org.apache.jackrabbit.core.query.lucene.constraint
Class LengthOperand

java.lang.Object
  org.apache.jackrabbit.core.query.lucene.constraint.DynamicOperand
      org.apache.jackrabbit.core.query.lucene.constraint.LengthOperand

public class LengthOperand
extends DynamicOperand

LengthOperand implements a length operand.

Field Summary

Fields inherited from class org.apache.jackrabbit.core.query.lucene.constraint.DynamicOperand

EMPTY

Constructor Summary

LengthOperand(PropertyValueOperand property)
Creates a new length operand.

Method Summary

Value[]

getValues(ScoreNode sn, EvaluationContext context) Returns the values for the given score node sn of this dynamic operand.

Methods inherited from class java.lang.Object

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

Constructor Detail

LengthOperand

public LengthOperand(PropertyValueOperand property)

Creates a new length operand.

Parameters:

property - the operand for which to return the length.

Method Detail

getValues

public Value[] getValues(ScoreNode sn,
                         EvaluationContext context)
                  throws RepositoryException

Returns the values for the given score node sn of this dynamic operand. If there are no values for the given score node, then an empty array is returned.

Specified by:

getValues in class DynamicOperand

Parameters:

sn - the current score node.

context - the evaluation context.

Returns:

the values for the given score node.

Throws:

RepositoryException - if an error occurs while retrieving the value.