org.apache.directory.server.xdbm.search.impl
Class LeafEvaluator<T,ID extends Comparable<ID>>

java.lang.Object
  org.apache.directory.server.xdbm.search.impl.LeafEvaluator<T,ID>

All Implemented Interfaces:

Evaluator<org.apache.directory.shared.ldap.model.filter.SimpleNode<T>,org.apache.directory.shared.ldap.model.entry.Entry,ID>

Direct Known Subclasses:

ApproximateEvaluator, EqualityEvaluator, GreaterEqEvaluator, LessEqEvaluator

public abstract class LeafEvaluator<T,ID extends Comparable<ID>>
extends Object
implements Evaluator<org.apache.directory.shared.ldap.model.filter.SimpleNode<T>,org.apache.directory.shared.ldap.model.entry.Entry,ID>

An abstract evaluator to store the common fileds for the Simple node evaluators (ApproximateEvaluator, EqualityEvaluator, GreaterEqEvluator and LessEqEvluator)

Version:

$Rev$, $Date$

Author:

Apache Directory Project

Field Summary

protected org.apache.directory.shared.ldap.model.schema.AttributeType	attributeType The AttributeType we will use for the evaluation
protected Store<org.apache.directory.shared.ldap.model.entry.Entry,ID>	db The backend
protected Index<T,org.apache.directory.shared.ldap.model.entry.Entry,ID>	idx The index to use if any
protected org.apache.directory.shared.ldap.model.schema.LdapComparator<? super Object>	ldapComparator The associated comparator
protected org.apache.directory.shared.ldap.model.filter.SimpleNode<T>	node The ExprNode to evaluate
protected org.apache.directory.shared.ldap.model.schema.Normalizer	normalizer The associated normalizer
protected org.apache.directory.shared.ldap.model.schema.SchemaManager	schemaManager The SchemaManager instance

Constructor Summary

LeafEvaluator(org.apache.directory.shared.ldap.model.filter.SimpleNode<T> node, Store<org.apache.directory.shared.ldap.model.entry.Entry,ID> db, org.apache.directory.shared.ldap.model.schema.SchemaManager schemaManager)

Method Summary

org.apache.directory.shared.ldap.model.schema.AttributeType	getAttributeType()
org.apache.directory.shared.ldap.model.schema.LdapComparator<? super Object>	getComparator()
org.apache.directory.shared.ldap.model.schema.Normalizer	getNormalizer()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.directory.server.xdbm.search.Evaluator

evaluate, evaluateEntry, getExpression

Field Detail

node

protected final org.apache.directory.shared.ldap.model.filter.SimpleNode<T> node

The ExprNode to evaluate

db

protected final Store<org.apache.directory.shared.ldap.model.entry.Entry,ID extends Comparable<ID>> db

The backend

schemaManager

protected final org.apache.directory.shared.ldap.model.schema.SchemaManager schemaManager

The SchemaManager instance

attributeType

protected final org.apache.directory.shared.ldap.model.schema.AttributeType attributeType

The AttributeType we will use for the evaluation

normalizer

protected org.apache.directory.shared.ldap.model.schema.Normalizer normalizer

The associated normalizer

ldapComparator

protected org.apache.directory.shared.ldap.model.schema.LdapComparator<? super Object> ldapComparator

The associated comparator

idx

protected Index<T,org.apache.directory.shared.ldap.model.entry.Entry,ID extends Comparable<ID>> idx

The index to use if any

Constructor Detail

LeafEvaluator

public LeafEvaluator(org.apache.directory.shared.ldap.model.filter.SimpleNode<T> node,
                     Store<org.apache.directory.shared.ldap.model.entry.Entry,ID> db,
                     org.apache.directory.shared.ldap.model.schema.SchemaManager schemaManager)
              throws Exception

Throws:

Exception

Method Detail

getAttributeType

public org.apache.directory.shared.ldap.model.schema.AttributeType getAttributeType()

Returns:

The AttributeType

getNormalizer

public org.apache.directory.shared.ldap.model.schema.Normalizer getNormalizer()

Returns:

The Normalizer associated with the AttributeType

getComparator

public org.apache.directory.shared.ldap.model.schema.LdapComparator<? super Object> getComparator()

Returns:

The LdapComparator associated with the AttributeType