/** * 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; }