/**
* Return recall tasks for being taken over. The status of the tasks that are returned is set to
* in progress.
*
* @param input a key value pair in which the value is the number of results to be returned in the
* @return the tasks ready to takeover
* @throws TapeRecallException
*/
@PUT
@Consumes("text/plain")
@Produces("text/plain")
public Response putTakeoverTasks(InputStream input) throws TapeRecallException {
// retrieve the Input String
String inputStr = buildInputString(input);
log.debug("@PUT (input string) = '{}'", inputStr);
// retrieve the number of tasks to takeover (default = 1)
int numbOfTask = 1;
// retrieve value from Body param
String keyTakeover = config.getTaskoverKey();
int eqIndex = inputStr.indexOf('=');
if (eqIndex > 0) {
String value = inputStr.substring(eqIndex);
String key = inputStr.substring(0, eqIndex);
if (key.equals(keyTakeover)) {
try {
// trim out the '\n' end.
numbOfTask = Integer.valueOf(value.substring(1, value.length() - 1));
} catch (NumberFormatException e) {
throw new TapeRecallException(
"Unable to understand " + "the number value = '" + value + "'");
}
}
}
// retrieve the tasks
ArrayList<TapeRecallTO> tasks = new TapeRecallCatalog().takeoverNTasksWithDoubles(numbOfTask);
HashMap<UUID, ArrayList<TapeRecallTO>> groupTaskMap = buildGroupTaskMap(tasks);
ArrayList<TapeRecallTO> groupTasks = new ArrayList<TapeRecallTO>();
for (ArrayList<TapeRecallTO> groupTaskList : groupTaskMap.values()) {
try {
groupTasks.add(makeOne(groupTaskList));
} catch (IllegalArgumentException e) {
log.error(
"Unable to makeOne the task list . IllegalArgumentException : {}", e.getMessage(), e);
log.error("Erroneous task list (long output): {}", groupTaskList.toString());
log.error("Skip the erroneous task list and go on...Please contact StoRM support");
}
}
if (tasks.size() > groupTasks.size()) {
log.debug("Taking over some multy-group tasks");
}
log.debug(
"Number of tasks recalled : <{}> over <{}> tasks requested",
groupTasks.size(),
tasks.size());
// need a generic entity
GenericEntity<List<TapeRecallTO>> entity = new GenericEntity<List<TapeRecallTO>>(tasks) {};
return Response.ok(entity).build();
}
