Class QueuedReader<T>

java.lang.Object

org.ojalgo.netio.QueuedReader<T>

All Implemented Interfaces:

Closeable, AutoCloseable, Iterable<T>, FromFileReader<T>

final class QueuedReader<T>
extends Object
implements FromFileReader<T>

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static final class	QueuedReader.Worker<T>

Nested classes/interfaces inherited from interface FromFileReader

FromFileReader.Builder<F>

Field Summary

Fields

Modifier and Type	Field	Description
private final Future<?>[]	myFutures
private final BlockingQueue<T>	myQueue
private final FromFileReader<T>[]	myReaders

Constructor Summary

Constructors

Constructor	Description
QueuedReader(ExecutorService executor, BlockingQueue<T> queue, FromFileReader<T>... readers)	Multiple suppliers supply to a queue, then you get from that queue.

Method Summary

Modifier and Type	Method	Description
void	close()
int	drainTo(Collection<? super T> container, int maxElements)	Behaves similar to BlockingQueue.drainTo(Collection, int) except that returning 0 means there are no more items to read.
private boolean	isDone()
T	read()	Returning null indicates that there are no more items to read.

Methods inherited from class Object

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

Methods inherited from interface FromFileReader

forEachInBacthes, iterator, map, stream

Methods inherited from interface Iterable

forEach, spliterator

Field Details

myFutures

private final Future<?>[] myFutures

myQueue

private final BlockingQueue<T> myQueue

myReaders

private final FromFileReader<T>[] myReaders

Constructor Details

QueuedReader

QueuedReader(ExecutorService executor,
 BlockingQueue<T> queue,
 FromFileReader<T>... readers)

Multiple suppliers supply to a queue, then you get from that queue. There will be 1 thread (executor task) per supplier.

Method Details

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface FromFileReader<T>

Throws:

IOException

drainTo

public int drainTo(Collection<? super T> container,
 int maxElements)

Description copied from interface: FromFileReader

Behaves similar to BlockingQueue.drainTo(Collection, int) except that returning 0 means there are no more items to read.

Specified by:

drainTo in interface FromFileReader<T>

read

public T read()

Description copied from interface: FromFileReader

Returning null indicates that there are no more items to read. That's the same behaviour as BufferedReader.readLine(). All implementations must return null precisely once.

Specified by:

read in interface FromFileReader<T>

isDone

private boolean isDone()