/** * 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); }