001 //$HeadURL: http://svn.wald.intevation.org/svn/deegree/base/trunk/src/org/deegree/model/feature/FeatureCollection.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.model.feature;
037
038 import java.util.Iterator;
039
040 /**
041 *
042 *
043 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
044 * @author last edited by: $Author: apoth $
045 *
046 * @version $Revision: 29966 $, $Date: 2011-03-09 15:19:04 +0100 (Wed, 09 Mar 2011) $
047 */
048 public interface FeatureCollection extends Feature {
049
050 /**
051 * removes all features from a collection
052 *
053 */
054 public void clear();
055
056 /**
057 * @param index
058 * of the feature.
059 * @return the feature at the submitted index
060 */
061 public Feature getFeature( int index );
062
063 /**
064 * @param id
065 * of the feature
066 * @return the feature that is assigned to the submitted id. If no valid feature could be found <code>null</code>
067 * will be returned.
068 */
069 public Feature getFeature( String id );
070
071 /**
072 * @return an array of all features
073 */
074 public Feature[] toArray();
075
076 /**
077 * returns an <tt>Iterator</tt> on the feature contained in a collection
078 *
079 * @return an <tt>Iterator</tt> on the feature contained in a collection
080 */
081 public Iterator<Feature> iterator();
082
083 /**
084 * adds a feature to the collection
085 *
086 * @param feature
087 * to add.
088 */
089 public void add( Feature feature );
090
091
092
093 /**
094 * adds a list of features to the collection
095 *
096 * @param features
097 * to add.
098 */
099 public void addAllUncontained( Feature[] features );
100
101
102
103 /**
104 * Adds the features to the collection, if they're not already contained.
105 *
106 * @param featureCollection
107 */
108 public void addAllUncontained( FeatureCollection featureCollection );
109
110 /**
111 * removes the submitted feature from the collection
112 *
113 * @param feature
114 * to remove
115 *
116 * @return removed feature
117 */
118 public Feature remove( Feature feature );
119
120 /**
121 * removes the feature at the submitted index from the collection
122 *
123 * @param index
124 * of the feature to remove.
125 *
126 * @return removed feature
127 */
128 public Feature remove( int index );
129
130 /**
131 * removes the feature that is assigned to the submitted id. The removed feature will be returned. If no valid
132 * feature could be found null will be returned
133 *
134 * @param id
135 * of the feature to remove.
136 *
137 * @return removed feature
138 */
139 public Feature remove( String id );
140
141 /**
142 * @return the number of features within the collection
143 */
144 public int size();
145 }