Package com.github.tommyettinger.ds

Class ObjectObjectMap.Keys<K,V>

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractSet<K>

com.github.tommyettinger.ds.ObjectObjectMap.Keys<K,V>

All Implemented Interfaces:

EnhancedCollection<K>, Iterable<K>, Collection<K>, Set<K>

Direct Known Subclasses:

CaseInsensitiveMap.CaseInsensitiveKeys, ObjectObjectOrderedMap.OrderedMapKeys

Enclosing class:

ObjectObjectMap<K,V>

public static class ObjectObjectMap.Keys<K,V>
extends AbstractSet<K>
implements EnhancedCollection<K>

Field Summary

Fields

Modifier and Type	Field	Description
protected ObjectObjectMap.MapIterator<K,V,K>	iter

Constructor Summary

Constructors

Constructor	Description
Keys(ObjectObjectMap<K,V> map)

Method Summary

Modifier and Type	Method	Description
Collection<K>	appendInto(Collection<K> coll)	Append the remaining items that this can iterate through into the given Collection.
boolean	contains(Object o)
int	hashCode()
ObjectObjectMap.MapIterator<K,V,K>	iterator()	Returns an iterator over the elements contained in this collection.
void	resetIterator()	The iterator is reused by this data structure, and you can reset it back to the start of the iteration order using this.
int	size()
ObjectList<K>	toList()	Returns a new ObjectList containing the remaining items.
String	toString()

Methods inherited from class java.util.AbstractSet

equals, removeAll

Methods inherited from class java.util.AbstractCollection

add, addAll, clear, containsAll, isEmpty, remove, retainAll, toArray, toArray

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream, toArray

Methods inherited from interface com.github.tommyettinger.ds.EnhancedCollection

add, add, add, addAll, addAll, addAll, addAllIterable, addLegible, addLegible, addVarargs, appendTo, appendTo, containsAll, containsAll, containsAll, containsAllIterable, containsAny, containsAny, containsAny, containsAnyIterable, first, removeAll, removeAll, removeAll, removeAllIterable, removeEach, removeEach, removeEach, removeEachIterable, toString, toString, toString

Methods inherited from interface java.lang.Iterable

forEach

Methods inherited from interface java.util.Set

add, addAll, clear, containsAll, isEmpty, remove, retainAll, spliterator, toArray, toArray

Field Details

iter

protected ObjectObjectMap.MapIterator<K,V,K> iter

Constructor Details

Keys

public Keys(ObjectObjectMap<K,V> map)

Method Details

contains

public boolean contains(Object o)

Specified by:

contains in interface Collection<K>

Specified by:

contains in interface Set<K>

Overrides:

contains in class AbstractCollection<K>

iterator

public ObjectObjectMap.MapIterator<K,V,K> iterator()

Returns an iterator over the elements contained in this collection.

Specified by:

iterator in interface Collection<K>

Specified by:

iterator in interface Iterable<K>

Specified by:

iterator in interface Set<K>

Specified by:

iterator in class AbstractCollection<K>

Returns:

an iterator over the elements contained in this collection

size

public int size()

Specified by:

size in interface Collection<K>

Specified by:

size in interface Set<K>

Specified by:

size in class AbstractCollection<K>

hashCode

public int hashCode()

Specified by:

hashCode in interface Collection<K>

Specified by:

hashCode in interface Set<K>

Overrides:

hashCode in class AbstractSet<K>

toString

public String toString()

Overrides:

toString in class AbstractCollection<K>

resetIterator

public void resetIterator()

The iterator is reused by this data structure, and you can reset it back to the start of the iteration order using this.

toList

public ObjectList<K> toList()

Returns a new ObjectList containing the remaining items. Does not change the position of this iterator.

appendInto

public Collection<K> appendInto(Collection<K> coll)

Append the remaining items that this can iterate through into the given Collection. Does not change the position of this iterator.

Parameters:

coll - any modifiable Collection; may have items appended into it

Returns:

the given collection