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

java.lang.Object
  net.sourceforge.openutils.mgnlcriteria.jcr.query.criterion.Junction

All Implemented Interfaces:

Serializable, Criterion

Direct Known Subclasses:

Conjunction, Disjunction

public class Junction
extends Object
implements Criterion

A sequence of a logical expressions combined by some associative logical operator

Version:

$Id: Junction.java 2927 2010-08-29 15:31:09Z fgiust $

Author:

Federico Grilli

See Also:

Serialized Form

Field Summary

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

protected

Junction(String op)

Method Summary

Junction	add(Criterion criterion) Adds a criterion to this Junction
String	getOp()
boolean	isEmpty()
String	toString()
String	toXPathString(Criteria crit) Render the XPath fragment

Methods inherited from class java.lang.Object

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

Constructor Detail

Junction

protected Junction(String op)

Method Detail

add

public Junction add(Criterion criterion)

Adds a criterion to this Junction

Parameters:

criterion - Criterion to add

Returns:

Junction

getOp

public String getOp()

toXPathString

public String toXPathString(Criteria crit)
                     throws JCRQueryException

Render the XPath fragment

Specified by:

toXPathString in interface Criterion

Parameters:

crit - input criteria

Returns:

converted XPATH expression

Throws:

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

toString

public String toString()

Overrides:

toString in class Object

isEmpty

public boolean isEmpty()

Returns:

true if this Criterion contains at least one expression, false otherwise