SubKeyMap (Apache MyFaces Core 4.0 - Impl 4.0.0-RC3 API)

java.lang.Object
- java.util.AbstractMap<String,V>
- - org.apache.myfaces.util.lang.SubKeyMap<V>

All Implemented Interfaces:

Map<String,V>
```
public final class SubKeyMap<V>
extends AbstractMap<String,V>
```
Map that wraps another to provide an isolated namespace using a prefix. This is especially handy for storing properties on the session in a structured manner without putting them into a true "Map" - because storing in a Map breaks session failover. (Session failover won't trigger on mutations of contained objects.)
Note that there is a potential design flaw; if you create a SubKeyMap for "mypackage.foo" and for "mypackage.foo.bar", all the keys in the latter will actually show up in the former (prefixed by ".bar"). This "flaw" is actually relied on by PageFlowScopeMap (since it provides a handy way to clear out all descendents), so don't "fix" it!

Nested Class Summary
- Nested classes/interfaces inherited from class java.util.AbstractMap
  AbstractMap.SimpleEntry<K extends Object,V extends Object>, AbstractMap.SimpleImmutableEntry<K extends Object,V extends Object>

Constructor Summary

Constructors
Constructor Description

SubKeyMap(Map<String,Object> base, String prefix)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`containsKey(Object key)`
`Set<Map.Entry<String,V>>`	`entrySet()`
`V`	`get(Object key)`
`boolean`	`isEmpty()`
`V`	`put(String key, V value)`
`V`	`remove(Object key)`

Methods inherited from class java.util.AbstractMap
clear, clone, containsValue, equals, hashCode, keySet, putAll, size, toString, values

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

Methods inherited from interface java.util.Map
compute, computeIfAbsent, computeIfPresent, forEach, getOrDefault, merge, putIfAbsent, remove, replace, replace, replaceAll

- Constructor Detail
  - SubKeyMap
```
public SubKeyMap(Map<String,Object> base,
                 String prefix)
```
- Method Detail
  - isEmpty
```
public boolean isEmpty()
```
    Specified by:
    
    isEmpty in interface Map<String,V>
    
    Overrides:
    
    isEmpty in class AbstractMap<String,V>
  - get
```
public V get(Object key)
```
    Specified by:
    
    get in interface Map<String,V>
    
    Overrides:
    
    get in class AbstractMap<String,V>
  - put
```
public V put(String key,
             V value)
```
    Specified by:
    
    put in interface Map<String,V>
    
    Overrides:
    
    put in class AbstractMap<String,V>
  - remove
```
public V remove(Object key)
```
    Specified by:
    
    remove in interface Map<String,V>
    
    Overrides:
    
    remove in class AbstractMap<String,V>
  - containsKey
```
public boolean containsKey(Object key)
```
    Specified by:
    
    containsKey in interface Map<String,V>
    
    Overrides:
    
    containsKey in class AbstractMap<String,V>
  - entrySet
```
public Set<Map.Entry<String,V>> entrySet()
```
    Specified by:
    
    entrySet in interface Map<String,V>
    
    Specified by:
    
    entrySet in class AbstractMap<String,V>