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Java Source Code / Java Documentation » Library » Apache common Collections » org.apache.commons.collections.keyvalue

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

org.apache.commons.collections.keyvalue .AbstractKeyValue

org.apache.commons.collections.keyvalue .AbstractMapEntry

All known Subclasses:   org.apache.commons.collections.keyvalue .DefaultMapEntry,  org.apache.commons.collections.keyvalue .UnmodifiableMapEntry,
AbstractMapEntry
abstract public class AbstractMapEntry extends AbstractKeyValue implements Map.Entry(Code)
Abstract Pair class to assist with creating correct java.util.Map.Entry Map.Entry implementations.
since:
   Commons Collections 3.0
version:
   $Revision: 405927 $ $Date: 2006-05-12 23:57:03 +0100 (Fri, 12 May 2006) $
author:
   James Strachan
author:
   Michael A. Smith
author:
   Neil O'Toole
author:
   Stephen Colebourne

Constructor Summary
protected AbstractMapEntry(Object key, Object value)
     Constructs a new entry with the given key and given value.

Method Summary
public boolean equals(Object obj)
     Compares this Map.Entry with another Map.Entry.
public int hashCode()
     Gets a hashCode compatible with the equals method.
public Object setValue(Object value)
     Sets the value stored in this Map.Entry.

Constructor Detail
AbstractMapEntry
protected AbstractMapEntry(Object key, Object value)(Code)
Constructs a new entry with the given key and given value.
Parameters:
  key - the key for the entry, may be null
Parameters:
  value - the value for the entry, may be null

Method Detail
equals
public boolean equals(Object obj)(Code)
Compares this Map.Entry with another Map.Entry.
Implemented per API documentation of java.util.Map.Entry.equals(Object)
Parameters:
  obj - the object to compare to true if equal key and value

hashCode
public int hashCode()(Code)
Gets a hashCode compatible with the equals method.
Implemented per API documentation of java.util.Map.Entry.hashCode a suitable hash code

setValue
public Object setValue(Object value)(Code)
Sets the value stored in this Map.Entry.
This Map.Entry is not connected to a Map, so only the local data is changed.
Parameters:
  value - the new value the previous value

Fields inherited from org.apache.commons.collections.keyvalue.AbstractKeyValue
protected Object key(Code)(Java Doc)
protected Object value(Code)(Java Doc)

Methods inherited from org.apache.commons.collections.keyvalue.AbstractKeyValue
public Object getKey()(Code)(Java Doc)
public Object getValue()(Code)(Java Doc)
public String toString()(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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