ojb.broker.query
Class NullCriteria

java.lang.Object
  |
  +--ojb.broker.query.SelectionCriteria
        |
        +--ojb.broker.query.NullCriteria

All Implemented Interfaces:

java.io.Serializable

public class NullCriteria

extends SelectionCriteria

SelectionCriteria for 'is null' and 'is not null'

See Also:

Serialized Form

Constructor Summary

(package private)

NullCriteria(java.lang.String anAttribute, boolean negative) Constructor for IsNullCriteria.

Method Summary

java.lang.String	getClause() Method declaration
boolean	isBound() BRJ : Used by the ODMG OQLQuery.bind() operation
java.lang.String	toString() Method declaration

Methods inherited from class ojb.broker.query.SelectionCriteria

bind, getAttribute, getO, getValue, isNegative, setBound, setO

Methods inherited from class java.lang.Object

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

Constructor Detail

NullCriteria

NullCriteria(java.lang.String anAttribute,
             boolean negative)

Constructor for IsNullCriteria.

Parameters:

anAttribute -

Method Detail

toString

public java.lang.String toString()

Description copied from class: SelectionCriteria

Method declaration

Overrides:

toString in class SelectionCriteria

Returns:

getClause

public java.lang.String getClause()

Description copied from class: SelectionCriteria

Method declaration

Specified by:

getClause in class SelectionCriteria

Returns:

isBound

public boolean isBound()

Description copied from class: SelectionCriteria

BRJ : Used by the ODMG OQLQuery.bind() operation

Overrides:

isBound in class SelectionCriteria

Returns:

Returns a boolean indicator