org.cripac.isee.vpe.ctrl

Class TaskController

java.lang.Object

java.lang.Thread

org.cripac.isee.vpe.ctrl.TaskController

All Implemented Interfaces:

Runnable

public class TaskController
extends Thread

The TaskController retrieves the latest 100 termination signals from Kafka and store in a pool. A terminal signal is a task UUID sent to the TERM_SIG topic. TODO: Provide interface for selecting tasks to terminal, so that users do not need to know the exact task UUIDs.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

Thread.State, Thread.UncaughtExceptionHandler

Field Summary

Fields

Modifier and Type	Field and Description
private org.apache.kafka.clients.consumer.KafkaConsumer<String,byte[]>	consumer
private Logger	logger
Set<UUID>	termSigPool
private LinkedList<UUID>	termSigQueue

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Constructor and Description
TaskController(SystemPropertyCenter propCenter, Logger logger)

Method Summary

Modifier and Type	Method and Description
void	run()

Methods inherited from class java.lang.Thread

activeCount, checkAccess, clone, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

termSigPool

public final Set<UUID> termSigPool

termSigQueue

private final LinkedList<UUID> termSigQueue

consumer

private final org.apache.kafka.clients.consumer.KafkaConsumer<String,byte[]> consumer

logger

private final Logger logger

Constructor Detail

TaskController

public TaskController(SystemPropertyCenter propCenter,
                      Logger logger)

Method Detail

run

public void run()

Specified by:

run in interface Runnable

Overrides:

run in class Thread