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/* 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.engine.impl.test;
import org.activiti.engine.ActivitiException;
import org.activiti.engine.ManagementService;
import org.activiti.engine.ProcessEngineConfiguration;
import org.activiti.engine.impl.asyncexecutor.AsyncExecutor;
import org.activiti.engine.test.ActivitiRule;
import java.util.Timer;
import java.util.TimerTask;
import java.util.concurrent.Callable;
/**
*/
// This helper class helps sharing the same code for jobExecutor test helpers,
// between Junit3 and junit 4 test support classes
public class JobTestHelper {
public static void waitForJobExecutorToProcessAllJobs(ActivitiRule activitiRule, long maxMillisToWait, long intervalMillis) {
waitForJobExecutorToProcessAllJobs(activitiRule.getProcessEngine().getProcessEngineConfiguration(), activitiRule.getManagementService(), maxMillisToWait, intervalMillis);
}
public static void waitForJobExecutorToProcessAllJobs(ProcessEngineConfiguration processEngineConfiguration, ManagementService managementService, long maxMillisToWait, long intervalMillis) {
waitForJobExecutorToProcessAllJobs(processEngineConfiguration, managementService, maxMillisToWait, intervalMillis, true);
}
public static void waitForJobExecutorToProcessAllJobs(ProcessEngineConfiguration processEngineConfiguration, ManagementService managementService, long maxMillisToWait, long intervalMillis,
boolean shutdownExecutorWhenFinished) {
AsyncExecutor asyncExecutor = processEngineConfiguration.getAsyncExecutor();
asyncExecutor.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);
try {
areJobsAvailable = areJobsAvailable(managementService);
} catch (Throwable t) {
// Ignore, possible that exception occurs due to locking/updating of table on MSSQL when
// isolation level doesn't allow READ of the table
}
}
} catch (InterruptedException e) {
// ignore
} finally {
timer.cancel();
}
if (areJobsAvailable) {
throw new ActivitiException("time limit of " + maxMillisToWait + " was exceeded");
}
} finally {
if (shutdownExecutorWhenFinished) {
asyncExecutor.shutdown();
}
}
}
public static void waitForJobExecutorToProcessAllJobsAndExecutableTimerJobs(ProcessEngineConfiguration processEngineConfiguration, ManagementService managementService, long maxMillisToWait, long intervalMillis) {
waitForJobExecutorToProcessAllJobsAndExecutableTimerJobs(processEngineConfiguration, managementService, maxMillisToWait, intervalMillis, true);
}
public static void waitForJobExecutorToProcessAllJobsAndExecutableTimerJobs(ProcessEngineConfiguration processEngineConfiguration, ManagementService managementService, long maxMillisToWait, long intervalMillis,
boolean shutdownExecutorWhenFinished) {
AsyncExecutor asyncExecutor = processEngineConfiguration.getAsyncExecutor();
asyncExecutor.start();
processEngineConfiguration.setAsyncExecutorActivate(true);
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);
try {
areJobsAvailable = areJobsOrExecutableTimersAvailable(managementService);
} catch (Throwable t) {
// Ignore, possible that exception occurs due to locking/updating of table on MSSQL when
// isolation level doesn't allow READ of the table
}
}
} catch (InterruptedException e) {
// ignore
} finally {
timer.cancel();
}
if (areJobsAvailable) {
throw new ActivitiException("time limit of " + maxMillisToWait + " was exceeded");
}
} finally {
if (shutdownExecutorWhenFinished) {
processEngineConfiguration.setAsyncExecutorActivate(false);
asyncExecutor.shutdown();
}
}
}
public static void waitForJobExecutorOnCondition(ActivitiRule activitiRule, long maxMillisToWait, long intervalMillis, Callable condition) {
waitForJobExecutorOnCondition(activitiRule.getProcessEngine().getProcessEngineConfiguration(), maxMillisToWait, intervalMillis, condition);
}
public static void waitForJobExecutorOnCondition(ProcessEngineConfiguration processEngineConfiguration, long maxMillisToWait, long intervalMillis, Callable condition) {
AsyncExecutor asyncExecutor = processEngineConfiguration.getAsyncExecutor();
asyncExecutor.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) {
// ignore
} 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 {
asyncExecutor.shutdown();
}
}
public static void executeJobExecutorForTime(ActivitiRule activitiRule, long maxMillisToWait, long intervalMillis) {
executeJobExecutorForTime(activitiRule.getProcessEngine().getProcessEngineConfiguration(), maxMillisToWait, intervalMillis);
}
public static void executeJobExecutorForTime(ProcessEngineConfiguration processEngineConfiguration, long maxMillisToWait, long intervalMillis) {
AsyncExecutor asyncExecutor = processEngineConfiguration.getAsyncExecutor();
asyncExecutor.start();
try {
Timer timer = new Timer();
InteruptTask task = new InteruptTask(Thread.currentThread());
timer.schedule(task, maxMillisToWait);
try {
while (!task.isTimeLimitExceeded()) {
Thread.sleep(intervalMillis);
}
} catch (InterruptedException e) {
// ignore
} finally {
timer.cancel();
}
} finally {
asyncExecutor.shutdown();
}
}
public static boolean areJobsAvailable(ActivitiRule activitiRule) {
return areJobsAvailable(activitiRule.getManagementService());
}
public static boolean areJobsAvailable(ManagementService managementService) {
return !managementService.createJobQuery().list().isEmpty();
}
public static boolean areJobsOrExecutableTimersAvailable(ManagementService managementService) {
boolean emptyJobs = managementService.createJobQuery().list().isEmpty();
if (emptyJobs) {
return !managementService.createTimerJobQuery().executable().list().isEmpty();
} else {
return true;
}
}
private static class InteruptTask extends TimerTask {
protected boolean timeLimitExceeded;
protected Thread thread;
public InteruptTask(Thread thread) {
this.thread = thread;
}
public boolean isTimeLimitExceeded() {
return timeLimitExceeded;
}
public void run() {
timeLimitExceeded = true;
thread.interrupt();
}
}
}
