Package com.tangosol.util
Class AbstractKeyBasedMap.ValuesCollection
- java.lang.Object
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- java.util.AbstractCollection<V>
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- com.tangosol.util.AbstractKeyBasedMap.ValuesCollection
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- All Implemented Interfaces:
Iterable<V>
,Collection<V>
- Direct Known Subclasses:
AbstractKeySetBasedMap.ValuesCollection
- Enclosing class:
- AbstractKeyBasedMap<K,V>
protected class AbstractKeyBasedMap.ValuesCollection extends AbstractCollection<V>
A Collection of values backed by this map.
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Nested Class Summary
Nested Classes Modifier and Type Class Description protected class
AbstractKeyBasedMap.ValuesCollection.ValuesIterator
An Iterator over the values Collection that is backed by the AbstractKeyBasedMap.
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Constructor Summary
Constructors Modifier Constructor Description protected
ValuesCollection()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
clear()
Removes all of the elements from this Collection by clearing the underlying Map.boolean
contains(Object o)
Returns true if this collection contains the specified element.protected Iterator<V>
instantiateIterator()
Factory pattern: Create a values Iterator.boolean
isEmpty()
Returns true if this Set is empty.Iterator<V>
iterator()
Returns an iterator over the elements contained in this collection.boolean
remove(Object o)
Removes the specified element from this Collection of values if it is present by removing the associated key/value mapping from the underlying Map.int
size()
Returns the number of elements in this collection.-
Methods inherited from class java.util.AbstractCollection
add, addAll, containsAll, removeAll, retainAll, toArray, toArray, toString
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
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Methods inherited from interface java.util.Collection
equals, hashCode, parallelStream, removeIf, spliterator, stream, toArray
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Method Detail
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clear
public void clear()
Removes all of the elements from this Collection by clearing the underlying Map.- Specified by:
clear
in interfaceCollection<V>
- Overrides:
clear
in classAbstractCollection<V>
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contains
public boolean contains(Object o)
Returns true if this collection contains the specified element. More formally, returns true if and only if this collection contains at least one element e such that (o==null ? e==null : o.equals(e)).- Specified by:
contains
in interfaceCollection<V>
- Overrides:
contains
in classAbstractCollection<V>
- Parameters:
o
- object to be checked for containment in this collection- Returns:
- true if this collection contains the specified element
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isEmpty
public boolean isEmpty()
Returns true if this Set is empty.- Specified by:
isEmpty
in interfaceCollection<V>
- Overrides:
isEmpty
in classAbstractCollection<V>
- Returns:
- true if this Set is empty
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iterator
public Iterator<V> iterator()
Returns an iterator over the elements contained in this collection.- Specified by:
iterator
in interfaceCollection<V>
- Specified by:
iterator
in interfaceIterable<V>
- Specified by:
iterator
in classAbstractCollection<V>
- Returns:
- an iterator over the elements contained in this collection
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remove
public boolean remove(Object o)
Removes the specified element from this Collection of values if it is present by removing the associated key/value mapping from the underlying Map.- Specified by:
remove
in interfaceCollection<V>
- Overrides:
remove
in classAbstractCollection<V>
- Parameters:
o
- object to be removed from this Collection, if present- Returns:
- true if the Collection contained the specified element
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size
public int size()
Returns the number of elements in this collection.- Specified by:
size
in interfaceCollection<V>
- Specified by:
size
in classAbstractCollection<V>
- Returns:
- the number of elements in this collection
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