/**
* Starts the needed worker threads.
*
* <p>if AbstractFile module is still running, do nothing and allow it to consume queue otherwise
* start /restart AbstractFile worker
*
* <p>data source ingest workers run per (module,content). Checks if one for the same
* (module,content) is already running otherwise start/restart the worker
*/
private synchronized void startAll() {
final IngestScheduler.DataSourceScheduler dataSourceScheduler =
scheduler.getDataSourceScheduler();
final IngestScheduler.FileScheduler fileScheduler = scheduler.getFileScheduler();
logger.log(Level.INFO, "DataSource queue: " + dataSourceScheduler.toString());
logger.log(Level.INFO, "File queue: " + fileScheduler.toString());
if (!ingestMonitor.isRunning()) {
ingestMonitor.start();
}
// image ingesters
// cycle through each data source content in the queue
while (dataSourceScheduler.hasNext()) {
// dequeue
// get next data source content and set of modules
final ScheduledTask<IngestModuleDataSource> dataSourceTask = dataSourceScheduler.next();
// check if each module for this data source content is already running
for (IngestModuleDataSource taskModule : dataSourceTask.getModules()) {
boolean alreadyRunning = false;
for (IngestDataSourceThread worker : dataSourceIngesters) {
// ignore threads that are on different data sources
if (!worker.getContent().equals(dataSourceTask.getContent())) {
continue; // check next worker
}
// same data source, check module (by name, not id, since different instances)
if (worker.getModule().getName().equals(taskModule.getName())) {
alreadyRunning = true;
logger.log(
Level.INFO,
"Data Source Ingester <"
+ dataSourceTask.getContent()
+ ", "
+ taskModule.getName()
+ "> is already running");
break;
}
}
// checked all workers
if (alreadyRunning == false) {
logger.log(
Level.INFO,
"Starting new data source Ingester <"
+ dataSourceTask.getContent()
+ ", "
+ taskModule.getName()
+ ">");
// data source modules are now initialized per instance
IngestModuleInit moduleInit = new IngestModuleInit();
PipelineContext<IngestModuleDataSource> dataSourcepipelineContext =
new PipelineContext<IngestModuleDataSource>(dataSourceTask, getProcessUnallocSpace());
final IngestDataSourceThread newDataSourceWorker =
new IngestDataSourceThread(
this,
dataSourcepipelineContext,
dataSourceTask.getContent(),
taskModule,
moduleInit);
dataSourceIngesters.add(newDataSourceWorker);
// wrap the module in a worker, that will run init, process and complete on the module
newDataSourceWorker.execute();
IngestManager.fireModuleEvent(IngestModuleEvent.STARTED.toString(), taskModule.getName());
}
}
}
// AbstractFile ingester
boolean startAbstractFileIngester = false;
if (fileScheduler.hasNext()) {
if (abstractFileIngester == null) {
startAbstractFileIngester = true;
logger.log(Level.INFO, "Starting initial AbstractFile ingester");
}
// if worker had completed, restart it in case data is still enqueued
else if (abstractFileIngester.isDone()) {
startAbstractFileIngester = true;
logger.log(Level.INFO, "Restarting AbstractFile ingester");
}
} else {
logger.log(Level.INFO, "no new AbstractFile enqueued, no ingester needed");
}
if (startAbstractFileIngester) {
stats = new IngestManagerStats();
abstractFileIngester = new IngestAbstractFileProcessor();
// init all fs modules, everytime new worker starts
/* @@@ I don't understand why we do an init on each module. Should do only modules
* that we are going to be using in the pipeline
*/
for (IngestModuleAbstractFile s : abstractFileModules) {
IngestModuleInit moduleInit = new IngestModuleInit();
try {
s.init(moduleInit);
} catch (Exception e) {
logger.log(Level.SEVERE, "File ingest module failed init(): " + s.getName());
}
}
abstractFileIngester.execute();
}
}
private void queueAll(List<IngestModuleAbstract> modules, final List<Content> inputs) {
int processed = 0;
for (Content input : inputs) {
final String inputName = input.getName();
final List<IngestModuleDataSource> dataSourceMods = new ArrayList<IngestModuleDataSource>();
final List<IngestModuleAbstractFile> fileMods = new ArrayList<IngestModuleAbstractFile>();
for (IngestModuleAbstract module : modules) {
if (isCancelled()) {
logger.log(Level.INFO, "Terminating ingest queueing due to cancellation.");
return;
}
final String moduleName = module.getName();
progress.progress(moduleName + " " + inputName, processed);
switch (module.getType()) {
case DataSource:
final IngestModuleDataSource newModuleInstance =
(IngestModuleDataSource) moduleLoader.getNewIngestModuleInstance(module);
if (newModuleInstance != null) {
dataSourceMods.add(newModuleInstance);
} else {
logger.log(
Level.INFO,
"Error loading module and adding input "
+ inputName
+ " with module "
+ module.getName());
}
break;
case AbstractFile:
// enqueue the same singleton AbstractFile module
logger.log(
Level.INFO,
"Adding input " + inputName + " for AbstractFileModule " + module.getName());
fileMods.add((IngestModuleAbstractFile) module);
break;
default:
logger.log(Level.SEVERE, "Unexpected module type: " + module.getType().name());
}
} // for modules
// queue to schedulers
// queue to datasource-level ingest pipeline(s)
final boolean processUnalloc = getProcessUnallocSpace();
final ScheduledTask<IngestModuleDataSource> dataSourceTask =
new ScheduledTask<IngestModuleDataSource>(input, dataSourceMods);
final PipelineContext<IngestModuleDataSource> dataSourcePipelineContext =
new PipelineContext<IngestModuleDataSource>(dataSourceTask, processUnalloc);
logger.log(Level.INFO, "Queing data source ingest task: " + dataSourceTask);
progress.progress("DataSource Ingest" + " " + inputName, processed);
final IngestScheduler.DataSourceScheduler dataSourceScheduler =
scheduler.getDataSourceScheduler();
dataSourceScheduler.schedule(dataSourcePipelineContext);
progress.progress("DataSource Ingest" + " " + inputName, ++processed);
// queue to file-level ingest pipeline
final ScheduledTask<IngestModuleAbstractFile> fTask = new ScheduledTask(input, fileMods);
final PipelineContext<IngestModuleAbstractFile> filepipelineContext =
new PipelineContext<IngestModuleAbstractFile>(fTask, processUnalloc);
logger.log(Level.INFO, "Queing file ingest task: " + fTask);
progress.progress("File Ingest" + " " + inputName, processed);
final IngestScheduler.FileScheduler fileScheduler = scheduler.getFileScheduler();
fileScheduler.schedule(filepipelineContext);
progress.progress("File Ingest" + " " + inputName, ++processed);
} // for data sources
// logger.log(Level.INFO, AbstractFileQueue.printQueue());
}