protected void pauseJob() {
final StatusBean bean = getSelection();
if (bean == null) return;
if (bean.getStatus().isFinal()) {
MessageDialog.openInformation(
getViewSite().getShell(),
"Run '" + bean.getName() + "' inactive",
"Run '" + bean.getName() + "' is inactive and cannot be paused.");
return;
}
try {
if (bean.getStatus().isPaused()) {
bean.setStatus(org.eclipse.scanning.api.event.status.Status.REQUEST_RESUME);
bean.setMessage("Resume of " + bean.getName());
} else {
bean.setStatus(org.eclipse.scanning.api.event.status.Status.REQUEST_PAUSE);
bean.setMessage("Pause of " + bean.getName());
}
IPublisher<StatusBean> terminate = service.createPublisher(getUri(), getTopicName());
terminate.broadcast(bean);
} catch (Exception e) {
ErrorDialog.openError(
getViewSite().getShell(),
"Cannot pause " + bean.getName(),
"Cannot pause " + bean.getName() + "\n\nPlease contact your support representative.",
new Status(IStatus.ERROR, "org.eclipse.scanning.event.ui", e.getMessage()));
}
}
protected void togglePausedConsumer(IAction pauseConsumer) {
// The button can get out of sync if two clients are used.
final boolean currentState = queueConnection.isQueuePaused(getSubmissionQueueName());
try {
pauseConsumer.setChecked(!currentState); // We are toggling it.
IPublisher<PauseBean> pauser = service.createPublisher(getUri(), IEventService.CMD_TOPIC);
pauser.setStatusSetName(IEventService.CMD_SET); // The set that other clients may check
pauser.setStatusSetAddRequired(true);
PauseBean pbean = new PauseBean();
pbean.setQueueName(getSubmissionQueueName()); // The queue we are pausing
pbean.setPause(pauseConsumer.isChecked());
pauser.broadcast(pbean);
} catch (Exception e) {
ErrorDialog.openError(
getViewSite().getShell(),
"Cannot pause queue " + getSubmissionQueueName(),
"Cannot pause queue "
+ getSubmissionQueueName()
+ "\n\nPlease contact your support representative.",
new Status(IStatus.ERROR, "org.eclipse.scanning.event.ui", e.getMessage()));
}
pauseConsumer.setChecked(queueConnection.isQueuePaused(getSubmissionQueueName()));
}
protected void stopJob() {
final StatusBean bean = getSelection();
if (bean == null) return;
if (!bean.getStatus().isActive()) {
String queueName = null;
if (bean.getStatus() != org.eclipse.scanning.api.event.status.Status.SUBMITTED) {
queueName = getQueueName();
boolean ok =
MessageDialog.openQuestion(
getSite().getShell(),
"Confirm Remove '" + bean.getName() + "'",
"Are you sure you would like to remove '" + bean.getName() + "'?");
if (!ok) return;
} else {
// Submitted delete it right away without asking or the consumer will run it!
queueName = getSubmissionQueueName();
}
// It is submitted and not running. We can probably delete it.
try {
queueConnection.remove(bean, queueName);
refresh();
} catch (EventException e) {
ErrorDialog.openError(
getViewSite().getShell(),
"Cannot delete " + bean.getName(),
"Cannot delete "
+ bean.getName()
+ "\n\nIt might have changed state at the same time and being remoted.",
new Status(IStatus.ERROR, "org.eclipse.scanning.event.ui", e.getMessage()));
}
return;
}
try {
final DateFormat format = DateFormat.getDateTimeInstance();
boolean ok =
MessageDialog.openQuestion(
getViewSite().getShell(),
"Confirm terminate " + bean.getName(),
"Are you sure you want to terminate "
+ bean.getName()
+ " submitted on "
+ format.format(new Date(bean.getSubmissionTime()))
+ "?");
if (!ok) return;
bean.setStatus(org.eclipse.scanning.api.event.status.Status.REQUEST_TERMINATE);
bean.setMessage("Termination of " + bean.getName());
IPublisher<StatusBean> terminate = service.createPublisher(getUri(), getTopicName());
terminate.broadcast(bean);
} catch (Exception e) {
ErrorDialog.openError(
getViewSite().getShell(),
"Cannot terminate " + bean.getName(),
"Cannot terminate " + bean.getName() + "\n\nPlease contact your support representative.",
new Status(IStatus.ERROR, "org.eclipse.scanning.event.ui", e.getMessage()));
}
}