java.lang.Object
java.util.AbstractCollection<E>
org.pcollections.AbstractUnmodifiableCollection<E>
org.pcollections.MapPBag<E>
- Type Parameters:
E
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- All Implemented Interfaces:
Serializable
,Iterable<E>
,Collection<E>
,PBag<E>
,PCollection<E>
public final class MapPBag<E>
extends AbstractUnmodifiableCollection<E>
implements PBag<E>, Serializable
A map-backed persistent bag.
If the backing map is thread-safe, then this implementation is thread-safe (assuming Java's AbstractCollection is thread-safe), although its iterators may not be.
- See Also:
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Field Summary
Fields -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionboolean
private int
static <E> MapPBag
<E> boolean
int
hashCode()
iterator()
minusAll
(Collection<?> list) plusAll
(Collection<? extends E> list) int
size()
private static int
Methods inherited from class org.pcollections.AbstractUnmodifiableCollection
add, addAll, clear, remove, removeAll, removeIf, retainAll
Methods inherited from class java.util.AbstractCollection
containsAll, isEmpty, toArray, toArray, toString
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
Methods inherited from interface java.util.Collection
containsAll, isEmpty, parallelStream, removeIf, spliterator, stream, toArray, toArray, toArray
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Field Details
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serialVersionUID
private static final long serialVersionUID- See Also:
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map
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size
private final int size
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Constructor Details
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MapPBag
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Method Details
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empty
- Type Parameters:
E
-- Parameters:
map
-- Returns:
- a PBag backed by an empty version of map, i.e. by map.minusAll(map.keySet())
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size
public int size()- Specified by:
size
in interfaceCollection<E>
- Specified by:
size
in classAbstractCollection<E>
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iterator
- Specified by:
iterator
in interfaceCollection<E>
- Specified by:
iterator
in interfaceIterable<E>
- Specified by:
iterator
in classAbstractCollection<E>
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contains
- Specified by:
contains
in interfaceCollection<E>
- Overrides:
contains
in classAbstractCollection<E>
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hashCode
public int hashCode()- Specified by:
hashCode
in interfaceCollection<E>
- Overrides:
hashCode
in classObject
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equals
- Specified by:
equals
in interfaceCollection<E>
- Overrides:
equals
in classObject
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plus
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minus
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plusAll
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minusAll
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count
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size
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