = false;
    protected Thread thread;
    public InteruptTask(Thread thread) {
      this.thread = thread;
    }
    public boolean isTimeLimitExceeded() {
      return timeLimitExceeded;
    }
    public void run() {
      timeLimitExceeded = true;
      thread.interrupt();
    }
  }
}
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