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 * This file is part of GraphStream <http://graphstream-project.org>.
010 * 
011 * GraphStream is a library whose purpose is to handle static or dynamic
012 * graph, create them from scratch, file or any source and display them.
013 * 
014 * This program is free software distributed under the terms of two licenses, the
015 * CeCILL-C license that fits European law, and the GNU Lesser General Public
016 * License. You can  use, modify and/ or redistribute the software under the terms
017 * of the CeCILL-C license as circulated by CEA, CNRS and INRIA at the following
018 * URL <http://www.cecill.info> or under the terms of the GNU LGPL as published by
019 * the Free Software Foundation, either version 3 of the License, or (at your
020 * option) any later version.
021 * 
022 * This program is distributed in the hope that it will be useful, but WITHOUT ANY
023 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
024 * PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
025 * 
026 * You should have received a copy of the GNU Lesser General Public License
027 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
028 * 
029 * The fact that you are presently reading this means that you have had
030 * knowledge of the CeCILL-C and LGPL licenses and that you accept their terms.
031 */
032package org.graphstream.stream.sync;
033
034public class SourceTime {
035        protected String sourceId;
036        /**
037         * Current value of the time for this source.
038         */
039        protected long currentTimeId;
040        /**
041         * 
042         */
043        protected SinkTime sinkTime;
044
045        /**
046         * Create a new SourceTime for a given id. Current time id is set to 0.
047         */
048        public SourceTime() {
049                this(0);
050        }
051
052        /**
053         * Create a new SourceTime for a given id and a given time.
054         * 
055         * @param currentTimeId
056         */
057        public SourceTime(long currentTimeId) {
058                this(null, currentTimeId, null);
059        }
060
061        public SourceTime(String sourceId) {
062                this(sourceId, 0, null);
063        }
064
065        public SourceTime(String sourceId, SinkTime sinkTime) {
066                this(sourceId, 0, sinkTime);
067        }
068
069        /**
070         * Create a new SourceTime for a given id and a given time.
071         * 
072         * @param currentTimeId
073         */
074        public SourceTime(String sourceId, long currentTimeId) {
075                this(sourceId, currentTimeId, null);
076        }
077
078        public SourceTime(String sourceId, long currentTimeId, SinkTime sinkTime) {
079                this.sourceId = sourceId;
080                this.currentTimeId = currentTimeId;
081                this.sinkTime = sinkTime;
082        }
083
084        public SinkTime getSinkTime() {
085                return sinkTime;
086        }
087
088        public String getSourceId() {
089                return sourceId;
090        }
091
092        public void setSourceId(String sourceId) {
093                this.sourceId = sourceId;
094        }
095
096        public void setSinkTime(SinkTime st) {
097                this.sinkTime = st;
098        }
099
100        public long newEvent() {
101                currentTimeId++;
102
103                if (sinkTime != null)
104                        sinkTime.setTimeFor(sourceId, currentTimeId);
105
106                return currentTimeId;
107        }
108}