Source Code Cross Referenced for AttributeValuePeer.java in  » Issue-Tracking » scarab-0.21 » org » tigris » scarab » om » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Issue Tracking » scarab 0.21 » org.tigris.scarab.om 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        package org.tigris.scarab.om;
002:
003:        /* ================================================================
004:         * Copyright (c) 2000-2005 CollabNet.  All rights reserved.
005:         * 
006:         * Redistribution and use in source and binary forms, with or without
007:         * modification, are permitted provided that the following conditions are
008:         * met:
009:         * 
010:         * 1. Redistributions of source code must retain the above copyright
011:         * notice, this list of conditions and the following disclaimer.
012:         * 
013:         * 2. Redistributions in binary form must reproduce the above copyright
014:         * notice, this list of conditions and the following disclaimer in the
015:         * documentation and/or other materials provided with the distribution.
016:         * 
017:         * 3. The end-user documentation included with the redistribution, if
018:         * any, must include the following acknowlegement: "This product includes
019:         * software developed by Collab.Net <http://www.Collab.Net/>."
020:         * Alternately, this acknowlegement may appear in the software itself, if
021:         * and wherever such third-party acknowlegements normally appear.
022:         * 
023:         * 4. The hosted project names must not be used to endorse or promote
024:         * products derived from this software without prior written
025:         * permission. For written permission, please contact info@collab.net.
026:         * 
027:         * 5. Products derived from this software may not use the "Tigris" or 
028:         * "Scarab" names nor may "Tigris" or "Scarab" appear in their names without 
029:         * prior written permission of Collab.Net.
030:         * 
031:         * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
032:         * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
033:         * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
034:         * IN NO EVENT SHALL COLLAB.NET OR ITS CONTRIBUTORS BE LIABLE FOR ANY
035:         * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
036:         * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
037:         * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
038:         * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
039:         * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
040:         * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
041:         * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
042:         *
043:         * ====================================================================
044:         * 
045:         * This software consists of voluntary contributions made by many
046:         * individuals on behalf of Collab.Net.
047:         */
048:
049:        import java.util.Map;
050:        import java.util.HashMap;
051:
052:        // Village
053:        import com.workingdogs.village.Record;
054:        import com.workingdogs.village.DataSetException;
055:
056:        // Turbine classes
057:        import org.apache.torque.TorqueException;
058:        import org.apache.torque.util.Criteria;
059:
060:        /** 
061:         * The Peer class for an AttributeValue
062:         *
063:         * @author <a href="mailto:jmcnally@collab.net">John McNally</a>
064:         * @author <a href="mailto:jon@collab.net">Jon S. Stevens</a>
065:         * @author <a href="mailto:elicia@collab.net">Elicia David</a>
066:         * @version $Id: AttributeValuePeer.java 9977 2005-12-09 00:40:59Z hair $
067:         */
068:        public class AttributeValuePeer extends BaseAttributeValuePeer {
069:            private static Map classMap = new HashMap();
070:
071:            private static final String COUNT = "count(" + VALUE_ID + ')';
072:            private static final String COUNT_DISTINCT = "count(DISTINCT "
073:                    + VALUE_ID + ')';
074:
075:            /**
076:             * Adds count(AttributeValuePeer.VALUE_ID) to the select clause and returns the 
077:             * number of rows resulting from the given Criteria.  If the criteria will
078:             * lead to duplicate VALUE_ID's they will be counted.  However, if the
079:             * criteria is known not to lead to this, or unique VALUE_ID's are not
080:             * required, this method is cheaper than {@link #countDistinct(Criteria)}
081:             *
082:             * @param crit a <code>Criteria</code> value
083:             * @return an <code>int</code> value
084:             * @exception TorqueException if an error occurs
085:             * @exception DataSetException if an error occurs
086:             */
087:            public static int count(Criteria crit) throws TorqueException,
088:                    DataSetException {
089:                crit.addSelectColumn(COUNT);
090:                return ((Record) AttributeValuePeer
091:                        .doSelectVillageRecords(crit).get(0)).getValue(1)
092:                        .asInt();
093:            }
094:
095:            /**
096:             * Adds count(DISTINCT AttributeValuePeer.VALUE_ID) to the select clause and returns
097:             * the number of rows resulting from the given Criteria.  The returned
098:             * value will be the number of unique VALUE_ID's.
099:             *
100:             * @param crit a <code>Criteria</code> value
101:             * @return an <code>int</code> value
102:             * @exception TorqueException if an error occurs
103:             * @exception DataSetException if an error occurs
104:             */
105:            public static int countDistinct(Criteria crit)
106:                    throws TorqueException, DataSetException {
107:                crit.addSelectColumn(COUNT_DISTINCT);
108:                return ((Record) AttributeValuePeer
109:                        .doSelectVillageRecords(crit).get(0)).getValue(1)
110:                        .asInt();
111:            }
112:
113:            /** 
114:             * Get the className appropriate for a row in the 
115:             * SCARAB_ISSUE_ATTRIBUTE_VALUE table
116:             */
117:            public static Class getOMClass(Record record, int offset)
118:                    throws TorqueException {
119:                Class c = null;
120:                try {
121:                    Integer attId = new Integer(record.getValue(offset - 1 + 3)
122:                            .asString());
123:                    Attribute attribute = AttributeManager.getInstance(attId);
124:                    String className = attribute.getAttributeType()
125:                            .getJavaClassName();
126:
127:                    c = (Class) classMap.get(className);
128:                    if (c == null) {
129:                        c = Class.forName(className);
130:                        classMap.put(className, c);
131:                    }
132:                } catch (Exception e) {
133:                    throw new TorqueException(e); //EXCEPTION
134:                }
135:
136:                return c;
137:            }
138:        }
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