Package com.terracottatech.store.function

Class SelectionImpl<T>

java.lang.Object

com.terracottatech.store.function.SelectionImpl<T>

All Implemented Interfaces:

Selection<T>, Iterable<T>, Collection<T>

Direct Known Subclasses:

TypedValueSelectionImpl

public class SelectionImpl<T>
extends Object
implements Selection<T>

Nested Class Summary

Nested classes/interfaces inherited from interface com.terracottatech.store.Selection

Selection.ComparableSelection<T extends Comparable<T>>, Selection.DoubleSelection, Selection.IntSelection, Selection.LongSelection, Selection.NumberSelection<T extends Number & Comparable<T>>

Constructor Summary

Constructors

Constructor	Description
SelectionImpl()
SelectionImpl(Collection<T> list)

Method Summary

Modifier and Type	Method	Description
boolean	addAll(Collection<? extends T> c)
boolean	contains(Object o)
boolean	containsAll(Collection<?> c)
Optional<T>	get(int index)	Fetch a value at a specific index in the Selection.
boolean	isEmpty()
Iterator<T>	iterator()
int	size()
Object[]	toArray()
<T1> T1[]	toArray(T1[] a)
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

equals, hashCode, parallelStream, spliterator, stream, toArray

Methods inherited from interface java.lang.Iterable

forEach

Methods inherited from interface com.terracottatech.store.Selection

add, clear, first, firstOrElse, firstOrFail, getOrElse, getOrFail, last, lastOrElse, lastOrFail, remove, removeAll, removeIf, retainAll, sole, soleOrElse

Constructor Details

SelectionImpl

public SelectionImpl()

SelectionImpl

public SelectionImpl(Collection<T> list)

Method Details

get

public Optional<T> get(int index)

Description copied from interface: Selection

Fetch a value at a specific index in the Selection. If the resolved index is outside the bounds of 0...size(), Optional.empty() will be returned. It supports negative indexes to allow for easy retrieval of tail values.

Specified by:

get in interface Selection<T>

Parameters:

index - 0..size()-1, returns the value at the index. If < 0, returns the value at size()-index (so -1 returns the last, -2 returns 1 from the last, etc).

Returns:

Optional of value.

size

public int size()

Specified by:

size in interface Collection<T>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Collection<T>

contains

public boolean contains(Object o)

Specified by:

contains in interface Collection<T>

iterator

public Iterator<T> iterator()

Specified by:

iterator in interface Collection<T>

Specified by:

iterator in interface Iterable<T>

toArray

public Object[] toArray()

Specified by:

toArray in interface Collection<T>

toArray

public <T1> T1[] toArray(T1[] a)

Specified by:

toArray in interface Collection<T>

containsAll

public boolean containsAll(Collection<?> c)

Specified by:

containsAll in interface Collection<T>

addAll

public boolean addAll(Collection<? extends T> c)

Specified by:

addAll in interface Collection<T>

toString

public String toString()

Overrides:

toString in class Object