org.apache.flink.runtime.operators.sort

Class UnilateralSortMerger.ReadingThread<E>

java.lang.Object

java.lang.Thread

org.apache.flink.runtime.operators.sort.UnilateralSortMerger.ThreadBase<E>

org.apache.flink.runtime.operators.sort.UnilateralSortMerger.ReadingThread<E>

All Implemented Interfaces:

Runnable, Thread.UncaughtExceptionHandler

Enclosing class:

UnilateralSortMerger<E>

protected static class UnilateralSortMerger.ReadingThread<E>
extends UnilateralSortMerger.ThreadBase<E>

The thread that consumes the input data and puts it into a buffer that will be sorted.

Nested Class Summary

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

Thread.State, Thread.UncaughtExceptionHandler

Field Summary

Fields inherited from class org.apache.flink.runtime.operators.sort.UnilateralSortMerger.ThreadBase

queues

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Constructor and Description
ReadingThread(ExceptionHandler<IOException> exceptionHandler, org.apache.flink.util.MutableObjectIterator<E> reader, UnilateralSortMerger.CircularQueues<E> queues, LargeRecordHandler<E> largeRecordsHandler, E readTarget, AbstractInvokable parentTask, long startSpillingBytes) Creates a new reading thread.

Method Summary

Modifier and Type	Method and Description
void	go() The entry point for the thread.

Methods inherited from class org.apache.flink.runtime.operators.sort.UnilateralSortMerger.ThreadBase

internalHandleException, isRunning, run, shutdown, uncaughtException

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

Constructor Detail

ReadingThread

public ReadingThread(ExceptionHandler<IOException> exceptionHandler,
                     org.apache.flink.util.MutableObjectIterator<E> reader,
                     UnilateralSortMerger.CircularQueues<E> queues,
                     LargeRecordHandler<E> largeRecordsHandler,
                     E readTarget,
                     AbstractInvokable parentTask,
                     long startSpillingBytes)

Creates a new reading thread.

Parameters:

exceptionHandler - The exception handler to call for all exceptions.

reader - The reader to pull the data from.

queues - The queues used to pass buffers between the threads.

parentTask - The task that started this thread. If non-null, it is used to register this thread.

Method Detail

go

public void go()
        throws IOException

The entry point for the thread. Gets a buffer for all threads and then loops as long as there is input available.

Specified by:

go in class UnilateralSortMerger.ThreadBase<E>

Throws:

IOException - Exceptions that prohibit correct completion of the work may be thrown by the thread.