001: //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/trunk/src/org/deegree/io/datastore/sql/wherebuilder/AbstractPropertyNode.java $
002: /*---------------- FILE HEADER ------------------------------------------
003:
004: This file is part of deegree.
005: Copyright (C) 2001-2008 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: * Abstract base class for all representations of {@link MappedPropertyType}s in a {@link QueryTableTree}.
050: *
051: * @author <a href="mailto:schneider@lat-lon.de">Markus Schneider </a>
052: * @author last edited by: $Author: apoth $
053: *
054: * @version $Revision: 9342 $, $Date: 2007-12-27 04:32:57 -0800 (Thu, 27 Dec 2007) $
055: */
056: abstract class AbstractPropertyNode implements PropertyNode {
057:
058: private MappedPropertyType property;
059:
060: private FeatureTypeNode parent;
061:
062: private String[] tableAliases;
063:
064: /**
065: * Creates a new <code>AbstractPropertyNode</code> instance from the given parameters.
066: *
067: * @param property
068: * the property that this node represents in the query tree
069: * @param parent
070: * the parent feature type node
071: * @param tableAliases
072: * the aliases for the tables that lead from the parent feature type node's table to the table where the
073: * property's value is stored
074: */
075: AbstractPropertyNode(MappedPropertyType property,
076: FeatureTypeNode parent, String[] tableAliases) {
077: this .property = property;
078: this .parent = parent;
079: this .tableAliases = tableAliases;
080: }
081:
082: /**
083: * Returns the <code>MappedSimplePropertyType</code> that this node represents.
084: *
085: * @return the MappedSimplePropertyType that this node represents
086: */
087: public MappedPropertyType getProperty() {
088: return this .property;
089: }
090:
091: /**
092: * Returns the parent feature type node.
093: *
094: * @return the parent feature type node
095: */
096: public FeatureTypeNode getParent() {
097: return this .parent;
098: }
099:
100: /**
101: * Returns the table relations that lead from the parent feature type node's table to the table where this
102: * property's value is stored.
103: *
104: * @return the table relations that lead from the parent feature type node's table
105: */
106: public TableRelation[] getPathFromParent() {
107: return this .property.getTableRelations();
108: }
109:
110: /**
111: * Returns the aliases for the target tables in the table relations.
112: *
113: * @return the aliases for the target tables
114: */
115: public String[] getTableAliases() {
116: return this .tableAliases;
117: }
118:
119: /**
120: * Returns an indented string representation of the object.
121: *
122: * @return an indented string representation of the object
123: */
124: public abstract String toString(String indent);
125: }
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