public void executeTask() throws Exception {
final PooledOfficeManagerSettings settings = new PooledOfficeManagerSettings(CONNECTION_MODE);
settings.setProcessManager(OfficeUtils.findBestProcessManager());
final PooledOfficeManager officeManager = new PooledOfficeManager(settings);
ManagedOfficeProcess managedOfficeProcess =
(ManagedOfficeProcess)
FieldUtils.readDeclaredField(officeManager, "managedOfficeProcess", true);
OfficeProcess process =
(OfficeProcess) FieldUtils.readDeclaredField(managedOfficeProcess, "process", true);
OfficeConnection connection =
(OfficeConnection) FieldUtils.readDeclaredField(managedOfficeProcess, "connection", true);
try {
officeManager.start();
assertTrue(process.isRunning());
assertTrue(connection.isConnected());
MockOfficeTask task = new MockOfficeTask();
officeManager.execute(task);
assertTrue(task.isCompleted());
} finally {
officeManager.stop();
assertFalse(connection.isConnected());
assertFalse(process.isRunning());
assertEquals(process.getExitCode(0, 0), 0);
}
}
public void restartAfterCrash() throws Exception {
final PooledOfficeManagerSettings settings = new PooledOfficeManagerSettings(CONNECTION_MODE);
settings.setProcessManager(OfficeUtils.findBestProcessManager());
final PooledOfficeManager officeManager = new PooledOfficeManager(settings);
ManagedOfficeProcess managedOfficeProcess =
(ManagedOfficeProcess)
FieldUtils.readDeclaredField(officeManager, "managedOfficeProcess", true);
OfficeProcess process =
(OfficeProcess) FieldUtils.readDeclaredField(managedOfficeProcess, "process", true);
OfficeConnection connection =
(OfficeConnection) FieldUtils.readDeclaredField(managedOfficeProcess, "connection", true);
assertNotNull(connection);
try {
officeManager.start();
assertTrue(process.isRunning());
assertTrue(connection.isConnected());
new Thread() {
public void run() {
MockOfficeTask badTask = new MockOfficeTask(10 * 1000);
try {
officeManager.execute(badTask);
fail("task should be cancelled");
// FIXME being in a separate thread the test won't actually fail
} catch (OfficeException officeEx) {
assertTrue(officeEx.getCause() instanceof CancellationException);
}
}
}.start();
Thread.sleep(500);
Process underlyingProcess = (Process) FieldUtils.readDeclaredField(process, "process", true);
assertNotNull(underlyingProcess);
logger.debug("Simulating the crash");
underlyingProcess.destroy(); // simulate crash
Thread.sleep(RESTART_WAIT_TIME);
assertTrue(process.isRunning());
assertTrue(connection.isConnected());
MockOfficeTask goodTask = new MockOfficeTask();
officeManager.execute(goodTask);
assertTrue(goodTask.isCompleted());
} finally {
officeManager.stop();
assertFalse(connection.isConnected());
assertFalse(process.isRunning());
assertEquals(process.getExitCode(0, 0), 0);
}
}
public void execute(final OfficeTask task) throws OfficeException {
Future<?> futureTask =
taskExecutor.submit(
new Runnable() {
public void run() {
if (settings.getMaxTasksPerProcess() > 0
&& ++taskCount == settings.getMaxTasksPerProcess() + 1) {
logger.info(
String.format(
"reached limit of %d maxTasksPerProcess: restarting",
settings.getMaxTasksPerProcess()));
taskExecutor.setAvailable(false);
stopping = true;
managedOfficeProcess.restartAndWait();
// FIXME taskCount will be 0 rather than 1 at this point
}
task.execute(managedOfficeProcess.getConnection());
}
});
currentTask = futureTask;
try {
futureTask.get(settings.getTaskExecutionTimeout(), TimeUnit.MILLISECONDS);
} catch (TimeoutException timeoutException) {
managedOfficeProcess.restartDueToTaskTimeout();
throw new OfficeException("task did not complete within timeout", timeoutException);
} catch (ExecutionException executionException) {
if (executionException.getCause() instanceof OfficeException) {
throw (OfficeException) executionException.getCause();
} else {
throw new OfficeException("task failed", executionException.getCause());
}
} catch (Exception exception) {
throw new OfficeException("task failed", exception);
}
}
public void restartAfterTaskTimeout() throws Exception {
final PooledOfficeManagerSettings settings = new PooledOfficeManagerSettings(CONNECTION_MODE);
settings.setProcessManager(OfficeUtils.findBestProcessManager());
settings.setTaskExecutionTimeout(1500L);
final PooledOfficeManager officeManager = new PooledOfficeManager(settings);
ManagedOfficeProcess managedOfficeProcess =
(ManagedOfficeProcess)
FieldUtils.readDeclaredField(officeManager, "managedOfficeProcess", true);
OfficeProcess process =
(OfficeProcess) FieldUtils.readDeclaredField(managedOfficeProcess, "process", true);
OfficeConnection connection =
(OfficeConnection) FieldUtils.readDeclaredField(managedOfficeProcess, "connection", true);
assertNotNull(connection);
try {
officeManager.start();
assertTrue(process.isRunning());
assertTrue(connection.isConnected());
MockOfficeTask task = new MockOfficeTask(2000);
try {
officeManager.execute(task);
fail("task should be timed out");
} catch (OfficeException officeEx) {
assertTrue(officeEx.getCause() instanceof TimeoutException);
}
Thread.sleep(RESTART_WAIT_TIME);
assertTrue(process.isRunning());
assertTrue(connection.isConnected());
MockOfficeTask goodTask = new MockOfficeTask();
officeManager.execute(goodTask);
assertTrue(goodTask.isCompleted());
} finally {
officeManager.stop();
assertFalse(connection.isConnected());
assertFalse(process.isRunning());
assertEquals(process.getExitCode(0, 0), 0);
}
}
public void restartWhenMaxTasksPerProcessReached() throws Exception {
PooledOfficeManagerSettings configuration = new PooledOfficeManagerSettings(CONNECTION_MODE);
configuration.setMaxTasksPerProcess(3);
final PooledOfficeManager officeManager = new PooledOfficeManager(configuration);
ManagedOfficeProcess managedOfficeProcess =
(ManagedOfficeProcess)
FieldUtils.readDeclaredField(officeManager, "managedOfficeProcess", true);
OfficeProcess process =
(OfficeProcess) FieldUtils.readDeclaredField(managedOfficeProcess, "process", true);
OfficeConnection connection =
(OfficeConnection) FieldUtils.readDeclaredField(managedOfficeProcess, "connection", true);
assertNotNull(connection);
try {
officeManager.start();
assertTrue(process.isRunning());
assertTrue(connection.isConnected());
for (int i = 0; i < 3; i++) {
MockOfficeTask task = new MockOfficeTask();
officeManager.execute(task);
assertTrue(task.isCompleted());
int taskCount =
((AtomicInteger) FieldUtils.readDeclaredField(officeManager, "taskCount", true)).get();
assertEquals(taskCount, i + 1);
}
MockOfficeTask task = new MockOfficeTask();
officeManager.execute(task);
assertTrue(task.isCompleted());
int taskCount =
((AtomicInteger) FieldUtils.readDeclaredField(officeManager, "taskCount", true)).get();
assertEquals(taskCount, 1);
} finally {
officeManager.stop();
assertFalse(connection.isConnected());
assertFalse(process.isRunning());
assertEquals(process.getExitCode(0, 0), 0);
}
}