@Override
public void handleStart(Operation start) {
ServiceUtils.logInfo(this, "Starting service %s", getSelfLink());
State startState = start.getBody(State.class);
InitializationUtils.initialize(startState);
if (null == startState.queryCreateVmTaskInterval) {
startState.queryCreateVmTaskInterval = HostUtils.getDeployerContext(this).getTaskPollDelay();
}
validateState(startState);
if (TaskState.TaskStage.CREATED == startState.taskState.stage) {
startState.taskState.stage = TaskState.TaskStage.STARTED;
}
start.setBody(startState).complete();
try {
if (ControlFlags.isOperationProcessingDisabled(startState.controlFlags)) {
ServiceUtils.logInfo(this, "Skipping patch handling (disabled)");
} else if (TaskState.TaskStage.STARTED == startState.taskState.stage) {
TaskUtils.sendSelfPatch(this, buildPatch(startState.taskState.stage, (Throwable) null));
}
} catch (Throwable t) {
failTask(t);
}
}
/**
* This method is called when a patch operation is performed on the current service.
*
* @param patch Supplies the patch operation object.
*/
@Override
public void handlePatch(Operation patch) {
ServiceUtils.logInfo(this, "Handling patch for service %s", getSelfLink());
State startState = getState(patch);
State patchState = patch.getBody(State.class);
validatePatchState(startState, patchState);
PatchUtils.patchState(startState, patchState);
validateState(startState);
patch.complete();
try {
if (ControlFlags.isOperationProcessingDisabled(startState.controlFlags)) {
ServiceUtils.logInfo(this, "Skipping patch handling (disabled)");
} else if (TaskState.TaskStage.STARTED == startState.taskState.stage) {
processStartedStage(startState);
}
} catch (Throwable t) {
failTask(t);
}
}