/**
* Generates an executable plan.
*
* @param planName the plan name
* @param alternative the alternative to base the workflow on
* @param measures the measures to include in the workflow
* @param sourceMimetype the source mimetype of the workflow
* @param targetMimetype the target mimetype of the workflow
* @return an executable plan
* @throws PlanningException if an error occurred during generation
*/
@Asynchronous
public Future<DigitalObject> generateExecutablePlan(
final String planName,
final Alternative alternative,
final List<String> measures,
final String sourceMimetype,
final String targetMimetype)
throws PlanningException {
DigitalObject workflow = new DigitalObject();
String name = planName + " - " + alternative.getName();
T2FlowExecutablePlanGenerator generator =
new T2FlowExecutablePlanGenerator(name, user.getFullName());
// Add ports
generator.addSourcePort();
generator.addTargetPort();
// Migration action
PreservationActionDefinition action = alternative.getAction();
if (action != null) {
try {
WorkflowDescription wf = MyExperimentRESTClient.getWorkflow(action.getDescriptor());
if (wf != null) {
HashMap<String, String> parameters = new HashMap<String, String>();
for (Parameter p : action.getParams()) {
parameters.put(p.getName(), p.getValue());
}
wf.readMetadata();
String workflowContent = MyExperimentRESTClient.getWorkflowContent(wf);
generator.setMigrationComponent(wf, workflowContent, parameters);
} else {
log.warn(String.format("The workflow [%s] could not be found.", action.getDescriptor()));
}
} catch (Exception e) {
throw new PlanningException(
"An error occured querying myExperiment migration component", e);
}
}
// Add QA components
addQaComponents(generator, measures, sourceMimetype, targetMimetype);
// Create digital object
ByteArrayOutputStream out = new ByteArrayOutputStream();
OutputStreamWriter writer = new OutputStreamWriter(out);
try {
generator.generate(writer);
} catch (IOException e) {
log.warn("An error occured generating the executable plan.", e.getMessage());
throw new PlanningException("An error occured generating the executable plan.", e);
} finally {
if (writer != null) {
try {
writer.close();
} catch (IOException e) {
log.warn(
"An error occured closing the executable plan generator writer.", e.getMessage());
throw new PlanningException(
"An error occured closing the executable plan generator writer.", e);
}
}
}
byte[] data = out.toByteArray();
ByteStream bsData = new ByteStream();
bsData.setData(data);
workflow.setContentType("application/vnd.taverna.t2flow+xml");
workflow.setData(bsData);
workflow.setFullname(FileUtils.makeFilename(name + ".t2flow"));
return new AsyncResult<DigitalObject>(workflow);
}