/**
* Creates {@code ExecutionContext} which defines the context for executing the finalizing step of
* the job. If the step exists, it must be part of a job, therefore the {@code Job} entity is
* being set as part of the context.
*
* @param stepId The unique identifier of the step. Must not be {@code null}.
* @return The context for monitoring the finalizing step of the job, or {@code null} if no such
* step.
*/
public static ExecutionContext createFinalizingContext(Guid stepId) {
ExecutionContext context = null;
try {
Step step = JobRepositoryFactory.getJobRepository().getStep(stepId);
if (step != null && step.getParentStepId() != null) {
context = new ExecutionContext();
Step executionStep =
JobRepositoryFactory.getJobRepository().getStep(step.getParentStepId());
// indicates if a step is monitored at Job level or as an inner step
Guid parentStepId = executionStep.getParentStepId();
if (parentStepId == null) {
context.setExecutionMethod(ExecutionMethod.AsJob);
context.setJob(JobRepositoryFactory.getJobRepository().getJobWithSteps(step.getJobId()));
} else {
context.setExecutionMethod(ExecutionMethod.AsStep);
Step parentStep = JobRepositoryFactory.getJobRepository().getStep(parentStepId);
parentStep.setSteps(
DbFacade.getInstance().getStepDao().getStepsByParentStepId(parentStep.getId()));
context.setStep(parentStep);
}
context.setMonitored(true);
}
} catch (Exception e) {
log.error(e);
}
return context;
}
/**
* Updates the step with the id in the external system in which the describe task runs.
*
* @param step The step which represents the external task
* @param externalId The id of the task in the external system
* @param systemType The type of the system
*/
public static void updateStepExternalId(
Step step, Guid externalId, ExternalSystemType systemType) {
if (step != null) {
step.getExternalSystem().setId(externalId);
step.getExternalSystem().setType(systemType);
try {
JobRepositoryFactory.getJobRepository().updateStep(step);
} catch (Exception e) {
log.errorFormat(
"Failed to save step {0}, {1} for system-type {2} with id {3}",
step.getId(), step.getStepType().name(), systemType.name(), externalId, e);
}
}
}
/**
* Gets a list of {@link Step} entities ordered by:
* <li>parent step id, preceded by nulls
* <li>step number
*
* @param steps
* @return a collection of the steps.
*/
private List<Step> buildStepsTree(List<Step> steps) {
List<Step> jobDirectSteps = new ArrayList<Step>();
// a map of parent step id and a list of child-steps
Map<NGuid, List<Step>> parentStepMap = new HashMap<NGuid, List<Step>>();
for (Step step : steps) {
if (step.getParentStepId() == null) {
jobDirectSteps.add(step);
} else {
MultiValueMapUtils.addToMap(step.getParentStepId(), step, parentStepMap);
}
}
for (Step step : steps) {
step.setSteps(parentStepMap.get(step.getId()));
}
return jobDirectSteps;
}
private static Step addSubStep(Step parentStep, StepEnum stepName, String description) {
Step step = null;
if (parentStep != null) {
if (description == null) {
description = ExecutionMessageDirector.getInstance().getStepMessage(stepName);
}
step = parentStep.addStep(stepName, description);
try {
JobRepositoryFactory.getJobRepository().saveStep(step);
} catch (Exception e) {
log.errorFormat(
"Failed to save new step {0} for step {1}, {2}.",
stepName.name(), parentStep.getId(), parentStep.getStepType().name(), e);
parentStep.getSteps().remove(step);
step = null;
}
}
return step;
}
/**
* Adds a {@link Step} entity by the provided context as a child step of a given parent step. A
* {@link Step} will not be created if {@code ExecutionContext.isMonitored()} returns false.
*
* @param context The context of the execution which defines visibility and execution method.
* @param parentStep The parent step which the new step will be added as its child.
* @param newStepName The name of the step.
* @param description A presentation name for the step. If not provided, the presentation name is
* resolved by the {@code stepName}.
* @param isExternal Indicates if the step is invoked by a plug-in
* @return
*/
public static Step addSubStep(
ExecutionContext context,
Step parentStep,
StepEnum newStepName,
String description,
boolean isExternal) {
Step step = null;
if (context == null || parentStep == null) {
return null;
}
try {
if (context.isMonitored()) {
if (description == null) {
description = ExecutionMessageDirector.getInstance().getStepMessage(newStepName);
}
if (context.getExecutionMethod() == ExecutionMethod.AsJob) {
if (DbFacade.getInstance().getStepDao().exists(parentStep.getId())) {
if (parentStep.getJobId().equals(context.getJob().getId())) {
step = parentStep.addStep(newStepName, description);
}
}
} else if (context.getExecutionMethod() == ExecutionMethod.AsStep) {
step = parentStep.addStep(newStepName, description);
}
}
if (step != null) {
step.setExternal(isExternal);
JobRepositoryFactory.getJobRepository().saveStep(step);
}
} catch (Exception e) {
log.error(e);
}
return step;
}
