001/*
002 *  Licensed to the Apache Software Foundation (ASF) under one
003 *  or more contributor license agreements.  See the NOTICE file
004 *  distributed with this work for additional information
005 *  regarding copyright ownership.  The ASF licenses this file
006 *  to you under the Apache License, Version 2.0 (the
007 *  "License"); you may not use this file except in compliance
008 *  with the License.  You may obtain a copy of the License at
009 *  
010 *    http://www.apache.org/licenses/LICENSE-2.0
011 *  
012 *  Unless required by applicable law or agreed to in writing,
013 *  software distributed under the License is distributed on an
014 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *  KIND, either express or implied.  See the License for the
016 *  specific language governing permissions and limitations
017 *  under the License. 
018 *  
019 */
020package org.apache.directory.api.ldap.aci.protectedItem;
021
022
023import org.apache.directory.api.ldap.aci.ProtectedItem;
024import org.apache.directory.api.ldap.model.filter.ExprNode;
025
026
027/**
028 * The contents of entries (possibly a family member) which are restricted
029 * to those that have object class values that satisfy the predicate defined
030 * by Refinement (see 12.3.5), together (in the case of an ancestor or other
031 * family member) with the entry contents as a whole of each subordinate
032 * family member entry; it does not necessarily include the information in
033 * these entries.
034 */
035public class ClassesItem extends ProtectedItem
036{
037    /** The classes refinement. */
038    private final ExprNode classes;
039
040
041    /**
042     * Creates a new instance.
043     * 
044     * @param classes refinement
045     */
046    public ClassesItem( ExprNode classes )
047    {
048        this.classes = classes;
049    }
050
051
052    /**
053     * Gets the classes refinement.
054     *
055     * @return the classes refinement
056     */
057    public ExprNode getClasses()
058    {
059        return classes;
060    }
061
062
063    /**
064     * {@inheritDoc}
065     */
066    @Override
067    public int hashCode()
068    {
069        int hash = 37;
070        hash = hash * 17 + getClass().getName().hashCode();
071        return hash;
072    }
073
074
075    /**
076     * {@inheritDoc}
077     */
078    @Override
079    public boolean equals( Object o )
080    {
081        if ( this == o )
082        {
083            return true;
084        }
085
086        if ( o instanceof ClassesItem )
087        {
088            ClassesItem that = ( ClassesItem ) o;
089            return this.classes.equals( that.classes );
090        }
091
092        return false;
093    }
094
095
096    /**
097     * {@inheritDoc}
098     */
099    @Override
100    public String toString()
101    {
102        StringBuilder buf = new StringBuilder();
103
104        buf.append( "classes " );
105        classes.printRefinementToBuffer( buf );
106
107        return buf.toString();
108    }
109}