Package org.teiid.query.sql.lang

Class PredicateCriteria

java.lang.Object

org.teiid.query.sql.lang.Criteria

org.teiid.query.sql.lang.PredicateCriteria

All Implemented Interfaces:

Cloneable, LanguageObject, Expression

Direct Known Subclasses:

AbstractCompareCriteria, AbstractSetCriteria, BetweenCriteria, ExistsCriteria, ExpressionCriteria, IsDistinctCriteria, IsNullCriteria, MatchCriteria, XMLExists

public abstract class PredicateCriteria
extends Criteria

This abstract class represents a predicate criteria, which involves some statement involving expressions and can be evaluated in the context of a single row of data to be either true or false.

Predicate criteria can be composed into more sophisticated criteria using "OR" and "AND" logical operators.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	PredicateCriteria.Negatable

Nested classes/interfaces inherited from interface org.teiid.query.sql.LanguageObject

LanguageObject.Util

Constructor Summary

Constructors

Constructor	Description
PredicateCriteria()	Constructs a default instance of this class.

Method Summary

Modifier and Type	Method	Description
abstract Object	clone()	Deep copy of object

Methods inherited from class org.teiid.query.sql.lang.Criteria

applyDemorgan, combineCriteria, combineCriteria, combineCriteria, getType, separateCriteriaByAnd, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.teiid.query.sql.LanguageObject

acceptVisitor

Constructor Detail

PredicateCriteria

public PredicateCriteria()

Constructs a default instance of this class.

Method Detail

clone

public abstract Object clone()

Deep copy of object

Specified by:

clone in interface LanguageObject

Specified by:

clone in class Criteria

Returns:

Deep copy of object