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

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

public final class OrCondition
extends CompoundCondition

Represents a list of conditions that are concatenated by an OR operator.

Version:

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

Author:

Ahmad Hassan, Ralf Joachim

Constructor Summary

OrCondition()
Default constructor for an empty OR condition.

OrCondition(Condition condition1, Condition condition2)
Constructor for a compound condition that concatenates the 2 given conditions with an OR operator.

OrCondition(OrCondition condition)
Copy constructor to create a copy of given OR condition.

Method Summary

protected void	append(Condition condition) Appends the specified condition to end of this list of conditions.
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.
void	toString(QueryContext ctx) Append a string representation of the object to the given QueryContext.

Methods inherited from class org.castor.cpa.persistence.sql.query.condition.CompoundCondition

insert, iterator

Methods inherited from class org.castor.cpa.persistence.sql.query.condition.Condition

and

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

toString

Methods inherited from class java.lang.Object

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

Constructor Detail

OrCondition

public OrCondition()

Default constructor for an empty OR condition.

OrCondition

public OrCondition(Condition condition1,
                   Condition condition2)

Constructor for a compound condition that concatenates the 2 given conditions with an OR operator.

Parameters:

condition1 - First condition.

condition2 - Second condition.

OrCondition

public OrCondition(OrCondition condition)

Copy constructor to create a copy of given OR condition.

Parameters:

condition - OR condition to create a copy of.

Method Detail

append

protected void append(Condition condition)

Description copied from class: CompoundCondition

Appends the specified condition to end of this list of conditions.

Overrides:

append in class CompoundCondition

Parameters:

condition - Condition to be appended to this list of conditions.

or

public Condition or(Condition condition)

Description copied from class: Condition

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

Overrides:

or in class Condition

Parameters:

condition - Condition to concatenate.

Returns:

Resulting condition object.

not

public Condition not()

Description copied from class: Condition

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

Specified by:

not in class Condition

Returns:

Negated condition.

toString

public void toString(QueryContext ctx)

Description copied from class: QueryObject

Append a string representation of the object to the given QueryContext. In general, this toString method appends a string that "textually represents" this object. The result should be a string in valid SQL syntax. It is required that all subclasses override this method.

Specified by:

toString in class QueryObject

Parameters:

ctx - QueryContext to append the string representation of the object to.