    001    //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.4_testing/src/org/deegree/io/datastore/sql/wherebuilder/AbstractPropertyNode.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     * Abstract base class for all representations of {@link MappedPropertyType}s 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    abstract class AbstractPropertyNode implements PropertyNode {
    050
    051        private MappedPropertyType property;
    052
    053        private FeatureTypeNode parent;
    054
    055        private String[] tableAliases;
    056
    057        /**
    058         * Creates a new <code>AbstractPropertyNode</code> instance from the given parameters.
    059         *
    060         * @param property
    061         *            the property that this node represents in the query tree
    062         * @param parent
    063         *            the parent feature type node
    064         * @param tableAliases
    065         *            the aliases for the tables that lead from the parent feature type node's table to the table where the
    066         *            property's value is stored
    067         */
    068        AbstractPropertyNode( MappedPropertyType property, FeatureTypeNode parent, String[] tableAliases ) {
    069            this.property = property;
    070            this.parent = parent;
    071            this.tableAliases = tableAliases;
    072        }
    073
    074        /**
    075         * Returns the <code>MappedSimplePropertyType</code> that this node represents.
    076         *
    077         * @return the MappedSimplePropertyType that this node represents
    078         */
    079        public MappedPropertyType getProperty() {
    080            return this.property;
    081        }
    082
    083        /**
    084         * Returns the parent feature type node.
    085         *
    086         * @return the parent feature type node
    087         */
    088        public FeatureTypeNode getParent() {
    089            return this.parent;
    090        }
    091
    092        /**
    093         * Returns the table relations that lead from the parent feature type node's table to the table where this
    094         * property's value is stored.
    095         *
    096         * @return the table relations that lead from the parent feature type node's table
    097         */
    098        public TableRelation[] getPathFromParent() {
    099            return this.property.getTableRelations();
    100        }
    101
    102        /**
    103         * Returns the aliases for the target tables in the table relations.
    104         *
    105         * @return the aliases for the target tables
    106         */
    107        public String[] getTableAliases() {
    108            return this.tableAliases;
    109        }
    110
    111        /**
    112         * Returns an indented string representation of the object.
    113         *
    114         * @return an indented string representation of the object
    115         */
    116        public abstract String toString( String indent );
    117    }