| Package | Description |
|---|---|
| org.apache.commons.collections4 |
This package contains the interfaces and utilities shared across all the subpackages of this component.
|
| org.apache.commons.collections4.bidimap | |
| org.apache.commons.collections4.map |
| Class and Description |
|---|
| MultiValueMap
Deprecated.
since 4.1, use
MultiValuedMap instead |
| Class and Description |
|---|
| AbstractIterableMap
Provide a basic
IterableMap implementation. |
| AbstractMapDecorator
Provides a base decorator that enables additional functionality to be added
to a Map via decoration.
|
| AbstractSortedMapDecorator
Provides a base decorator that enables additional functionality to be added
to a Map via decoration.
|
| Class and Description |
|---|
| AbstractHashedMap
An abstract implementation of a hash-based map which provides numerous points for
subclasses to override.
|
| AbstractHashedMap.HashEntry
HashEntry used to store the data.
|
| AbstractHashedMap.HashIterator
Base Iterator
|
| AbstractIterableMap
Provide a basic
IterableMap implementation. |
| AbstractLinkedMap
An abstract implementation of a hash-based map that links entries to create an
ordered map and which provides numerous points for subclasses to override.
|
| AbstractLinkedMap.LinkEntry
LinkEntry that stores the data.
|
| AbstractLinkedMap.LinkIterator
Base Iterator that iterates in link order.
|
| AbstractMapDecorator
Provides a base decorator that enables additional functionality to be added
to a Map via decoration.
|
| AbstractOrderedMapDecorator
Provides a base decorator that enables additional functionality to be added
to an OrderedMap via decoration.
|
| AbstractReferenceMap
An abstract implementation of a hash-based map that allows the entries to
be removed by the garbage collector.
|
| AbstractReferenceMap.ReferenceEntry
A MapEntry implementation for the map.
|
| AbstractReferenceMap.ReferenceStrength
Reference type enum.
|
| AbstractSortedMapDecorator
Provides a base decorator that enables additional functionality to be added
to a Map via decoration.
|
| CaseInsensitiveMap
A case-insensitive
Map. |
| CompositeMap
Decorates a map of other maps to provide a single unified view.
|
| CompositeMap.MapMutator
This interface allows definition for all of the indeterminate
mutators in a CompositeMap, as well as providing a hook for
callbacks on key collisions.
|
| DefaultedMap
Decorates another
Map returning a default value if the map
does not contain the requested key. |
| EntrySetToMapIteratorAdapter
Adapts a Map entrySet to the MapIterator interface.
|
| FixedSizeMap
Decorates another
Map to fix the size, preventing add/remove. |
| FixedSizeSortedMap
Decorates another
SortedMap to fix the size blocking add/remove. |
| Flat3Map
A
Map implementation that stores data in simple fields until
the size is greater than 3. |
| HashedMap
A
Map implementation that is a general purpose alternative
to HashMap. |
| LazyMap
Decorates another
Map to create objects in the map on demand. |
| LazySortedMap
Decorates another
SortedMap to create objects in the map on demand. |
| LinkedMap
A
Map implementation that maintains the order of the entries. |
| ListOrderedMap
Decorates a
Map to ensure that the order of addition is retained
using a List to maintain order. |
| LRUMap
A
Map implementation with a fixed maximum size which removes
the least recently used entry if an entry is added when full. |
| MultiKeyMap
A
Map implementation that uses multiple keys to map the value. |
| MultiValueMap
Deprecated.
since 4.1, use
MultiValuedMap instead |
| PassiveExpiringMap.ExpirationPolicy
A policy to determine the expiration time for key-value entries.
|
| PredicatedMap
Decorates another
Map to validate that additions
match a specified predicate. |
| PredicatedSortedMap
Decorates another
SortedMap to validate that additions
match a specified predicate. |
| SingletonMap
A
Map implementation that holds a single item and is fixed size. |
| TransformedMap
Decorates another
Map to transform objects that are added. |
| TransformedSortedMap
Decorates another
SortedMap to transform objects that are added. |
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