/**
* Create an internalTaskFlow job with the given task flow job (user)
*
* @param userJob the user job that will be used to create the internal job.
* @return the created internal job.
* @throws JobCreationException an exception if the factory cannot create the given job.
*/
private static InternalJob createJob(TaskFlowJob userJob) throws JobCreationException {
if (userJob.getTasks().size() == 0) {
logger.info("Job '" + userJob.getName() + "' must contain tasks !");
throw new JobCreationException("This job must contains tasks !");
}
// validate taskflow
List<FlowChecker.Block> blocks = new ArrayList<>();
FlowError err = FlowChecker.validate(userJob, blocks);
if (err != null) {
String e = "";
e += "Invalid taskflow: " + err.getMessage() + "; context: " + err.getTask();
logger.error(e);
throw new JobCreationException(e, err);
}
InternalJob job = new InternalTaskFlowJob();
// keep an initial job content
job.setTaskFlowJob(userJob);
Map<Task, InternalTask> tasksList = new LinkedHashMap<>();
boolean hasPreciousResult = false;
for (Task t : userJob.getTasks()) {
tasksList.put(t, createTask(userJob, t));
if (!hasPreciousResult) {
hasPreciousResult = t.isPreciousResult();
}
}
for (Entry<Task, InternalTask> entry : tasksList.entrySet()) {
if (entry.getKey().getDependencesList() != null) {
for (Task t : entry.getKey().getDependencesList()) {
entry.getValue().addDependence(tasksList.get(t));
}
}
job.addTask(entry.getValue());
}
// tag matching blocks in InternalTasks
for (InternalTask it : tasksList.values()) {
for (FlowChecker.Block block : blocks) {
if (it.getName().equals(block.start.element.getName())) {
it.setMatchingBlock(block.end.element.getName());
}
if (it.getName().equals(block.end.element.getName())) {
it.setMatchingBlock(block.start.element.getName());
}
}
}
// create if/else/join weak dependencies
for (InternalTask it : tasksList.values()) {
// it performs an IF action
if (it.getFlowScript() != null
&& it.getFlowScript().getActionType().equals(FlowActionType.IF.toString())) {
String ifBranch = it.getFlowScript().getActionTarget();
String elseBranch = it.getFlowScript().getActionTargetElse();
String join = it.getFlowScript().getActionContinuation();
List<InternalTask> joinedBranches = new ArrayList<>();
// find the ifBranch task
for (InternalTask it2 : tasksList.values()) {
if (it2.getName().equals(ifBranch)) {
it2.setIfBranch(it);
String match = it2.getMatchingBlock();
// find its matching block task
if (match == null) {
// no match: single task
joinedBranches.add(it2);
} else {
for (InternalTask it3 : tasksList.values()) {
if (it3.getName().equals(match)) {
joinedBranches.add(it3);
break;
}
}
}
break;
}
}
// find the elseBranch task
for (InternalTask it2 : tasksList.values()) {
if (it2.getName().equals(elseBranch)) {
it2.setIfBranch(it);
String match = it2.getMatchingBlock();
// find its matching block task
if (match == null) {
// no match: single task
joinedBranches.add(it2);
} else {
for (InternalTask it3 : tasksList.values()) {
if (it3.getName().equals(match)) {
joinedBranches.add(it3);
break;
}
}
}
break;
}
}
// find the joinBranch task
for (InternalTask it2 : tasksList.values()) {
if (it2.getName().equals(join)) {
it2.setJoinedBranches(joinedBranches);
}
}
}
}
return job;
}
/** Creates the "job" element <define name="job"> */
private Element createRootJobElement(Document doc, TaskFlowJob job) {
Element rootJob = doc.createElementNS(Schemas.SCHEMA_LATEST.namespace, "job");
// ********** attributes ***********
rootJob.setAttributeNS(
"http://www.w3.org/2001/XMLSchema-instance", "xsi:schemaLocation", XSD_LOCATION);
setAttribute(rootJob, XMLAttributes.JOB_PROJECT_NAME, job.getProjectName(), true);
setAttribute(rootJob, XMLAttributes.JOB_PRIORITY, job.getPriority().toString());
if (job.getOnTaskErrorProperty().isSet()) {
setAttribute(
rootJob,
XMLAttributes.COMMON_ON_TASK_ERROR,
job.getOnTaskErrorProperty().getValue().toString(),
true);
}
if (job.getMaxNumberOfExecutionProperty().isSet()) {
setAttribute(
rootJob,
XMLAttributes.COMMON_MAX_NUMBER_OF_EXECUTION,
Integer.toString(job.getMaxNumberOfExecution()));
}
setAttribute(rootJob, XMLAttributes.COMMON_NAME, job.getName(), true);
if (job.getRestartTaskOnErrorProperty().isSet()) {
setAttribute(
rootJob,
XMLAttributes.COMMON_RESTART_TASK_ON_ERROR,
job.getRestartTaskOnError().toString());
}
// *** elements ***
// <ref name="variables"/>
if (job.getVariables() != null && !job.getVariables().isEmpty()) {
Element variablesE = createVariablesElement(doc, job.getVariables());
rootJob.appendChild(variablesE);
}
// <ref name="jobDescription"/>
if (job.getDescription() != null) {
Element descrNode =
createElement(doc, XMLTags.COMMON_DESCRIPTION.getXMLName(), job.getDescription());
rootJob.appendChild(descrNode);
}
// <ref name="genericInformation"/>
if ((job.getGenericInformation() != null) && (job.getGenericInformation().size() > 0)) {
Element genericInfo = createGenericInformation(doc, job.getGenericInformation());
rootJob.appendChild(genericInfo);
}
// <ref name="inputSpace"/>
if (job.getInputSpace() != null) {
Element inputspace =
createElement(
doc,
XMLTags.DS_INPUT_SPACE.getXMLName(),
null,
new Attribute(XMLAttributes.DS_URL.getXMLName(), job.getInputSpace()));
rootJob.appendChild(inputspace);
}
// <ref name="outputSpace"/>
if (job.getOutputSpace() != null) {
Element outputSpace =
createElement(
doc,
XMLTags.DS_OUTPUT_SPACE.getXMLName(),
null,
new Attribute(XMLAttributes.DS_URL.getXMLName(), job.getOutputSpace()));
rootJob.appendChild(outputSpace);
}
// <ref name="globalSpace"/>
if (job.getGlobalSpace() != null) {
Element globalSpace =
createElement(
doc,
XMLTags.DS_GLOBAL_SPACE.getXMLName(),
null,
new Attribute(XMLAttributes.DS_URL.getXMLName(), job.getGlobalSpace()));
rootJob.appendChild(globalSpace);
}
// <ref name="userSpace"/>
if (job.getUserSpace() != null) {
Element userSpace =
createElement(
doc,
XMLTags.DS_USER_SPACE.getXMLName(),
null,
new Attribute(XMLAttributes.DS_URL.getXMLName(), job.getUserSpace()));
rootJob.appendChild(userSpace);
}
// <ref name="taskFlow"/>
Element taskFlow = createTaskFlowElement(doc, job);
rootJob.appendChild(taskFlow);
return rootJob;
}
