AFilterExpression.java

/**
 * Copyright (C) 2008 - 2014 52°North Initiative for Geospatial Open Source
 * Software GmbH
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published
 * by the Free Software Foundation.
 *
 * If the program is linked with libraries which are licensed under one of
 * the following licenses, the combination of the program with the linked
 * library is not considered a "derivative work" of the program:
 *
 *     - Apache License, version 2.0
 *     - Apache Software License, version 1.0
 *     - GNU Lesser General Public License, version 3
 *     - Mozilla Public License, versions 1.0, 1.1 and 2.0
 *     - Common Development and Distribution License (CDDL), version 1.0
 *
 * Therefore the distribution of the program linked with libraries licensed
 * under the aforementioned licenses, is permitted by the copyright holders
 * if the distribution is compliant with both the GNU General Public
 * icense version 2 and the aforementioned licenses.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 * Public License for more details.
 */
/**
 * Part of the diploma thesis of Thomas Everding.
 * @author Thomas Everding
 */

package org.n52.ses.eml.v002.filter.expression;

import org.n52.ses.eml.v002.filter.IFilterElement;

/**
 * represents a single ogc:expression
 * 
 * @author Thomas Everding
 *
 */
public abstract class AFilterExpression implements IFilterElement{
	
	/**
	 * Factory to build {@link AFilterExpression}s.
	 */
	public static final FilterExpressionFactory FACTORY = new FilterExpressionFactory();
	
	/**
	 * the used property of this expression
	 */
	protected String usedProperty = null;

	/**
	 * 
	 * @return the name of the property that is used in this filter expression (if any)
	 */
	public String getUsedProperty() {
		return this.usedProperty;
	}

	@Override
	public void setUsedProperty(String usedProperty) {
		this.usedProperty = usedProperty;
	}


}