001    //$$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/io/datastore/sql/wherebuilder/FeaturePropertyNode.java $$
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     Aennchenstr. 19
030     53115 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     ---------------------------------------------------------------------------*/
044    
045    package org.deegree.io.datastore.sql.wherebuilder;
046    
047    import java.util.ArrayList;
048    import java.util.Collection;
049    import java.util.Iterator;
050    
051    import org.deegree.io.datastore.schema.MappedFeaturePropertyType;
052    
053    /**
054     * Represents a {@link MappedFeaturePropertyType} as a node in a {@link QueryTableTree}.
055     * 
056     * @author <a href="mailto:schneider@lat-lon.de">Markus Schneider </a>
057     * @author last edited by: $Author: apoth $
058     * 
059     * @version $Revision: 9342 $, $Date: 2007-12-27 13:32:57 +0100 (Do, 27 Dez 2007) $
060     */
061    class FeaturePropertyNode extends AbstractPropertyNode {
062    
063        private Collection<FeatureTypeNode> children = new ArrayList<FeatureTypeNode> ();
064    
065        /**
066         * Creates a new <code>FeaturePropertyNode</code> instance from the given parameters.
067         * 
068         * @param property
069         *            the PropertyType that this FeaturePropertyNode represents
070         * @param parent
071         * @param tableAliases
072         *            the aliases for the tables that lead from the parent feature type node's table to
073         *            the table where the property's value is stored
074         */
075        FeaturePropertyNode( MappedFeaturePropertyType property, FeatureTypeNode parent,
076                            String[] tableAliases ) {
077            super( property, parent, tableAliases );
078        }
079    
080        /**
081         * Returns the children of this <code>FeaturePropertyNode</code>.
082         * 
083         * @return the children of this FeaturePropertyNode.
084         */
085        public FeatureTypeNode[] getFeatureTypeNodes() {
086            return this.children.toArray( new FeatureTypeNode[this.children.size()] );
087        }    
088    
089    
090        /**
091         * Adds a new child to this <code>FeaturePropertyNode</code>.
092         * 
093         * @param newFeatureTypeNode child node to add
094         */
095        public void addFeatureTypeNode( FeatureTypeNode newFeatureTypeNode ) {
096            this.children.add(newFeatureTypeNode);
097        }    
098        
099        @Override
100        public String toString( String indent ) {
101    
102            StringBuffer sb = new StringBuffer();
103            sb.append( indent );
104            sb.append( "+ " );
105            sb.append( this.getProperty().getName() );
106            sb.append( " (FeaturePropertyNode" );
107            if ( this.getTableAliases() != null ) {
108                for (int i = 0; i < this.getTableAliases().length; i++) {
109                    sb.append( " [" );
110                    sb.append( getPathFromParent()[i] );
111                    sb.append( " target alias: '" );
112                    sb.append( getTableAliases()[i] );
113                    sb.append( "'" );
114                    if ( i != this.getTableAliases().length - 1 ) {
115                        sb.append( ", " );
116                    } else {
117                        sb.append( "]" );
118                    }
119                }
120            }
121            sb.append( ")\n" );
122            Iterator iter = this.children.iterator ();
123            while (iter.hasNext()) {
124                FeatureTypeNode child = (FeatureTypeNode) iter.next ();
125                sb.append( child.toString( indent + "  " ) );    
126            }        
127            return sb.toString();
128        }
129    }