001    //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/io/datastore/sql/wherebuilder/PropertyNode.java $
002    /*----------------------------------------------------------------------------
003     This file is part of deegree, http://deegree.org/
004     Copyright (C) 2001-2009 by:
005       Department of Geography, University of Bonn
006     and
007       lat/lon GmbH
008    
009     This library is free software; you can redistribute it and/or modify it under
010     the terms of the GNU Lesser General Public License as published by the Free
011     Software Foundation; either version 2.1 of the License, or (at your option)
012     any later version.
013     This library is distributed in the hope that it will be useful, but WITHOUT
014     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
015     FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
016     details.
017     You should have received a copy of the GNU Lesser General Public License
018     along with this library; if not, write to the Free Software Foundation, Inc.,
019     59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
020    
021     Contact information:
022    
023     lat/lon GmbH
024     Aennchenstr. 19, 53177 Bonn
025     Germany
026     http://lat-lon.de/
027    
028     Department of Geography, University of Bonn
029     Prof. Dr. Klaus Greve
030     Postfach 1147, 53001 Bonn
031     Germany
032     http://www.geographie.uni-bonn.de/deegree/
033    
034     e-mail: info@deegree.org
035    ----------------------------------------------------------------------------*/
036    package org.deegree.io.datastore.sql.wherebuilder;
037    
038    import org.deegree.io.datastore.schema.MappedPropertyType;
039    import org.deegree.io.datastore.schema.TableRelation;
040    
041    /**
042     * Represents a {@link MappedPropertyType} as a node in a {@link QueryTableTree}.
043     *
044     * @author <a href="mailto:schneider@lat-lon.de">Markus Schneider </a>
045     * @author last edited by: $Author: mschneider $
046     *
047     * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18 Jun 2009) $
048     */
049    public interface PropertyNode {
050    
051        /**
052         * Returns the {@link MappedPropertyType} that this node represents.
053         *
054         * @return the MappedPropertyType that this node represents
055         */
056        MappedPropertyType getProperty();
057    
058        /**
059         * Returns the parent feature type node.
060         *
061         * @return the parent feature type node
062         */
063        FeatureTypeNode getParent();
064    
065        /**
066         * Returns the table relations that lead from the parent feature type node's table to the table
067         * associated with this property.
068         *
069         * @return the table relations that lead from the parent feature type node's table
070         */
071        TableRelation[] getPathFromParent();
072    
073        /**
074         * Returns the aliases for the target tables in the table relations.
075         *
076         * @return the aliases for the target tables
077         */
078        String[] getTableAliases();
079    
080        /**
081         * Returns an indented string representation of the object.
082         *
083         * @param indent
084         *            current indentation (contains spaces to be prepended)
085         * @return an indented string representation of the object
086         */
087        String toString( String indent );
088    }