com.metamatrix.query.sql.lang
Class AbstractSetCriteria

java.lang.Object
  com.metamatrix.query.sql.lang.Criteria
      com.metamatrix.query.sql.lang.PredicateCriteria
          com.metamatrix.query.sql.lang.AbstractSetCriteria

All Implemented Interfaces:

PredicateCriteria.Negatable, LanguageObject, java.io.Serializable, java.lang.Cloneable

Direct Known Subclasses:

DependentSetCriteria, SetCriteria, SubquerySetCriteria

public abstract class AbstractSetCriteria
extends PredicateCriteria
implements PredicateCriteria.Negatable

This is an abstract class to define some common functionality in the two varieties of IN criteria: SetCriteria (where values are specified) and SubquerySetCriteria (where a subquery is defined and will supply the values for the IN set).

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class com.metamatrix.query.sql.lang.PredicateCriteria

PredicateCriteria.Negatable

Constructor Summary

protected

AbstractSetCriteria() Constructor for AbstractSetCriteria.

Method Summary

abstract java.lang.Object	clone() Deep copy of object
Expression	getExpression() Gets the membership expression to be compared.
boolean	isNegated() Returns whether this criteria is negated.
void	negate()
void	setExpression(Expression expression) Sets the membership expression
void	setNegated(boolean negationFlag) Sets the negation flag for this criteria.

Methods inherited from class com.metamatrix.query.sql.lang.Criteria

combineCriteria, combineCriteria, combineCriteria, separateCriteriaByAnd, toConjunctiveNormalForm, toDisjunctiveNormalForm, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.metamatrix.query.sql.LanguageObject

acceptVisitor

Constructor Detail

AbstractSetCriteria

protected AbstractSetCriteria()

Constructor for AbstractSetCriteria.

Method Detail

getExpression

public Expression getExpression()

Gets the membership expression to be compared.

Returns:

The membership expression

setExpression

public void setExpression(Expression expression)

Sets the membership expression

Parameters:

expression - The membership expression

isNegated

public boolean isNegated()

Returns whether this criteria is negated.

Returns:

flag indicating whether this criteria contains a NOT

setNegated

public void setNegated(boolean negationFlag)

Sets the negation flag for this criteria.

Parameters:

negationFlag - true if this criteria contains a NOT; false otherwise

negate

public void negate()

Specified by:

negate in interface PredicateCriteria.Negatable

clone

public abstract java.lang.Object clone()

Deep copy of object

Specified by:

clone in interface LanguageObject

Specified by:

clone in class PredicateCriteria

Returns:

Deep copy of object