Source Code Cross Referenced for JREvaluationTime.java in  » Report » jasperreports-2.0.1 » net » sf » jasperreports » engine » fill » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Report » jasperreports 2.0.1 » net.sf.jasperreports.engine.fill 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * ============================================================================
003:         * GNU Lesser General Public License
004:         * ============================================================================
005:         *
006:         * JasperReports - Free Java report-generating library.
007:         * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com
008:         * 
009:         * This library is free software; you can redistribute it and/or
010:         * modify it under the terms of the GNU Lesser General Public
011:         * License as published by the Free Software Foundation; either
012:         * version 2.1 of the License, or (at your option) any later version.
013:         * 
014:         * This library is distributed in the hope that it will be useful,
015:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
016:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
017:         * Lesser General Public License for more details.
018:         * 
019:         * You should have received a copy of the GNU Lesser General Public
020:         * License along with this library; if not, write to the Free Software
021:         * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
022:         * 
023:         * JasperSoft Corporation
024:         * 303 Second Street, Suite 450 North
025:         * San Francisco, CA 94107
026:         * http://www.jaspersoft.com
027:         */
028:        package net.sf.jasperreports.engine.fill;
029:
030:        import java.io.Serializable;
031:
032:        import net.sf.jasperreports.engine.JRConstants;
033:        import net.sf.jasperreports.engine.JRExpression;
034:        import net.sf.jasperreports.engine.JRGroup;
035:
036:        /**
037:         * An evaluation time during the report fill process.
038:         * 
039:         * @author Lucian Chirita (lucianc@users.sourceforge.net)
040:         * @version $Id: JREvaluationTime.java 1677 2007-03-29 11:44:30Z teodord $
041:         */
042:        public class JREvaluationTime implements  Serializable {
043:            /**
044:             *
045:             */
046:            private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
047:
048:            /**
049:             * Evaluation time corresponding to {@link JRExpression#EVALUATION_TIME_REPORT JRExpression.EVALUATION_TIME_REPORT}.
050:             */
051:            public static final JREvaluationTime EVALUATION_TIME_REPORT = new JREvaluationTime(
052:                    JRExpression.EVALUATION_TIME_REPORT, null, null);
053:            /**
054:             * Evaluation time corresponding to {@link JRExpression#EVALUATION_TIME_PAGE JRExpression.EVALUATION_TIME_PAGE}.
055:             */
056:            public static final JREvaluationTime EVALUATION_TIME_PAGE = new JREvaluationTime(
057:                    JRExpression.EVALUATION_TIME_PAGE, null, null);
058:            /**
059:             * Evaluation time corresponding to {@link JRExpression#EVALUATION_TIME_COLUMN JRExpression.EVALUATION_TIME_COLUMN}.
060:             */
061:            public static final JREvaluationTime EVALUATION_TIME_COLUMN = new JREvaluationTime(
062:                    JRExpression.EVALUATION_TIME_COLUMN, null, null);
063:            /**
064:             * Evaluation time corresponding to {@link JRExpression#EVALUATION_TIME_NOW JRExpression.EVALUATION_TIME_NOW}.
065:             */
066:            public static final JREvaluationTime EVALUATION_TIME_NOW = new JREvaluationTime(
067:                    JRExpression.EVALUATION_TIME_NOW, null, null);
068:
069:            /**
070:             * Returns the evaluation time corresponding to
071:             * {@link JRExpression#EVALUATION_TIME_GROUP JRExpression.EVALUATION_TIME_GROUP} for a specific group.
072:             * 
073:             * @param groupName the group name
074:             * @return corresponding group evaluation time
075:             */
076:            public static JREvaluationTime getGroupEvaluationTime(
077:                    String groupName) {
078:                return new JREvaluationTime(JRExpression.EVALUATION_TIME_GROUP,
079:                        groupName, null);
080:            }
081:
082:            /**
083:             * Returns the evaluation time corresponding to
084:             * {@link JRExpression#EVALUATION_TIME_BAND JRExpression.EVALUATION_TIME_BAND} for a specific band.
085:             * 
086:             * @param band the band
087:             * @return corresponding band evaluation time
088:             */
089:            public static JREvaluationTime getBandEvaluationTime(JRFillBand band) {
090:                return new JREvaluationTime(JRExpression.EVALUATION_TIME_BAND,
091:                        null, band);
092:            }
093:
094:            /**
095:             * Returns the evaluation time corresponding to an evaluation time type.
096:             * 
097:             * @param type the evaluation time type
098:             * @param group the group used for {@link JRExpression#EVALUATION_TIME_GROUP JRExpression.EVALUATION_TIME_GROUP}
099:             * 	evaluation time type
100:             * @param band the band used for {@link JRExpression#EVALUATION_TIME_BAND JRExpression.EVALUATION_TIME_BAND}
101:             * 	evaluation time type
102:             * @return the evaluation time corresponding to an evaluation time type
103:             */
104:            public static JREvaluationTime getEvaluationTime(byte type,
105:                    JRGroup group, JRFillBand band) {
106:                JREvaluationTime evaluationTime;
107:
108:                switch (type) {
109:                case JRExpression.EVALUATION_TIME_REPORT:
110:                    evaluationTime = EVALUATION_TIME_REPORT;
111:                    break;
112:                case JRExpression.EVALUATION_TIME_PAGE:
113:                    evaluationTime = EVALUATION_TIME_PAGE;
114:                    break;
115:                case JRExpression.EVALUATION_TIME_COLUMN:
116:                    evaluationTime = EVALUATION_TIME_COLUMN;
117:                    break;
118:                case JRExpression.EVALUATION_TIME_GROUP:
119:                    evaluationTime = getGroupEvaluationTime(group.getName());
120:                    break;
121:                case JRExpression.EVALUATION_TIME_BAND:
122:                    evaluationTime = getBandEvaluationTime(band);
123:                    break;
124:                default:
125:                    evaluationTime = null;
126:                    break;
127:                }
128:
129:                return evaluationTime;
130:            }
131:
132:            private final byte type;
133:            private final String groupName;
134:            private final int bandId;
135:            private final int hash;
136:
137:            private JREvaluationTime(byte type, String groupName,
138:                    JRFillBand band) {
139:                this .type = type;
140:                this .groupName = groupName;
141:                this .bandId = band == null ? 0 : band.getId();
142:
143:                this .hash = computeHash();
144:            }
145:
146:            private int computeHash() {
147:                int hashCode = type;
148:                hashCode = 31 * hashCode
149:                        + (groupName == null ? 0 : groupName.hashCode());
150:                hashCode = 31 * hashCode + bandId;
151:                return hashCode;
152:            }
153:
154:            public boolean equals(Object obj) {
155:                if (obj == this ) {
156:                    return true;
157:                }
158:
159:                JREvaluationTime e = (JREvaluationTime) obj;
160:
161:                boolean eq = e.type == type;
162:
163:                if (eq) {
164:                    switch (type) {
165:                    case JRExpression.EVALUATION_TIME_GROUP:
166:                        eq = groupName.equals(e.groupName);
167:                        break;
168:                    case JRExpression.EVALUATION_TIME_BAND:
169:                        eq = bandId == e.bandId;
170:                        break;
171:                    }
172:                }
173:
174:                return eq;
175:            }
176:
177:            public int hashCode() {
178:                return hash;
179:            }
180:        }
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