Package net.sf.basedb.util.jep.convert

Class ASTVarNodeConverter

java.lang.Object

net.sf.basedb.util.jep.convert.AbstractJepConversionFunction<ASTVarNode>

net.sf.basedb.util.jep.convert.ASTVarNodeConverter

All Implemented Interfaces:

JepConversionFunction<ASTVarNode>

public class ASTVarNodeConverter
extends AbstractJepConversionFunction<ASTVarNode>

Converts a variable node to a parameter expression or null.

Version:

2.4

Author:

nicklas

Last modified

$Date: 2008-09-11 22:08:14 +0200 (to, 11 sep 2008) $

Constructor Summary

Constructors

Constructor	Description
ASTVarNodeConverter()

Method Summary

Modifier and Type	Method	Description
Expression	toExpression(ASTVarNode node)	Converts a JEP variable to a parameter.

Methods inherited from class net.sf.basedb.util.jep.convert.AbstractJepConversionFunction

getDescription, getName, isFunction, isOperator, toRestriction

Methods inherited from class java.lang.Object

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

Constructor Details

ASTVarNodeConverter

public ASTVarNodeConverter()

Method Details

toExpression

public Expression toExpression(ASTVarNode node)

Converts a JEP variable to a parameter. A value for the parameter must be set on the query before executing it. The special variable NULL (ignoring case) is converted to Java null.

Specified by:

toExpression in interface JepConversionFunction<ASTVarNode>

Overrides:

toExpression in class AbstractJepConversionFunction<ASTVarNode>

Parameters:

node - The object to convert

Returns:

An Expression representing a parameter or null

See Also:

• Query.setParameter(String, Object, net.sf.basedb.core.Type)