Package com.tangosol.util

Class SimpleStreamer<T>

java.lang.Object

com.tangosol.util.SimpleStreamer<T>

All Implemented Interfaces:

Streamer<T>, Iterator<T>

public class SimpleStreamer<T>
extends Object
implements Streamer<T>

Simple implementation of a Streamer.

Since:

12.2.1

Author:

as 2015.05.07

Field Summary

Fields inherited from interface com.tangosol.util.Streamer

ALL_INCLUSIVE, SIZED

Constructor Summary

Constructors

Modifier	Constructor	Description
	SimpleStreamer(Iterable<T> iterable)	Construct Streamer based on Iterable.
	SimpleStreamer(Collection<T> coll)	Construct Streamer based on Collection.
	SimpleStreamer(Iterator<T> iterator)	Construct Streamer based on Iterator.
protected	SimpleStreamer(Iterator<T> iterator, long cSize, int nCharacteristics)	Construct Streamer instance.
	SimpleStreamer(Stream<T> stream)	Construct Streamer based on Stream.

Method Summary

Modifier and Type	Method	Description
int	characteristics()	A bit mask representing the set of characteristics of this Streamer.
boolean	hasNext()
T	next()
long	size()	Return the exact size of the data set this Streamer will iterate over, or negative integer if the exact size is unknown.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Methods inherited from interface com.tangosol.util.Streamer

isAllInclusive, isSized, remove, spliterator, stream

Constructor Detail

SimpleStreamer

public SimpleStreamer(Iterable<T> iterable)

Construct Streamer based on Iterable.

Parameters:

iterable - an Iterable to create Streamer from

SimpleStreamer

public SimpleStreamer(Iterator<T> iterator)

Construct Streamer based on Iterator.

Parameters:

iterator - an Iterator to create Streamer from

SimpleStreamer

public SimpleStreamer(Stream<T> stream)

Construct Streamer based on Stream.

Parameters:

stream - a Stream to create Streamer from

SimpleStreamer

public SimpleStreamer(Collection<T> coll)

Construct Streamer based on Collection.

Parameters:

coll - a Collection to create Streamer from

SimpleStreamer

protected SimpleStreamer(Iterator<T> iterator,
                         long cSize,
                         int nCharacteristics)

Construct Streamer instance.

Parameters:

iterator - an Iterator to create Streamer from

cSize - the number of elements this Streamer will iterate over

nCharacteristics - the bit mask representing this Streamer's characteristics

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<T>

next

public T next()

Specified by:

next in interface Iterator<T>

size

public long size()

Description copied from interface: Streamer

Return the exact size of the data set this Streamer will iterate over, or negative integer if the exact size is unknown.

Specified by:

size in interface Streamer<T>

Returns:

the exact size of the data set this Streamer will iterate over, or negative integer if the exact size is unknown

characteristics

public int characteristics()

Description copied from interface: Streamer

A bit mask representing the set of characteristics of this Streamer.

Specified by:

characteristics in interface Streamer<T>

Returns:

a bit mask representing the set of characteristics of this Streamer