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Java Source Code / Java Documentation » Library » Apache common Collections » org.apache.commons.collections.map 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.apache.commons.collections.map.AbstractMapDecorator
      org.apache.commons.collections.map.AbstractInputCheckedMapDecorator
         org.apache.commons.collections.map.PredicatedMap
            org.apache.commons.collections.map.PredicatedSortedMap

PredicatedSortedMap
public class PredicatedSortedMap extends PredicatedMap implements SortedMap(Code)
Decorates another SortedMap to validate that additions match a specified predicate.

This map exists to provide validation for the decorated map. It is normally created to decorate an empty map. If an object cannot be added to the map, an IllegalArgumentException is thrown.

One usage would be to ensure that no null keys are added to the map.

SortedMap map = PredicatedSortedSet.decorate(new TreeMap(), NotNullPredicate.INSTANCE, null);

Note that PredicatedSortedMap 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 java.util.Collections.synchronizedSortedMap . This class may throw exceptions when accessed by concurrent threads without synchronization.

This class is Serializable from Commons Collections 3.1.
since:
   Commons Collections 3.0
version:
   $Revision: 348007 $ $Date: 2005-11-21 22:52:57 +0000 (Mon, 21 Nov 2005) $
author:
   Stephen Colebourne
author:
   Paul Jack




Constructor Summary
protected  PredicatedSortedMap(SortedMap map, Predicate keyPredicate, Predicate valuePredicate)
     Constructor that wraps (not copies).

Method Summary
public  Comparatorcomparator()
    
public static  SortedMapdecorate(SortedMap map, Predicate keyPredicate, Predicate valuePredicate)
     Factory method to create a predicated (validating) sorted map.
public  ObjectfirstKey()
    
protected  SortedMapgetSortedMap()
     Gets the map being decorated.
public  SortedMapheadMap(Object toKey)
    
public  ObjectlastKey()
    
public  SortedMapsubMap(Object fromKey, Object toKey)
    
public  SortedMaptailMap(Object fromKey)
    


Constructor Detail
PredicatedSortedMap
protected PredicatedSortedMap(SortedMap map, Predicate keyPredicate, Predicate valuePredicate)(Code)
Constructor that wraps (not copies).
Parameters:
  map - the map to decorate, must not be null
Parameters:
  keyPredicate - the predicate to validate the keys, null means no check
Parameters:
  valuePredicate - the predicate to validate to values, null means no check
throws:
  IllegalArgumentException - if the map is null




Method Detail
comparator
public Comparator comparator()(Code)



decorate
public static SortedMap decorate(SortedMap map, Predicate keyPredicate, Predicate valuePredicate)(Code)
Factory method to create a predicated (validating) sorted map.

If there are any elements already in the list being decorated, they are validated.
Parameters:
  map - the map to decorate, must not be null
Parameters:
  keyPredicate - the predicate to validate the keys, null means no check
Parameters:
  valuePredicate - the predicate to validate to values, null means no check
throws:
  IllegalArgumentException - if the map is null




firstKey
public Object firstKey()(Code)



getSortedMap
protected SortedMap getSortedMap()(Code)
Gets the map being decorated. the decorated map



headMap
public SortedMap headMap(Object toKey)(Code)



lastKey
public Object lastKey()(Code)



subMap
public SortedMap subMap(Object fromKey, Object toKey)(Code)



tailMap
public SortedMap tailMap(Object fromKey)(Code)



Fields inherited from org.apache.commons.collections.map.PredicatedMap
final protected Predicate keyPredicate(Code)(Java Doc)
final protected Predicate valuePredicate(Code)(Java Doc)

Methods inherited from org.apache.commons.collections.map.PredicatedMap
protected Object checkSetValue(Object value)(Code)(Java Doc)
public static Map decorate(Map map, Predicate keyPredicate, Predicate valuePredicate)(Code)(Java Doc)
protected boolean isSetValueChecking()(Code)(Java Doc)
public Object put(Object key, Object value)(Code)(Java Doc)
public void putAll(Map mapToCopy)(Code)(Java Doc)
protected void validate(Object key, Object value)(Code)(Java Doc)

Methods inherited from org.apache.commons.collections.map.AbstractInputCheckedMapDecorator
abstract protected Object checkSetValue(Object value)(Code)(Java Doc)
public Set entrySet()(Code)(Java Doc)
protected boolean isSetValueChecking()(Code)(Java Doc)

Fields inherited from org.apache.commons.collections.map.AbstractMapDecorator
protected transient Map map(Code)(Java Doc)

Methods inherited from org.apache.commons.collections.map.AbstractMapDecorator
public void clear()(Code)(Java Doc)
public boolean containsKey(Object key)(Code)(Java Doc)
public boolean containsValue(Object value)(Code)(Java Doc)
public Set entrySet()(Code)(Java Doc)
public boolean equals(Object object)(Code)(Java Doc)
public Object get(Object key)(Code)(Java Doc)
protected Map getMap()(Code)(Java Doc)
public int hashCode()(Code)(Java Doc)
public boolean isEmpty()(Code)(Java Doc)
public Set keySet()(Code)(Java Doc)
public Object put(Object key, Object value)(Code)(Java Doc)
public void putAll(Map mapToCopy)(Code)(Java Doc)
public Object remove(Object key)(Code)(Java Doc)
public int size()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
public Collection values()(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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