001/*
002 *  Copyright 2014 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
018/**
019 * Represents a {@link Query} testing the existence of a field.
020 */
021public abstract class AbstractFieldQuery implements Query
022{
023    
024    /** The field path. */
025    protected String _fieldPath;
026    
027    /**
028     * Build a standard field query.
029     * @param fieldPath the field's path.
030     */
031    public AbstractFieldQuery(String fieldPath)
032    {
033        _fieldPath = fieldPath;
034    }
035    
036    /**
037     * Get the field's path
038     * @return the field's path
039     */
040    public String getFieldPath()
041    {
042        return _fieldPath;
043    }
044
045    @Override
046    public int hashCode()
047    {
048        final int prime = 31;
049        int result = 1;
050        result = prime * result + ((_fieldPath == null) ? 0 : _fieldPath.hashCode());
051        return result;
052    }
053
054    @Override
055    public boolean equals(Object obj)
056    {
057        if (this == obj)
058        {
059            return true;
060        }
061        if (obj == null)
062        {
063            return false;
064        }
065        if (getClass() != obj.getClass())
066        {
067            return false;
068        }
069        AbstractFieldQuery other = (AbstractFieldQuery) obj;
070        if (_fieldPath == null)
071        {
072            if (other._fieldPath != null)
073            {
074                return false;
075            }
076        }
077        else if (!_fieldPath.equals(other._fieldPath))
078        {
079            return false;
080        }
081        return true;
082    }
083}