java.lang.Object
- org.apache.commons.collections.map.AbstractMapDecorator
- - org.apache.commons.collections.map.AbstractSortedMapDecorator
  - - org.apache.commons.collections.map.UnmodifiableSortedMap

All Implemented Interfaces:

Serializable, Map, SortedMap, Unmodifiable
```
public final class UnmodifiableSortedMap
extends AbstractSortedMapDecorator
implements Unmodifiable, Serializable
```
Decorates another SortedMap to ensure it can't be altered.
This class is Serializable from Commons Collections 3.1.

Since:

Commons Collections 3.0

Version:

$Revision: 646777 $ $Date: 2008-04-10 14:33:15 +0200 (Thu, 10 Apr 2008) $

Author:

Stephen Colebourne

See Also:

Serialized Form

Nested Class Summary
- Nested classes/interfaces inherited from interface java.util.Map
  Map.Entry<K extends Object,V extends Object>

Field Summary
- Fields inherited from class org.apache.commons.collections.map.AbstractMapDecorator
  map

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`clear()`
`Comparator`	`comparator()`
`static SortedMap`	`decorate(SortedMap map)`	Factory method to create an unmodifiable sorted map.
`Set`	`entrySet()`
`Object`	`firstKey()`
`SortedMap`	`headMap(Object toKey)`
`Set`	`keySet()`
`Object`	`lastKey()`
`Object`	`put(Object key, Object value)`
`void`	`putAll(Map mapToCopy)`
`Object`	`remove(Object key)`
`SortedMap`	`subMap(Object fromKey, Object toKey)`
`SortedMap`	`tailMap(Object fromKey)`
`Collection`	`values()`

Methods inherited from class org.apache.commons.collections.map.AbstractSortedMapDecorator
getSortedMap

Methods inherited from class org.apache.commons.collections.map.AbstractMapDecorator
containsKey, containsValue, equals, get, getMap, hashCode, isEmpty, size, toString

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map
compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, equals, forEach, get, getOrDefault, hashCode, isEmpty, merge, putIfAbsent, remove, replace, replace, replaceAll, size

- Method Detail
  - decorate
```
public static SortedMap decorate(SortedMap map)
```
    Factory method to create an unmodifiable sorted map.
    
    Parameters:
    
    map - the map to decorate, must not be null
    
    Throws:
    
    IllegalArgumentException - if map is null
  - clear
```
public void clear()
```
    Specified by:
    
    clear in interface Map
    
    Overrides:
    
    clear in class AbstractMapDecorator
  - put
```
public Object put(Object key,
                  Object value)
```
    Specified by:
    
    put in interface Map
    
    Overrides:
    
    put in class AbstractMapDecorator
  - putAll
```
public void putAll(Map mapToCopy)
```
    Specified by:
    
    putAll in interface Map
    
    Overrides:
    
    putAll in class AbstractMapDecorator
  - remove
```
public Object remove(Object key)
```
    Specified by:
    
    remove in interface Map
    
    Overrides:
    
    remove in class AbstractMapDecorator
  - entrySet
```
public Set entrySet()
```
    Specified by:
    
    entrySet in interface Map
    
    Specified by:
    
    entrySet in interface SortedMap
    
    Overrides:
    
    entrySet in class AbstractMapDecorator
  - keySet
```
public Set keySet()
```
    Specified by:
    
    keySet in interface Map
    
    Specified by:
    
    keySet in interface SortedMap
    
    Overrides:
    
    keySet in class AbstractMapDecorator
  - values
```
public Collection values()
```
    Specified by:
    
    values in interface Map
    
    Specified by:
    
    values in interface SortedMap
    
    Overrides:
    
    values in class AbstractMapDecorator
  - firstKey
```
public Object firstKey()
```
    Specified by:
    
    firstKey in interface SortedMap
    
    Overrides:
    
    firstKey in class AbstractSortedMapDecorator
  - lastKey
```
public Object lastKey()
```
    Specified by:
    
    lastKey in interface SortedMap
    
    Overrides:
    
    lastKey in class AbstractSortedMapDecorator
  - comparator
```
public Comparator comparator()
```
    Specified by:
    
    comparator in interface SortedMap
    
    Overrides:
    
    comparator in class AbstractSortedMapDecorator
  - subMap
```
public SortedMap subMap(Object fromKey,
                        Object toKey)
```
    Specified by:
    
    subMap in interface SortedMap
    
    Overrides:
    
    subMap in class AbstractSortedMapDecorator
  - headMap
```
public SortedMap headMap(Object toKey)
```
    Specified by:
    
    headMap in interface SortedMap
    
    Overrides:
    
    headMap in class AbstractSortedMapDecorator
  - tailMap
```
public SortedMap tailMap(Object fromKey)
```
    Specified by:
    
    tailMap in interface SortedMap
    
    Overrides:
    
    tailMap in class AbstractSortedMapDecorator

Class UnmodifiableSortedMap

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

Field Summary

Fields inherited from class org.apache.commons.collections.map.AbstractMapDecorator

Method Summary

Methods inherited from class org.apache.commons.collections.map.AbstractSortedMapDecorator

Methods inherited from class org.apache.commons.collections.map.AbstractMapDecorator

Methods inherited from class java.lang.Object

Methods inherited from interface java.util.Map

Method Detail

decorate

clear

put

putAll

remove

entrySet

keySet

values

firstKey

lastKey

comparator

subMap

headMap

tailMap