| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.directory.server.xdbm.search.impl; |
| |
| import org.apache.directory.server.xdbm.Index; |
| import org.apache.directory.server.xdbm.Store; |
| import org.apache.directory.server.xdbm.search.Evaluator; |
| import org.apache.directory.shared.ldap.model.entry.Entry; |
| import org.apache.directory.shared.ldap.model.filter.SimpleNode; |
| import org.apache.directory.shared.ldap.model.schema.MutableAttributeTypeImpl; |
| import org.apache.directory.shared.ldap.model.schema.LdapComparator; |
| import org.apache.directory.shared.ldap.model.schema.Normalizer; |
| import org.apache.directory.shared.ldap.model.schema.SchemaManager; |
| |
| /** |
| * An abstract evaluator to store the common fileds for the Simple node evaluators |
| * (ApproximateEvaluator, EqualityEvaluator, GreaterEqEvluator and LessEqEvluator) |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| * @version $Rev$, $Date$ |
| */ |
| public abstract class LeafEvaluator<T, ID extends Comparable<ID>> implements Evaluator<SimpleNode<T>, Entry, ID> |
| { |
| /** The ExprNode to evaluate */ |
| protected final SimpleNode<T> node; |
| |
| /** The backend */ |
| protected final Store<Entry, ID> db; |
| |
| /** The SchemaManager instance */ |
| protected final SchemaManager schemaManager; |
| |
| /** The AttributeType we will use for the evaluation */ |
| protected final MutableAttributeTypeImpl attributeType; |
| |
| /** The associated normalizer */ |
| protected Normalizer normalizer; |
| |
| /** The associated comparator */ |
| protected LdapComparator<Object> ldapComparator; |
| |
| /** The index to use if any */ |
| protected Index<T, Entry, ID> idx; |
| |
| |
| public LeafEvaluator( SimpleNode<T> node, Store<Entry, ID> db, SchemaManager schemaManager ) |
| throws Exception |
| { |
| this.db = db; |
| this.node = node; |
| this.schemaManager = schemaManager; |
| this.attributeType = node.getAttributeType(); |
| } |
| |
| |
| /** |
| * @return The AttributeType |
| */ |
| public MutableAttributeTypeImpl getAttributeType() |
| { |
| return attributeType; |
| } |
| |
| |
| /** |
| * @return The Normalizer associated with the AttributeType |
| */ |
| public Normalizer getNormalizer() |
| { |
| return normalizer; |
| } |
| |
| |
| /** |
| * @return The LdapComparator associated with the AttributeType |
| */ |
| public LdapComparator<Object> getComparator() |
| { |
| return ldapComparator; |
| } |
| } |