Class AbstractSortedMapDecorator
- java.lang.Object
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- org.apache.commons.collections.map.AbstractMapDecorator
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- org.apache.commons.collections.map.AbstractSortedMapDecorator
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- All Implemented Interfaces:
java.util.Map
,java.util.SortedMap
- Direct Known Subclasses:
FixedSizeSortedMap
,UnmodifiableSortedMap
public abstract class AbstractSortedMapDecorator extends AbstractMapDecorator implements java.util.SortedMap
Provides a base decorator that enables additional functionality to be added to a Map via decoration.Methods are forwarded directly to the decorated map.
This implementation does not perform any special processing with the map views. Instead it simply returns the set/collection from the wrapped map. This may be undesirable, for example if you are trying to write a validating implementation it would provide a loophole around the validation. But, you might want that loophole, so this class is kept simple.
- Since:
- Commons Collections 3.0
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Constructor Summary
Constructors Constructor Description AbstractSortedMapDecorator(java.util.SortedMap map)
Constructor that wraps (not copies).
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.util.Comparator
comparator()
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)
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Methods inherited from class org.apache.commons.collections.map.AbstractMapDecorator
clear, containsKey, containsValue, entrySet, equals, get, hashCode, isEmpty, keySet, put, putAll, remove, size, toString, values
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Method Detail
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comparator
public java.util.Comparator comparator()
- Specified by:
comparator
in interfacejava.util.SortedMap
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firstKey
public java.lang.Object firstKey()
- Specified by:
firstKey
in interfacejava.util.SortedMap
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headMap
public java.util.SortedMap headMap(java.lang.Object toKey)
- Specified by:
headMap
in interfacejava.util.SortedMap
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lastKey
public java.lang.Object lastKey()
- Specified by:
lastKey
in interfacejava.util.SortedMap
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subMap
public java.util.SortedMap subMap(java.lang.Object fromKey, java.lang.Object toKey)
- Specified by:
subMap
in interfacejava.util.SortedMap
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tailMap
public java.util.SortedMap tailMap(java.lang.Object fromKey)
- Specified by:
tailMap
in interfacejava.util.SortedMap
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