Package org.moeaframework.analysis.stream

Class ImmutableDataStream<V>

java.lang.Object

org.moeaframework.analysis.stream.ImmutableDataStream<V>

Type Parameters:

V - the type of each value in the data stream

All Implemented Interfaces:

Iterable<V>, DataStream<V>, Displayable, Formattable<V>

public class ImmutableDataStream<V>
extends Object
implements DataStream<V>

A data stream storing the intermediate, materialized content of the stream.

Constructor Summary

Constructors

Constructor	Description
ImmutableDataStream()	Constructs a new, empty data stream.
ImmutableDataStream(Iterable<V> iterable)	Constructs a new data stream with the given content.
ImmutableDataStream(List<V> list)	Constructs a new data stream with the given content.
ImmutableDataStream(Stream<V> stream)	Constructs a new data stream with the given content.

Method Summary

Modifier and Type	Method	Description
Iterator<V>	iterator()
int	size()	Returns the number of values in this data stream.
Stream<V>	stream()	Returns a Stream of the values in this data stream.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.moeaframework.analysis.stream.DataStream

any, asTabularData, distinct, enumerate, filter, first, groupBy, isEmpty, keyedOn, map, measure, reduce, reduce, single, singleOrDefault, skip, sorted, sorted, values, values

Methods inherited from interface org.moeaframework.util.format.Displayable

display

Methods inherited from interface org.moeaframework.util.format.Formattable

display, display, display, save, save, save

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Details

ImmutableDataStream

public ImmutableDataStream()

Constructs a new, empty data stream.

ImmutableDataStream

public ImmutableDataStream(List<V> list)

Constructs a new data stream with the given content.

Parameters:

list - the list of values

ImmutableDataStream

public ImmutableDataStream(Stream<V> stream)

Constructs a new data stream with the given content.

Parameters:

stream - the stream of values

ImmutableDataStream

public ImmutableDataStream(Iterable<V> iterable)

Constructs a new data stream with the given content.

Parameters:

iterable - the iterable of values

Method Details

size

public int size()

Description copied from interface: DataStream

Returns the number of values in this data stream.

Specified by:

size in interface DataStream<V>

Returns:

the number of values

stream

public Stream<V> stream()

Description copied from interface: DataStream

Returns a Stream of the values in this data stream.

Specified by:

stream in interface DataStream<V>

Returns:

the stream

iterator

public Iterator<V> iterator()

Specified by:

iterator in interface Iterable<V>