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36 package gr.grnet.aquarium.service
38 import gr.grnet.aquarium.actor.DispatcherRole
39 import gr.grnet.aquarium.Configurator.Keys
40 import gr.grnet.aquarium.store.LocalFSEventStore
41 import com.ckkloverdos.maybe.{Maybe, Just, Failed, NoVal}
42 import gr.grnet.aquarium.actor.message.service.dispatcher.ProcessResourceEvent
43 import gr.grnet.aquarium.events.ResourceEvent
44 import gr.grnet.aquarium.util.date.TimeHelpers
48 * An event processor service for resource events
50 * @author Georgios Gousios <gousiosg@gmail.com>
52 final class ResourceEventProcessorService extends EventProcessorService[ResourceEvent] {
54 override def parseJsonBytes(data: Array[Byte]) = ResourceEvent.fromBytes(data)
56 override def forward(event: ResourceEvent): Unit = {
58 val businessLogicDispacther = _configurator.actorProvider.actorForRole(DispatcherRole)
59 businessLogicDispacther ! ProcessResourceEvent(event)
63 override def exists(event: ResourceEvent): Boolean =
64 _configurator.resourceEventStore.findResourceEventById(event.id).isJust
66 override def persist(event: ResourceEvent, initialPayload: Array[Byte]): Unit = {
67 // 1. Store to local FS for debugging purposes.
68 // BUT be resilient to errors, since this is not critical
69 if(_configurator.eventsStoreFolder.isJust) {
71 LocalFSEventStore.storeResourceEvent(_configurator, event, initialPayload)
76 _configurator.resourceEventStore.storeResourceEvent(event)
80 protected def persistUnparsed(initialPayload: Array[Byte], exception: Throwable): Unit = {
81 // TODO: Also save to DB, just like we do for UserEvents
82 LocalFSEventStore.storeUnparsedResourceEvent(_configurator, initialPayload, exception)
85 override def queueReaderThreads: Int = 1
87 override def persisterThreads: Int = numCPUs + 4
89 override def numQueueActors: Int = 1 * queueReaderThreads
91 override def numPersisterActors: Int = 2 * persisterThreads
93 override def name = "resevtproc"
95 lazy val persister = new PersisterManager
96 lazy val queueReader = new QueueReaderManager
98 override def persisterManager = persister
100 override def queueReaderManager = queueReader
104 val (ms0, ms1, _) = TimeHelpers.timed {
105 declareQueues(Keys.amqp_resevents_queues)
112 val (ms0, ms1, _) = TimeHelpers.timed {
113 queueReaderManager.stop()
114 persisterManager.stop()