001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/tags/2.1/src/org/deegree/io/datastore/sql/wherebuilder/PropertyNode.java $
002 /*---------------- FILE HEADER ------------------------------------------
003
004 This file is part of deegree.
005 Copyright (C) 2001-2006 by:
006 EXSE, Department of Geography, University of Bonn
007 http://www.giub.uni-bonn.de/deegree/
008 lat/lon GmbH
009 http://www.lat-lon.de
010
011 This library is free software; you can redistribute it and/or
012 modify it under the terms of the GNU Lesser General Public
013 License as published by the Free Software Foundation; either
014 version 2.1 of the License, or (at your option) any later version.
015
016 This library is distributed in the hope that it will be useful,
017 but WITHOUT ANY WARRANTY; without even the implied warranty of
018 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
019 Lesser General Public License for more details.
020
021 You should have received a copy of the GNU Lesser General Public
022 License along with this library; if not, write to the Free Software
023 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
024
025 Contact:
026
027 Andreas Poth
028 lat/lon GmbH
029 Aennchenstraße 19
030 53177 Bonn
031 Germany
032 E-Mail: poth@lat-lon.de
033
034 Prof. Dr. Klaus Greve
035 Department of Geography
036 University of Bonn
037 Meckenheimer Allee 166
038 53115 Bonn
039 Germany
040 E-Mail: greve@giub.uni-bonn.de
041
042 ---------------------------------------------------------------------------*/
043 package org.deegree.io.datastore.sql.wherebuilder;
044
045 import org.deegree.io.datastore.schema.MappedPropertyType;
046 import org.deegree.io.datastore.schema.TableRelation;
047
048 /**
049 * Represents a {@link MappedPropertyType} as a node in a {@link QueryTableTree}.
050 *
051 * @author <a href="mailto:schneider@lat-lon.de">Markus Schneider </a>
052 * @author last edited by: $Author: mschneider $
053 *
054 * @version $Revision: 6588 $, $Date: 2007-04-11 17:31:29 +0200 (Mi, 11 Apr 2007) $
055 */
056 public interface PropertyNode {
057
058 /**
059 * Returns the {@link MappedPropertyType} that this node represents.
060 *
061 * @return the MappedPropertyType that this node represents
062 */
063 MappedPropertyType getProperty();
064
065 /**
066 * Returns the parent feature type node.
067 *
068 * @return the parent feature type node
069 */
070 FeatureTypeNode getParent();
071
072 /**
073 * Returns the table relations that lead from the parent feature type node's table to the table
074 * associated with this property.
075 *
076 * @return the table relations that lead from the parent feature type node's table
077 */
078 TableRelation[] getPathFromParent();
079
080 /**
081 * Returns the aliases for the target tables in the table relations.
082 *
083 * @return the aliases for the target tables
084 */
085 String[] getTableAliases();
086
087 /**
088 * Returns an indented string representation of the object.
089 *
090 * @param indent
091 * current indentation (contains spaces to be prepended)
092 * @return an indented string representation of the object
093 */
094 String toString( String indent );
095 }