/**
* @param viskoService
* @param inputDataURL
* @param serviceIndex
* @return
* @throws ExecutionException
*/
private String executeService(
edu.utep.trustlab.visko.ontology.viskoService.Service viskoService,
String inputDataURL,
int serviceIndex)
throws ExecutionException {
OWLKnowledgeBase kb = OWLFactory.createKB();
Service service = viskoService.getOWLSService().getIndividual();
Process process = service.getProcess();
ValueMap<Input, OWLValue> inputs =
OWLSParameterBinder.buildInputValueMap(
process, inputDataURL, job.getPipeline().getParameterBindings(), kb);
String outputDataURL = null;
if (inputs != null) {
ValueMap<Output, OWLValue> outputs;
if (job.isSimulated()) outputDataURL = ServiceSimulator.exec();
else {
outputs = exec.execute(process, inputs, kb);
OWLDataValue out = (OWLDataValue) outputs.getValue(process.getOutput());
outputDataURL = out.toString();
}
if (job.getProvenanceLogging()) {
pmlLogger.recordServiceInvocation(viskoService, inputDataURL, outputDataURL, inputs);
provLogger.recordServiceInvocation(viskoService, inputDataURL, outputDataURL, inputs);
}
}
return outputDataURL;
}
private void executePipeline() throws ExecutionException {
if (job.getProvenanceLogging()) {
provLogger.recordPipelineStart();
pmlLogger.recordPipelineStart();
}
job.getJobStatus().setPipelineState(PipelineExecutorJobStatus.PipelineState.RUNNING);
String resultURL = job.getPipeline().getArtifactURL();
System.out.println(job.getJobStatus());
for (int i = 0; i < job.getPipeline().size(); i++) {
edu.utep.trustlab.visko.ontology.viskoService.Service viskoService =
job.getPipeline().getService(i);
// Capture initial dataset
if (job.getProvenanceLogging() && i == 0) {
pmlLogger.recordInitialDataset(resultURL, job.getPipeline().getService(i));
provLogger.recordInitialDataset(resultURL, job.getPipeline().getService(i));
}
job.getJobStatus().setCurrentService(viskoService.getOWLSService().getURI(), i);
System.out.println(job.getJobStatus());
resultURL = executeService(viskoService, resultURL, i);
if (isScheduledForTermination) {
System.out.println("This thread's execution was interrupted and will quit!");
job.getJobStatus().setPipelineState(PipelineExecutorJobStatus.PipelineState.INTERRUPTED);
break;
}
}
job.setFinalResultURL(resultURL);
if (job.getProvenanceLogging()) {
provLogger.recordPipelineEnd(job);
pmlLogger.recordPipelineEnd(job);
// Set URIs on Job
job.setPMLQueryURI(pmlLogger.finish());
job.setProvQueryURI(provLogger.finish());
}
}