/**
* This method builds a state object which can be used to submit a stage progress self-patch.
*
* @param stage Supplies the stage that the current service instance is moving to.
* @param errorResponse Supplies the {@link ServiceErrorResponse} response object
* @return Returns a patch state object that the current service instance is moving to.
*/
private State buildPatch(
TaskState.TaskStage stage, @Nullable ServiceErrorResponse errorResponse) {
State state = new State();
state.taskState = new TaskState();
state.taskState.stage = stage;
state.taskState.failure = errorResponse;
return state;
}
/**
* This method applies a patch to a state object.
*
* @param startState Supplies the start state object.
* @param patchState Supplies the patch state object.
*/
private State applyPatch(State startState, State patchState) {
if (patchState.taskState != null) {
if (patchState.taskState.stage != startState.taskState.stage) {
ServiceUtils.logInfo(this, "Moving to stage %s", patchState.taskState.stage);
}
startState.taskState = patchState.taskState;
}
return startState;
}
@VisibleForTesting
protected State buildPatch(TaskState.TaskStage stage, @Nullable Throwable t) {
State patchState = new State();
patchState.taskState = new TaskState();
patchState.taskState.stage = stage;
if (null != t) {
patchState.taskState.failure = Utils.toServiceErrorResponse(t);
}
return patchState;
}
private State applyPatch(State currentState, State patchState) {
if (patchState.taskState.stage != currentState.taskState.stage) {
ServiceUtils.logInfo(this, "Moving to stage %s", patchState.taskState.stage);
currentState.taskState = patchState.taskState;
}
if (patchState.tenantServiceLink != null) {
currentState.tenantServiceLink = patchState.tenantServiceLink;
}
return currentState;
}