org.apache.directory.server.core.event

Class ExpressionEvaluator

java.lang.Object

org.apache.directory.server.core.event.ExpressionEvaluator

All Implemented Interfaces:

Evaluator

public class ExpressionEvaluator
extends Object
implements Evaluator

Top level filter expression evaluator implemenation.

Version:

$Rev: 927146 $

Author:

Apache Directory Project

Constructor Summary

Constructors

Constructor and Description
ExpressionEvaluator(LeafEvaluator leafEvaluator) Creates a top level Evaluator where leaves are delegated to a leaf node evaluator which is already provided.
ExpressionEvaluator(org.apache.directory.shared.ldap.schema.registries.OidRegistry oidRegistry, org.apache.directory.shared.ldap.schema.SchemaManager schemaManager) Creates a top level Evaluator where leaves are delegated to a leaf node evaluator which will be created.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	evaluate(org.apache.directory.shared.ldap.filter.ExprNode node, String dn, org.apache.directory.shared.ldap.entry.ServerEntry entry) Evaluates a candidate to determine if a filter expression selects it.
LeafEvaluator	getLeafEvaluator() Gets the leaf evaluator used by this top level expression evaluator.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpressionEvaluator

public ExpressionEvaluator(LeafEvaluator leafEvaluator)

Creates a top level Evaluator where leaves are delegated to a leaf node evaluator which is already provided.

Parameters:

leafEvaluator - handles leaf node evaluation.

ExpressionEvaluator

public ExpressionEvaluator(org.apache.directory.shared.ldap.schema.registries.OidRegistry oidRegistry,
                   org.apache.directory.shared.ldap.schema.SchemaManager schemaManager)

Creates a top level Evaluator where leaves are delegated to a leaf node evaluator which will be created.

Parameters:

oidRegistry - the oid reg used for attrID to oid resolution

attributeTypeRegistry - the attribtype reg used for value comparison

Method Detail

getLeafEvaluator

public LeafEvaluator getLeafEvaluator()

Gets the leaf evaluator used by this top level expression evaluator.

Returns:

the leaf evaluator used by this top level expression evaluator

evaluate

public boolean evaluate(org.apache.directory.shared.ldap.filter.ExprNode node,
               String dn,
               org.apache.directory.shared.ldap.entry.ServerEntry entry)
                 throws org.apache.directory.shared.ldap.exception.LdapException

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

dn - the normalized distinguished name of the entry being tested

entry - the entry to evaluate

Returns:

true if the filter selects the candidate false otherwise

Throws:

org.apache.directory.shared.ldap.exception.LdapException - if there is a database fault during evaluation

See Also:

Evaluator.evaluate(ExprNode, String, ServerEntry)