001/*
002 * Copyright 2006 - 2013
003 *      Stefan Balev    <stefan.balev@graphstream-project.org>
004 *      Julien Baudry   <julien.baudry@graphstream-project.org>
005 *      Antoine Dutot   <antoine.dutot@graphstream-project.org>
006 *      Yoann Pigné         <yoann.pigne@graphstream-project.org>
007 *      Guilhelm Savin  <guilhelm.savin@graphstream-project.org>
008 *  
009 * GraphStream is a library whose purpose is to handle static or dynamic
010 * graph, create them from scratch, file or any source and display them.
011 * 
012 * This program is free software distributed under the terms of two licenses, the
013 * CeCILL-C license that fits European law, and the GNU Lesser General Public
014 * License. You can  use, modify and/ or redistribute the software under the terms
015 * of the CeCILL-C license as circulated by CEA, CNRS and INRIA at the following
016 * URL <http://www.cecill.info> or under the terms of the GNU LGPL as published by
017 * the Free Software Foundation, either version 3 of the License, or (at your
018 * option) any later version.
019 * 
020 * This program is distributed in the hope that it will be useful, but WITHOUT ANY
021 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
022 * PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
023 * 
024 * You should have received a copy of the GNU Lesser General Public License
025 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
026 * 
027 * The fact that you are presently reading this means that you have had
028 * knowledge of the CeCILL-C and LGPL licenses and that you accept their terms.
029 */
030package org.graphstream.util.cumulative;
031
032import java.util.Collections;
033import java.util.HashMap;
034
035import org.graphstream.util.cumulative.CumulativeSpells.Spell;
036
037public class CumulativeAttributes {
038        boolean nullAttributesAreErrors;
039        HashMap<String, CumulativeSpells> data;
040        double date;
041
042        public CumulativeAttributes(double date) {
043                data = new HashMap<String, CumulativeSpells>();
044        }
045
046        public Object get(String key) {
047                CumulativeSpells o = data.get(key);
048
049                if (o != null) {
050                        Spell s = o.getCurrentSpell();
051                        return s == null ? null : s.getAttachedData();
052                }
053
054                return null;
055        }
056
057        public Object getAny(String key) {
058                CumulativeSpells o = data.get(key);
059
060                if (o != null) {
061                        Spell s = o.getSpell(0);
062                        return s == null ? null : s.getAttachedData();
063                }
064
065                return null;
066        }
067
068        public Iterable<String> getAttributes() {
069                return data.keySet();
070        }
071
072        @SuppressWarnings("unchecked")
073        public Iterable<Spell> getAttributeSpells(String key) {
074                CumulativeSpells o = data.get(key);
075
076                if (o != null)
077                        return Collections.unmodifiableList(o.spells);
078
079                return Collections.EMPTY_LIST;
080        }
081
082        public int getAttributesCount() {
083                return data.size();
084        }
085
086        public void set(String key, Object value) {
087                CumulativeSpells spells = data.get(key);
088
089                if (spells == null) {
090                        spells = new CumulativeSpells();
091                        data.put(key, spells);
092                }
093
094                Spell s = spells.closeSpell();
095
096                if (s != null)
097                        s.setEndOpen(true);
098
099                s = spells.startSpell(date);
100                s.setAttachedData(value);
101        }
102
103        public void remove(String key) {
104                CumulativeSpells spells = data.get(key);
105
106                if (spells == null)
107                        return;
108
109                spells.closeSpell();
110        }
111
112        public void remove() {
113                for (CumulativeSpells spells : data.values())
114                        spells.closeSpell();
115        }
116
117        public void updateDate(double date) {
118                this.date = date;
119
120                for (CumulativeSpells spells : data.values())
121                        spells.updateCurrentSpell(date);
122        }
123
124        public String toString() {
125                StringBuilder buffer = new StringBuilder();
126
127                buffer.append("(");
128
129                for (String key : data.keySet()) {
130                        buffer.append(key).append(":").append(data.get(key));
131                }
132
133                buffer.append(")");
134
135                return buffer.toString();
136        }
137}