org.castor.cpa.persistence.sql.query.condition
Class Condition

java.lang.Object
  org.castor.cpa.persistence.sql.query.QueryObject
      org.castor.cpa.persistence.sql.query.condition.Condition

Direct Known Subclasses:

Compare, CompoundCondition, Predicate

public abstract class Condition
extends QueryObject

Abstract base class for all conditions.

Version:

$Revision$ $Date: 2006-04-25 15:08:23 -0600 (Tue, 25 Apr 2006) $

Author:

Ahmad Hassan, Ralf Joachim

Constructor Summary

Condition()

Method Summary

Condition	and(Condition condition) Builder method to concatenate the given condition with all others that have previously been added with an AND operator.
abstract Condition	not() Builder method to invert a condition.
Condition	or(Condition condition) Builder method to concatenate the given condition with all others that have previously been added with an OR operator.

Methods inherited from class org.castor.cpa.persistence.sql.query.QueryObject

toString, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Condition

public Condition()

Method Detail

and

public Condition and(Condition condition)

Builder method to concatenate the given condition with all others that have previously been added with an AND operator.

Parameters:

condition - Condition to concatenate.

Returns:

Resulting condition object.

or

public Condition or(Condition condition)

Builder method to concatenate the given condition with all others that have previously been added with an OR operator.

Parameters:

condition - Condition to concatenate.

Returns:

Resulting condition object.

not

public abstract Condition not()

Builder method to invert a condition. A condition that evaluated to TRUE before calling this method will evaluate to FALSE thereafter.

Returns:

Negated condition.