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

java.lang.Object
  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