com.wewebu.ow.csqlc.ast

Class OwComparisonPredicate

java.lang.Object

com.wewebu.ow.csqlc.ast.OwBooleanTerm

com.wewebu.ow.csqlc.ast.OwBooleanFactor

com.wewebu.ow.csqlc.ast.OwBooleanTest

com.wewebu.ow.csqlc.ast.OwPredicate

com.wewebu.ow.csqlc.ast.OwComparisonPredicate

All Implemented Interfaces:

OwSearchCondition

public class OwComparisonPredicate
extends OwPredicate

SQL AST node : <comparison predicate> syntax non-terminal as defined by the SQL grammar.

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All rights reserved.

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go to: http://wiki.alfresco.com

Since:

3.2.0.0

Constructor Summary

Constructors

Constructor and Description
OwComparisonPredicate(OwValueExpression valueExpression_p, OwComparisonOperator operator_p, OwLiteral literal_p)

Method Summary

Methods

Modifier and Type	Method and Description
StringBuilder	createPredicateSQLString()
List<OwColumnQualifier>	getColumnQualifiers()
boolean	isValid()

Methods inherited from class com.wewebu.ow.csqlc.ast.OwPredicate

createBooleanTestSQLString, isXCondition

Methods inherited from class com.wewebu.ow.csqlc.ast.OwBooleanTest

asBooleanTest, createBooleanFactorSQLString

Methods inherited from class com.wewebu.ow.csqlc.ast.OwBooleanFactor

createBooleanTermSQLString

Methods inherited from class com.wewebu.ow.csqlc.ast.OwBooleanTerm

createSearchConditionSQLString

Methods inherited from class java.lang.Object

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

Constructor Detail

OwComparisonPredicate

public OwComparisonPredicate(OwValueExpression valueExpression_p,
                     OwComparisonOperator operator_p,
                     OwLiteral literal_p)

Parameters:

valueExpression_p - the value expression of this comparison terminal (left side operand)

operator_p - the operator of this predicate

literal_p - the literal terminal of this comparison prdicate

Method Detail

createPredicateSQLString

public StringBuilder createPredicateSQLString()

Specified by:

createPredicateSQLString in class OwPredicate

Returns:

a StringBuilder filled with the string representation of this non-terminal

isValid

public boolean isValid()

Returns:

false if the literal terminal of this predicate is null-valued true otherwise

See Also:

OwLiteral.isNull()

getColumnQualifiers

public List<OwColumnQualifier> getColumnQualifiers()