org.apache.directory.server.core.partition.impl.btree
Class SubstringEvaluator

java.lang.Object
  org.apache.directory.server.core.partition.impl.btree.SubstringEvaluator

All Implemented Interfaces:

Evaluator

public class SubstringEvaluator

extends java.lang.Object

implements Evaluator

Evaluates substring filter assertions on an entry.

Version:

$Rev: 434579 $

Author:

Apache Directory Project

Constructor Summary

SubstringEvaluator(BTreePartition db, OidRegistry oidRegistry, AttributeTypeRegistry attributeTypeRegistry)
Creates a new SubstringEvaluator for substring expressions.

Method Summary

boolean

evaluate(ExprNode node, IndexRecord record) Evaluates a candidate to determine if a filter expression selects it.

Methods inherited from class java.lang.Object

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

Constructor Detail

SubstringEvaluator

public SubstringEvaluator(BTreePartition db,
                          OidRegistry oidRegistry,
                          AttributeTypeRegistry attributeTypeRegistry)

Creates a new SubstringEvaluator for substring expressions.

Parameters:

db - the database this evaluator uses

oidRegistry - the OID registry for name to OID mapping

attributeTypeRegistry - the attributeType registry

Method Detail

evaluate

public boolean evaluate(ExprNode node,
                        IndexRecord record)
                 throws javax.naming.NamingException

Description copied from interface: Evaluator

Evaluates a candidate to determine if a filter expression selects it.

Specified by:

evaluate in interface Evaluator

Parameters:

node - the filter expression to evaluate on the candidate

record - the index record of the entry to evaluate

Returns:

true if the filter selects the candidate false otherwise

Throws:

javax.naming.NamingException - if there is a database fault during evaluation

See Also:

Evaluator.evaluate(ExprNode, IndexRecord)