y.util
Class DataAcceptorAdapter

java.lang.Object
  y.util.DataAcceptorAdapter

All Implemented Interfaces:

DataAcceptor

public abstract class DataAcceptorAdapter
extends java.lang.Object
implements DataAcceptor

An abstract adapter class for accepting data. The data accepting methods in this class throw a UnsupportedOperationException and defined(Object) always returns false.

This class exists as a convenience for creating data acceptor objects.

Extend this class to access either typed or untyped data for a certain lookup domain.

Constructor Summary

DataAcceptorAdapter()

Method Summary

boolean	defined(java.lang.Object dataHolder) Returns false for all data holders.
void	set(java.lang.Object dataHolder, java.lang.Object value) Subclasses may override this method to set object values associated with a data holder.
void	setBool(java.lang.Object dataHolder, boolean value) Subclasses may override this method to set boolean values associated with a data holder.
void	setDouble(java.lang.Object dataHolder, double value) Subclasses may override this method to set double values associated with a data holder.
void	setInt(java.lang.Object dataHolder, int value) Subclasses may override this method to set integer values associated with a data holder.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DataAcceptorAdapter

public DataAcceptorAdapter()

Method Detail

set

public void set(java.lang.Object dataHolder,
                java.lang.Object value)

Subclasses may override this method to set object values associated with a data holder.

Specified by:

set in interface DataAcceptor

Throws:

java.lang.UnsupportedOperationException - unless overwritten.

setInt

public void setInt(java.lang.Object dataHolder,
                   int value)

Subclasses may override this method to set integer values associated with a data holder.

Specified by:

setInt in interface DataAcceptor

Throws:

java.lang.UnsupportedOperationException - unless overwritten.

setDouble

public void setDouble(java.lang.Object dataHolder,
                      double value)

Subclasses may override this method to set double values associated with a data holder.

Specified by:

setDouble in interface DataAcceptor

Throws:

java.lang.UnsupportedOperationException - unless overwritten.

setBool

public void setBool(java.lang.Object dataHolder,
                    boolean value)

Subclasses may override this method to set boolean values associated with a data holder.

Specified by:

setBool in interface DataAcceptor

Throws:

java.lang.UnsupportedOperationException - unless overwritten.

defined

public boolean defined(java.lang.Object dataHolder)

Returns false for all data holders. Subclasses should override this method to make clear for which data holders there is a value accessible via this data provider.

Returns:

false.