net.sourceforge.openutils.mgnlcriteria.jcr.query.criterion
Class IsNullExpression

java.lang.Object
  net.sourceforge.openutils.mgnlcriteria.jcr.query.criterion.BaseCriterion
      net.sourceforge.openutils.mgnlcriteria.jcr.query.criterion.IsNullExpression

All Implemented Interfaces:

Serializable, Criterion

public class IsNullExpression
extends BaseCriterion
implements Criterion

Version:

$Id: IsNullExpression.java 2923 2010-08-29 08:58:29Z fgiust $

Author:

fgrilli

See Also:

Serialized Form

Field Summary

Fields inherited from class net.sourceforge.openutils.mgnlcriteria.jcr.query.criterion.BaseCriterion

DATE_FORMAT, log

Fields inherited from interface net.sourceforge.openutils.mgnlcriteria.jcr.query.criterion.Criterion

ALL_ELEMENTS, ATTRIBUTE_SELECTOR, JCR_PREFIX, JCR_PRIMARYTYPE, JCR_ROOT, NT_BASE, XS_DATETIME_FUNCTION

Constructor Summary

IsNullExpression(String nodeName)

Method Summary

String	toString()
String	toXPathString(Criteria criteria) Render the XPath fragment

Methods inherited from class java.lang.Object

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

Constructor Detail

IsNullExpression

public IsNullExpression(String nodeName)

Method Detail

toString

public String toString()

Overrides:

toString in class Object

toXPathString

public String toXPathString(Criteria criteria)
                     throws JCRQueryException

Description copied from interface: Criterion

Render the XPath fragment

Specified by:

toXPathString in interface Criterion

Parameters:

criteria - input criteria

Returns:

converted XPATH expression

Throws:

JCRQueryException - if there is a problem converting the input criteria to a valid xpath expression