001    /**
002     * Copyright 2007 Mike Kroutikov.
003     *
004     * This program is free software; you can redistribute it and/or modify
005     *   it under the terms of the Lesser GNU General Public License as 
006     *   published by the Free Software Foundation; either version 3 of
007     *   the License, or (at your option) any later version.
008     *
009     *   This program is distributed in the hope that it will be useful,
010     *   but WITHOUT ANY WARRANTY; without even the implied warranty of
011     *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
012     *   Lesser GNU General Public License for more details.
013     *
014     *   You should have received a copy of the Lesser GNU General Public License
015     *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
016     *   
017     *   Derived from code developed by Opentick Corporation, http://www.opentick.com.
018     */
019    
020    package org.otfeed.event;
021    
022    import static org.otfeed.event.IdentityUtil.equalsTo;
023    import static org.otfeed.event.IdentityUtil.safeCompare;
024    import static org.otfeed.event.IdentityUtil.safeHashCode;
025    
026    import java.io.Serializable;
027    import java.util.Date;
028    
029    
030    /**
031     * Class for book cancelation data representation.
032     */
033    public final class OTBookCancel implements Comparable<OTBookCancel>, Serializable {
034            
035            private static final long serialVersionUID = -1770059413413742405L;
036    
037            private Date timestamp;
038        private String reference;
039        private int size;
040    
041        /**
042         * Default constructor.
043         */
044        public OTBookCancel() { }
045    
046        /**
047         * Constructor.
048         *
049         * @param timestamp Time of the event.
050         * @param reference Order reference.
051         * @param size      Number of shares.
052         */
053        public OTBookCancel(Date timestamp, 
054                    String reference, int size) {
055            this.timestamp = timestamp;
056            this.reference = reference;
057            this.size = size;
058        }
059    
060        /**
061         * @return Time when the event occurred.
062         */
063        public Date getTimestamp() {
064            return timestamp;
065        }
066    
067        /**
068         * Sets time of the event.
069         * @param timestamp Time when the event occurred.
070         */
071        public void setTimestamp(Date timestamp) {
072            this.timestamp = timestamp;
073        }
074    
075        /**
076         * Sets order reference.
077         * @param reference Order reference.
078         */
079        public void setOrderRef(String reference) {
080            this.reference = reference;
081        }
082    
083        /**
084         * 
085         * @return Order reference.
086         */
087        public String getOrderRef() {
088            return this.reference;
089        }
090    
091        /**
092         *
093         * @return Number of shares.
094         */
095        public int getSize() {
096            return size;
097        }
098    
099        /**
100         * Sets number of shares.
101         * @param size Number of shares.
102         */
103        public void setSize(int size) {
104            this.size = size;
105        }
106    
107        @Override
108            public String toString() {
109            return "OTBookCancel: timestamp=" + timestamp + ", orderRef=" + reference + ", size=" + size;
110        }
111    
112        @Override
113            public int hashCode() {
114            return safeHashCode(timestamp) 
115                    + 3 * safeHashCode(reference) 
116                            + 5 * safeHashCode(size); 
117        }
118            
119        @Override
120            public boolean equals(Object o) {
121            return equalsTo(this, o);
122        }
123        
124            public int compareTo(OTBookCancel other) {
125                    int rc;
126    
127                    if((rc = safeCompare(timestamp, other.timestamp)) != 0) {
128                            return rc;
129                    }
130                    
131                    if((rc = safeCompare(reference, other.reference)) != 0) {
132                            return rc;
133                    }
134    
135                    if((rc = safeCompare(size, other.size)) != 0) {
136                            return rc;
137                    }
138                    
139                    return 0;
140            }
141    }