@Override
public void onApplicationStop() {
List<Class> jobs = Play.classloader.getAssignableClasses(Job.class);
for (final Class clazz : jobs) {
// @OnApplicationStop
if (clazz.isAnnotationPresent(OnApplicationStop.class)) {
try {
Job<?> job = ((Job<?>) clazz.newInstance());
scheduledJobs.add(job);
job.run();
if (job.wasError) {
if (job.lastException != null) {
throw job.lastException;
}
throw new RuntimeException("@OnApplicationStop Job has failed");
}
} catch (InstantiationException e) {
throw new UnexpectedException("Job could not be instantiated", e);
} catch (IllegalAccessException e) {
throw new UnexpectedException("Job could not be instantiated", e);
} catch (Throwable ex) {
if (ex instanceof PlayException) {
throw (PlayException) ex;
}
throw new UnexpectedException(ex);
}
}
}
executor.shutdownNow();
executor.getQueue().clear();
}
protected boolean isGraphBuilt(final boolean allowBackgroundContinuation)
throws InterruptedException {
if (!isGraphBuilt()) {
s_logger.info("Building dependency graph");
do {
final Job job = createConstructionJob();
_activeJobCount.incrementAndGet();
synchronized (_activeJobs) {
if (!_cancelled) {
_activeJobs.add(job);
} else {
throw new CancellationException();
}
}
job.run();
synchronized (_activeJobs) {
if (!_runQueue.isEmpty()) {
// more jobs in the queue so keep going
continue;
}
}
if (allowBackgroundContinuation) {
// Nothing in the queue for us so take a nap. There are background threads running and
// maybe items on the deferred queue.
s_logger.info("Waiting for background threads");
Thread.sleep(100);
} else {
return false;
}
} while (!isGraphBuilt());
}
return true;
}
public void readline() {
term.readline(
"% ",
line -> {
if (line == null) {
// EOF
term.close();
return;
}
List<CliToken> tokens = CliToken.tokenize(line);
if (tokens.stream().filter(CliToken::isText).count() == 0) {
// For now do like this
ShellImpl.this.readline();
return;
}
Optional<CliToken> first = tokens.stream().filter(CliToken::isText).findFirst();
if (first.isPresent()) {
String name = first.get().value();
switch (name) {
case "exit":
case "logout":
term.close();
return;
case "jobs":
jobController
.jobs()
.forEach(
job -> {
String statusLine = statusLine(job, job.status()) + "\n";
term.write(statusLine);
});
readline();
return;
case "fg":
{
Job job = findJob();
if (job == null) {
term.write("no such job\n");
readline();
} else {
if (job.status() == ExecStatus.STOPPED) {
job.resume(true);
} else {
job.toForeground();
}
}
return;
}
case "bg":
{
Job job = findJob();
if (job == null) {
term.write("no such job\n");
readline();
} else {
if (job.status() == ExecStatus.STOPPED) {
job.resume(false);
term.echo(statusLine(job, ExecStatus.RUNNING) + "\n");
readline();
} else {
term.write("job " + job.id() + " already in background\n");
readline();
}
}
return;
}
}
}
Job job;
try {
job = createJob(tokens);
} catch (Exception e) {
term.echo(e.getMessage() + "\n");
readline();
return;
}
job.setTty(term);
job.setSession(session);
job.statusUpdateHandler(
status -> {
if (status == ExecStatus.RUNNING && job == jobController.foregroundJob()) {
term.echo(job.line() + "\n");
}
});
job.run();
},
completion -> {
commandManager.complete(completion);
});
}
@Override
public void afterApplicationStart() {
List<Class<?>> jobs = new ArrayList<Class<?>>();
for (Class clazz : Play.classloader.getAllClasses()) {
if (Job.class.isAssignableFrom(clazz)) {
jobs.add(clazz);
}
}
scheduledJobs = new ArrayList<Job>();
for (final Class<?> clazz : jobs) {
// @OnApplicationStart
if (clazz.isAnnotationPresent(OnApplicationStart.class)) {
// check if we're going to run the job sync or async
OnApplicationStart appStartAnnotation = clazz.getAnnotation(OnApplicationStart.class);
if (!appStartAnnotation.async()) {
// run job sync
try {
Job<?> job = ((Job<?>) clazz.newInstance());
scheduledJobs.add(job);
job.run();
if (job.wasError) {
if (job.lastException != null) {
throw job.lastException;
}
throw new RuntimeException("@OnApplicationStart Job has failed");
}
} catch (InstantiationException e) {
throw new UnexpectedException("Job could not be instantiated", e);
} catch (IllegalAccessException e) {
throw new UnexpectedException("Job could not be instantiated", e);
} catch (Throwable ex) {
if (ex instanceof PlayException) {
throw (PlayException) ex;
}
throw new UnexpectedException(ex);
}
} else {
// run job async
try {
Job<?> job = ((Job<?>) clazz.newInstance());
scheduledJobs.add(job);
// start running job now in the background
@SuppressWarnings("unchecked")
Callable<Job> callable = (Callable<Job>) job;
executor.submit(callable);
} catch (InstantiationException ex) {
throw new UnexpectedException("Cannot instanciate Job " + clazz.getName());
} catch (IllegalAccessException ex) {
throw new UnexpectedException("Cannot instanciate Job " + clazz.getName());
}
}
}
// @On
if (clazz.isAnnotationPresent(On.class)) {
try {
Job<?> job = ((Job<?>) clazz.newInstance());
scheduledJobs.add(job);
scheduleForCRON(job);
} catch (InstantiationException ex) {
throw new UnexpectedException("Cannot instanciate Job " + clazz.getName());
} catch (IllegalAccessException ex) {
throw new UnexpectedException("Cannot instanciate Job " + clazz.getName());
}
}
// @Every
if (clazz.isAnnotationPresent(Every.class)) {
try {
Job job = (Job) clazz.newInstance();
scheduledJobs.add(job);
String value = job.getClass().getAnnotation(Every.class).value();
if (value.startsWith("cron.")) {
value = Play.configuration.getProperty(value);
}
value = Expression.evaluate(value, value).toString();
if (!"never".equalsIgnoreCase(value)) {
executor.scheduleWithFixedDelay(
job, Time.parseDuration(value), Time.parseDuration(value), TimeUnit.SECONDS);
}
} catch (InstantiationException ex) {
throw new UnexpectedException("Cannot instanciate Job " + clazz.getName());
} catch (IllegalAccessException ex) {
throw new UnexpectedException("Cannot instanciate Job " + clazz.getName());
}
}
}
}
@Override
public void afterApplicationStart() {
List<Class> jobs = new ArrayList();
for (Class clazz : Play.classloader.getAllClasses()) {
if (Job.class.isAssignableFrom(clazz)) {
jobs.add(clazz);
}
}
scheduledJobs = new ArrayList();
for (final Class clazz : jobs) {
// @OnApplicationStart
if (clazz.isAnnotationPresent(OnApplicationStart.class)) {
try {
Job job = ((Job) clazz.newInstance());
scheduledJobs.add(job);
job.run();
if (job.wasError) {
if (job.lastException != null) {
throw job.lastException;
}
throw new RuntimeException("@OnApplicationStart Job has failed");
}
} catch (InstantiationException e) {
throw new UnexpectedException("Job could not be instantiated", e);
} catch (IllegalAccessException e) {
throw new UnexpectedException("Job could not be instantiated", e);
} catch (Throwable ex) {
if (ex instanceof PlayException) {
throw (PlayException) ex;
}
throw new UnexpectedException(ex);
}
}
// @On
if (clazz.isAnnotationPresent(On.class)) {
try {
Job job = ((Job) clazz.newInstance());
scheduledJobs.add(job);
scheduleForCRON(job);
} catch (InstantiationException ex) {
throw new UnexpectedException("Cannot instanciate Job " + clazz.getName());
} catch (IllegalAccessException ex) {
throw new UnexpectedException("Cannot instanciate Job " + clazz.getName());
}
}
// @Every
if (clazz.isAnnotationPresent(Every.class)) {
try {
Job job = (Job) clazz.newInstance();
scheduledJobs.add(job);
String value = ((Every) (job.getClass().getAnnotation(Every.class))).value();
executor.scheduleWithFixedDelay(
job, Time.parseDuration(value), Time.parseDuration(value), TimeUnit.SECONDS);
} catch (InstantiationException ex) {
throw new UnexpectedException("Cannot instanciate Job " + clazz.getName());
} catch (IllegalAccessException ex) {
throw new UnexpectedException("Cannot instanciate Job " + clazz.getName());
}
}
}
}
