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org.eclipse.emf.query.conditions.booleans
Class BooleanAdapter

java.lang.Object
  extended by 
org.eclipse.emf.query.conditions.booleans.BooleanAdapter
All Implemented Interfaces:
IDataTypeAdapter< Boolean>

public abstract class BooleanAdapter
extends Object
implements IDataTypeAdapter< Boolean>

An Adapter class to be used to extract from -adapt- the argument object some Boolean object (value) that would later be used in Condition evaluation. Clients can subclass an provide their own implementation

See Also:
BooleanCondition

Field Summary
static  BooleanAdapter DEFAULT
          The simplest BooleanAdapter implementation that represents the case when the argument object to adapt is a Boolean object itself.
 
Constructor Summary
BooleanAdapter ()
           
 
Method Summary
  Boolean adapt ( Object value)
          Adapts the specified input value to the type that I provide.
abstract   Boolean getBoolean ( Object object)
          Extracts from/Adapts the argument object to a Boolean
 
Methods inherited from class java.lang. Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

DEFAULT

public static final 
BooleanAdapter DEFAULT
The simplest BooleanAdapter implementation that represents the case when the argument object to adapt is a Boolean object itself.

Constructor Detail

BooleanAdapter

public BooleanAdapter()
Method Detail

getBoolean

public abstract 
Boolean getBoolean(
Object object)
Extracts from/Adapts the argument object to a Boolean

Parameters:
object - The argument object to adapt to a Boolean by this adapter
Returns:
Boolean the Boolean object representation of the argument object

adapt

public 
Boolean adapt(
Object value)
Description copied from interface: IDataTypeAdapter
Adapts the specified input value to the type that I provide.

Specified by:
adapt in interface IDataTypeAdapter< Boolean>
Parameters:
value - the input value
Returns:
the corresponding output value

Copyright 2002, 2007 IBM Corporation and others.
All Rights Reserved.


 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire