001/*
002 *  Copyright 2010 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 */
016
017package org.ametys.plugins.repository.query.expression;
018
019import org.ametys.plugins.repository.AmetysObject;
020import org.ametys.plugins.repository.AmetysObjectResolver;
021import org.ametys.plugins.repository.virtual.VirtualAmetysObjectFactory;
022
023/**
024 * Expression matching {@link AmetysObject}s holding a link to a {@link VirtualAmetysObjectFactory}.
025 */
026public class VirtualFactoryExpression implements Expression
027{
028    private String _value;
029    
030    /**
031     * Creates the comparison Expression.
032     * @param value the metadata value
033     */
034    public VirtualFactoryExpression(String value)
035    {
036        _value = value;
037    }
038    
039    public String build()
040    {
041        return '@' + AmetysObjectResolver.VIRTUAL_PROPERTY + " = '" + _value.replaceAll("'", "''") + "'";
042    }
043}