at.chrl.nutils.streams

Class InfiniteStreams

java.lang.Object

at.chrl.nutils.streams.InfiniteStreams

public final class InfiniteStreams
extends Object

Author:

vinzynth Jul 12, 2015 - 12:24:45 AM

Constructor Summary

Constructors

Constructor and Description
InfiniteStreams()

Method Summary

Modifier and Type	Method and Description
static Stream<Integer>	getInfiniteCountingStream(int start, int step) returns a infinite stream which counts
static Stream<Integer>	getInfiniteModuloStream(int start, int step, int mod) returns a infinite stream which counts and calculates modulo
static Stream<Float>	getInfinteRandomStream() returns a infinite stream with random numbers
static <T> Stream<T>	getQueueStream(BlockingQueue<T> queue) Gets infinite queue working stream
static <T> Collection<Thread>	workQueueStream(BlockingQueue<T> queue, Consumer<Stream<T>> streamStack, int threads) Creates some threads which poll the given queue and work down the stack

Methods inherited from class java.lang.Object

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

Constructor Detail

InfiniteStreams

public InfiniteStreams()

Method Detail

getInfiniteCountingStream

public static Stream<Integer> getInfiniteCountingStream(int start,
                                                        int step)

returns a infinite stream which counts

Parameters:

start - - start element

step - - counting step

Returns:

infinite stream

getInfiniteModuloStream

public static Stream<Integer> getInfiniteModuloStream(int start,
                                                      int step,
                                                      int mod)

returns a infinite stream which counts and calculates modulo

Parameters:

start - - start element

mod - - modulo factor

step - - counting step

Returns:

infinite stream

getInfinteRandomStream

public static Stream<Float> getInfinteRandomStream()

returns a infinite stream with random numbers

Returns:

infinites stream

getQueueStream

public static <T> Stream<T> getQueueStream(BlockingQueue<T> queue)

Gets infinite queue working stream

Parameters:

queue - - target queue

Returns:

infinite stream which returns head of queue as it gets available

workQueueStream

public static <T> Collection<Thread> workQueueStream(BlockingQueue<T> queue,
                                                     Consumer<Stream<T>> streamStack,
                                                     int threads)

Creates some threads which poll the given queue and work down the stack

Parameters:

queue -

streamStack -

threads -

Returns:

Collection of started threads