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

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

All Implemented Interfaces:

Enumerator

public class ExpressionEnumerator

extends java.lang.Object

implements Enumerator

Enumerates over candidates that satisfy a filter expression.

Version:

$Rev: 434579 $

Author:

Apache Directory Project

Constructor Summary

ExpressionEnumerator(BTreePartition db, AttributeTypeRegistry attributeTypeRegistry, ExpressionEvaluator evaluator)
Creates an expression tree enumerator.

Method Summary

javax.naming.NamingEnumeration

enumerate(ExprNode node) Creates an enumeration to enumerate through the set of candidates satisfying a filter expression.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpressionEnumerator

public ExpressionEnumerator(BTreePartition db,
                            AttributeTypeRegistry attributeTypeRegistry,
                            ExpressionEvaluator evaluator)

Creates an expression tree enumerator.

Parameters:

db - database used by this enumerator

evaluator -

Method Detail

enumerate

public javax.naming.NamingEnumeration enumerate(ExprNode node)
                                         throws javax.naming.NamingException

Creates an enumeration to enumerate through the set of candidates satisfying a filter expression.

Specified by:

enumerate in interface Enumerator

Parameters:

node - a filter expression root

Returns:

an enumeration over the

Throws:

javax.naming.NamingException - if database access fails