Source Code Cross Referenced for ScheduleElementImpl.java in  » Science » Cougaar12_4 » org » cougaar » planning » ldm » plan » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Science » Cougaar12_4 » org.cougaar.planning.ldm.plan 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * <copyright>
003:         *  
004:         *  Copyright 1997-2004 BBNT Solutions, LLC
005:         *  under sponsorship of the Defense Advanced Research Projects
006:         *  Agency (DARPA).
007:         * 
008:         *  You can redistribute this software and/or modify it under the
009:         *  terms of the Cougaar Open Source License as published on the
010:         *  Cougaar Open Source Website (www.cougaar.org).
011:         * 
012:         *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
013:         *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
014:         *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
015:         *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
016:         *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
017:         *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
018:         *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
019:         *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
020:         *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
021:         *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
022:         *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
023:         *  
024:         * </copyright>
025:         */
026:
027:        package org.cougaar.planning.ldm.plan;
028:
029:        import java.util.Date;
030:
031:        import org.cougaar.util.TimeSpan;
032:
033:        /**
034:         * Base class for ScheduleElement.  Millisecond accuracy times are stored
035:         * in seconds since java epoch start, GMT.  Start time is closed, end time is open.
036:         */
037:
038:        public class ScheduleElementImpl implements  ScheduleElement,
039:                NewScheduleElement, java.io.Serializable {
040:            protected long stime = TimeSpan.MIN_VALUE;
041:            protected long etime = TimeSpan.MAX_VALUE;
042:
043:            /** no-arg constructor */
044:            public ScheduleElementImpl() {
045:            }
046:
047:            /** constructor for factory use that takes the start and end dates */
048:            public ScheduleElementImpl(Date start, Date end) {
049:                stime = start.getTime();
050:                etime = end.getTime();
051:                if (stime == etime)
052:                    throw new IllegalArgumentException(
053:                            "ScheduleElements must span a non-zero amount of time.");
054:            }
055:
056:            /** constructor for factory use that takes the start and end dates */
057:            public ScheduleElementImpl(long start, long end) {
058:                stime = start;
059:                etime = end;
060:                if (stime == etime)
061:                    throw new IllegalArgumentException(
062:                            "ScheduleElements must span a non-zero amount of time.");
063:            }
064:
065:            public Date getStartDate() {
066:                return new Date(stime);
067:            }
068:
069:            public long getStartTime() {
070:                return stime;
071:            }
072:
073:            public Date getEndDate() {
074:                return new Date(etime);
075:            }
076:
077:            public long getEndTime() {
078:                return etime;
079:            }
080:
081:            /** @return boolean whether the date is included in this schedule */
082:            public boolean included(Date date) {
083:                return included(date.getTime());
084:            }
085:
086:            public boolean included(long time) {
087:                return ((time >= stime) && (time < etime));
088:            }
089:
090:            /** @return boolean whether schedules overlap */
091:            public boolean overlapSchedule(ScheduleElement se) {
092:                long tstime = se.getStartTime();
093:                long tetime = se.getEndTime();
094:
095:                return (tstime < etime && tetime > stime);
096:            }
097:
098:            public boolean abutSchedule(ScheduleElement se) {
099:                long tstime = se.getStartTime();
100:                long tetime = se.getEndTime();
101:
102:                return (tstime == etime || tetime == stime);
103:            }
104:
105:            // NewSchedule interface implementations
106:
107:            /** @param startdate Set Start time for the task */
108:            public void setStartDate(Date startdate) {
109:                stime = startdate.getTime();
110:                if (stime == etime)
111:                    throw new IllegalArgumentException(
112:                            "ScheduleElements must span a non-zero amount of time.");
113:            }
114:
115:            public void setStartTime(long t) {
116:                stime = t;
117:                if (stime == etime)
118:                    throw new IllegalArgumentException(
119:                            "ScheduleElements must span a non-zero amount of time.");
120:            }
121:
122:            /** @param enddate Set End time for the task */
123:            public void setEndDate(Date enddate) {
124:                etime = enddate.getTime();
125:                if (stime == etime)
126:                    throw new IllegalArgumentException(
127:                            "ScheduleElements must span a non-zero amount of time.");
128:            }
129:
130:            public void setEndTime(long t) {
131:                etime = t;
132:                if (stime == etime)
133:                    throw new IllegalArgumentException(
134:                            "ScheduleElements must span a non-zero amount of time.");
135:            }
136:
137:            public void setStartEndTimes(long starttime, long endtime) {
138:                stime = starttime;
139:                etime = endtime;
140:                if (etime <= stime)
141:                    throw new IllegalArgumentException(
142:                            "ScheduleElements must span a non-zero amount of time.");
143:            }
144:
145:            public String toString() {
146:                return "<" + getStartDate() + "-" + getEndDate() + ">";
147:            }
148:
149:        }
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