public class TransformedSortedMap extends TransformedMap implements java.util.SortedMap
SortedMap
to transform objects that are added.
The Map put methods and Map.Entry setValue method are affected by this class. Thus objects must be removed or searched for using their transformed form. For example, if the transformation converts Strings to Integers, you must use the Integer form to remove objects.
Note that TransformedSortedMap is not synchronized and is not thread-safe.
If you wish to use this map from multiple threads concurrently, you must use
appropriate synchronization. The simplest approach is to wrap this map
using Collections.synchronizedSortedMap(java.util.SortedMap<K, V>)
. This class may throw
exceptions when accessed by concurrent threads without synchronization.
This class is Serializable from Commons Collections 3.1.
Modifier and Type | Method and Description |
---|---|
java.util.Comparator |
comparator() |
static java.util.SortedMap |
decorate(java.util.SortedMap map,
Transformer keyTransformer,
Transformer valueTransformer)
Factory method to create a transforming sorted map.
|
static java.util.SortedMap |
decorateTransform(java.util.SortedMap map,
Transformer keyTransformer,
Transformer valueTransformer)
Factory method to create a transforming sorted map that will transform
existing contents of the specified map.
|
java.util.Set |
entrySet() |
java.lang.Object |
firstKey() |
java.util.SortedMap |
headMap(java.lang.Object toKey) |
java.lang.Object |
lastKey() |
java.util.SortedMap |
subMap(java.lang.Object fromKey,
java.lang.Object toKey) |
java.util.SortedMap |
tailMap(java.lang.Object fromKey) |
decorate, decorateTransform, put, putAll
clear, containsKey, containsValue, equals, get, hashCode, isEmpty, keySet, remove, size, toString, values
public static java.util.SortedMap decorate(java.util.SortedMap map, Transformer keyTransformer, Transformer valueTransformer)
If there are any elements already in the map being decorated, they
are NOT transformed.
Constrast this with decorateTransform(java.util.SortedMap, org.apache.commons.collections.Transformer, org.apache.commons.collections.Transformer)
.
map
- the map to decorate, must not be nullkeyTransformer
- the predicate to validate the keys, null means no transformationvalueTransformer
- the predicate to validate to values, null means no transformationjava.lang.IllegalArgumentException
- if the map is nullpublic static java.util.SortedMap decorateTransform(java.util.SortedMap map, Transformer keyTransformer, Transformer valueTransformer)
If there are any elements already in the map being decorated, they
will be transformed by this method.
Constrast this with decorate(java.util.SortedMap, org.apache.commons.collections.Transformer, org.apache.commons.collections.Transformer)
.
map
- the map to decorate, must not be nullkeyTransformer
- the transformer to use for key conversion, null means no transformationvalueTransformer
- the transformer to use for value conversion, null means no transformationjava.lang.IllegalArgumentException
- if map is nullpublic java.lang.Object firstKey()
firstKey
in interface java.util.SortedMap
public java.lang.Object lastKey()
lastKey
in interface java.util.SortedMap
public java.util.Comparator comparator()
comparator
in interface java.util.SortedMap
public java.util.SortedMap subMap(java.lang.Object fromKey, java.lang.Object toKey)
subMap
in interface java.util.SortedMap
public java.util.SortedMap headMap(java.lang.Object toKey)
headMap
in interface java.util.SortedMap
public java.util.SortedMap tailMap(java.lang.Object fromKey)
tailMap
in interface java.util.SortedMap
public java.util.Set entrySet()
entrySet
in interface java.util.Map
entrySet
in class AbstractMapDecorator
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