001/*
002 *  Copyright 2022 Anyware Services
003 *
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016package org.ametys.cms.search.query;
017
018import java.util.Objects;
019
020/**
021 * Abstract class for queries wrapping another query.
022 */
023public abstract class AbstractWrapperQuery implements Query
024{
025    private Query _query;
026    
027    /**
028     * Build a wrapper query.
029     * @param query the wrapped query.
030     */
031    public AbstractWrapperQuery(Query query)
032    {
033        _query = query;
034    }
035    
036    /**
037     * Get the sub query.
038     * @return the sub query.
039     */
040    public Query getSubQuery()
041    {
042        return _query;
043    }
044
045    @Override
046    public int hashCode()
047    {
048        return Objects.hash(_query);
049    }
050
051    @Override
052    public boolean equals(Object obj)
053    {
054        if (this == obj)
055        {
056            return true;
057        }
058        
059        if (obj == null || getClass() != obj.getClass())
060        {
061            return false;
062        }
063        
064        AbstractWrapperQuery other = (AbstractWrapperQuery) obj;
065        return Objects.equals(_query, other._query);
066    }
067}