/**
* Default restart implementation for an entity.
*
* <p>Stops processes if possible, then starts the entity again.
*/
public void restart(ConfigBag parameters) {
ServiceStateLogic.setExpectedState(entity(), Lifecycle.STOPPING);
RestartMachineMode isRestartMachine =
parameters.get(RestartSoftwareParameters.RESTART_MACHINE_TYPED);
if (isRestartMachine == null) isRestartMachine = RestartMachineMode.AUTO;
if (isRestartMachine == RestartMachineMode.AUTO)
isRestartMachine =
getDefaultRestartStopsMachine() ? RestartMachineMode.TRUE : RestartMachineMode.FALSE;
// Calling preStopCustom without a corresponding postStopCustom invocation
// doesn't look right so use a separate callback pair; Also depending on the arguments
// stop() could be called which will call the {pre,post}StopCustom on its own.
DynamicTasks.queue("pre-restart", new PreRestartTask());
if (isRestartMachine == RestartMachineMode.FALSE) {
DynamicTasks.queue("stopping (process)", new StopProcessesAtMachineTask());
} else {
Map<String, Object> stopMachineFlags = MutableMap.of();
if (Entitlements.getEntitlementContext() != null) {
stopMachineFlags.put(
"tags",
MutableSet.of(
BrooklynTaskTags.tagForEntitlement(Entitlements.getEntitlementContext())));
}
Task<String> stopTask =
Tasks.<String>builder()
.displayName("stopping (machine)")
.body(new StopMachineTask())
.flags(stopMachineFlags)
.build();
DynamicTasks.queue(stopTask);
}
DynamicTasks.queue("starting", new StartInLocationsTask());
restartChildren(parameters);
DynamicTasks.queue("post-restart", new PostRestartTask());
DynamicTasks.waitForLast();
ServiceStateLogic.setExpectedState(entity(), Lifecycle.RUNNING);
}
