/**
* Run a single paragraph.
*
* @param paragraphId ID of paragraph
*/
public void run(String paragraphId) {
Paragraph p = getParagraph(paragraphId);
if (p.isBlankParagraph()) {
logger.info("skip to run blank paragraph. {}", p.getId());
return;
}
p.setListener(jobListenerFactory.getParagraphJobListener(this));
String requiredReplName = p.getRequiredReplName();
Interpreter intp = factory.getInterpreter(p.getUser(), getId(), requiredReplName);
if (intp == null) {
String intpExceptionMsg =
p.getJobName() + "'s Interpreter " + requiredReplName + " not found";
InterpreterException intpException = new InterpreterException(intpExceptionMsg);
InterpreterResult intpResult =
new InterpreterResult(InterpreterResult.Code.ERROR, intpException.getMessage());
p.setReturn(intpResult, intpException);
p.setStatus(Job.Status.ERROR);
throw intpException;
}
if (p.getConfig().get("enabled") == null || (Boolean) p.getConfig().get("enabled")) {
p.setAuthenticationInfo(p.getAuthenticationInfo());
intp.getScheduler().submit(p);
}
}
private Note getNote(String key) throws IOException {
GsonBuilder gsonBuilder = new GsonBuilder();
gsonBuilder.setPrettyPrinting();
Gson gson =
gsonBuilder.registerTypeAdapter(Date.class, new NotebookImportDeserializer()).create();
S3Object s3object;
try {
s3object = s3client.getObject(new GetObjectRequest(bucketName, key));
} catch (AmazonClientException ace) {
throw new IOException("Unable to retrieve object from S3: " + ace, ace);
}
Note note;
try (InputStream ins = s3object.getObjectContent()) {
String json = IOUtils.toString(ins, conf.getString(ConfVars.ZEPPELIN_ENCODING));
note = gson.fromJson(json, Note.class);
}
for (Paragraph p : note.getParagraphs()) {
if (p.getStatus() == Status.PENDING || p.getStatus() == Status.RUNNING) {
p.setStatus(Status.ABORT);
}
}
return note;
}