org.tranql.cache
Class NotNullAccessor

java.lang.Object
  org.tranql.cache.NotNullAccessor

All Implemented Interfaces:

java.io.Serializable, FieldTransform

public class NotNullAccessor
extends java.lang.Object
implements FieldTransform

Version:

$Revision: 173 $ $Date: 2005-02-20 16:42:56 +0100 (Sun, 20 Feb 2005) $

See Also:

Serialized Form

Constructor Summary

NotNullAccessor(FieldTransform nullTester, FieldTransform next)

Method Summary

java.lang.Object	get(Row row) Return a value from the cache
java.lang.Class	getFieldClass() Return the Java Class that will be returned by fetch and that should be passed to set.
void	set(Row row, java.lang.Object value) Set a value into the cache

Methods inherited from class java.lang.Object

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

Constructor Detail

NotNullAccessor

public NotNullAccessor(FieldTransform nullTester,
                       FieldTransform next)

Method Detail

getFieldClass

public java.lang.Class getFieldClass()

Description copied from interface: FieldTransform

Return the Java Class that will be returned by fetch and that should be passed to set.

Specified by:

getFieldClass in interface FieldTransform

Returns:

the Java Class for this field

get

public java.lang.Object get(Row row)
                     throws FieldTransformException

Description copied from interface: FieldTransform

Return a value from the cache

Specified by:

get in interface FieldTransform

Parameters:

row - the row to fetch from

Returns:

the transformed value

Throws:

FieldTransformException

set

public void set(Row row,
                java.lang.Object value)
         throws FieldTransformException

Description copied from interface: FieldTransform

Set a value into the cache

Specified by:

set in interface FieldTransform

Parameters:

row - the row to store the value into

value - the value to be transformed

Throws:

FieldTransformException