Source Code Cross Referenced for CachedDataSet.java in  » Testing » DbUnit » org » dbunit » dataset » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Testing » DbUnit » org.dbunit.dataset 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         *
003:         * The DbUnit Database Testing Framework
004:         * Copyright (C)2002-2004, DbUnit.org
005:         *
006:         * This library is free software; you can redistribute it and/or
007:         * modify it under the terms of the GNU Lesser General Public
008:         * License as published by the Free Software Foundation; either
009:         * version 2.1 of the License, or (at your option) any later version.
010:         *
011:         * This library is distributed in the hope that it will be useful,
012:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
013:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014:         * Lesser General Public License for more details.
015:         *
016:         * You should have received a copy of the GNU Lesser General Public
017:         * License along with this library; if not, write to the Free Software
018:         * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
019:         *
020:         */
021:
022:        package org.dbunit.dataset;
023:
024:        import org.slf4j.Logger;
025:        import org.slf4j.LoggerFactory;
026:
027:        import org.dbunit.dataset.stream.IDataSetConsumer;
028:        import org.dbunit.dataset.stream.IDataSetProducer;
029:
030:        import java.util.ArrayList;
031:        import java.util.List;
032:
033:        /**
034:         * Hold copy of another dataset or a consumed provider content.
035:         *
036:         * @author Manuel Laflamme
037:         * @since Apr 18, 2003
038:         * @version $Revision: 554 $
039:         */
040:        public class CachedDataSet extends AbstractDataSet implements 
041:                IDataSetConsumer {
042:
043:            /**
044:             * Logger for this class
045:             */
046:            private static final Logger logger = LoggerFactory
047:                    .getLogger(CachedDataSet.class);
048:
049:            private ITable[] _tables;
050:
051:            private List _tableList;
052:            private DefaultTable _activeTable;
053:
054:            /**
055:             * Default constructor.
056:             */
057:            public CachedDataSet() {
058:            }
059:
060:            /**
061:             * Creates a copy of the specified dataset.
062:             */
063:            public CachedDataSet(IDataSet dataSet) throws DataSetException {
064:                List tableList = new ArrayList();
065:                ITableIterator iterator = dataSet.iterator();
066:                while (iterator.next()) {
067:                    tableList.add(new CachedTable(iterator.getTable()));
068:                }
069:                _tables = (ITable[]) tableList.toArray(new ITable[0]);
070:            }
071:
072:            /**
073:             * Creates a CachedDataSet that syncronously consume the specified producer.
074:             */
075:            public CachedDataSet(IDataSetProducer producer)
076:                    throws DataSetException {
077:                producer.setConsumer(this );
078:                producer.produce();
079:            }
080:
081:            ////////////////////////////////////////////////////////////////////////////
082:            // AbstractDataSet class
083:
084:            protected ITableIterator createIterator(boolean reversed)
085:                    throws DataSetException {
086:                logger.debug("createIterator(reversed=" + reversed
087:                        + ") - start");
088:
089:                return new DefaultTableIterator(_tables, reversed);
090:            }
091:
092:            ////////////////////////////////////////////////////////////////////////
093:            // IDataSetConsumer interface
094:
095:            public void startDataSet() throws DataSetException {
096:                logger.debug("startDataSet() - start");
097:
098:                _tableList = new ArrayList();
099:                _tables = null;
100:            }
101:
102:            public void endDataSet() throws DataSetException {
103:                logger.debug("endDataSet() - start");
104:
105:                _tables = (ITable[]) _tableList.toArray(new ITable[0]);
106:                _tableList = null;
107:            }
108:
109:            public void startTable(ITableMetaData metaData)
110:                    throws DataSetException {
111:                logger.debug("startTable(metaData=" + metaData + ") - start");
112:
113:                _activeTable = new DefaultTable(metaData);
114:                //        System.out.println("START " + _activeMetaData.getTableName());
115:            }
116:
117:            public void endTable() throws DataSetException {
118:                logger.debug("endTable() - start");
119:
120:                //         System.out.println("END " + _activeMetaData.getTableName());
121:                _tableList.add(_activeTable);
122:                _activeTable = null;
123:            }
124:
125:            public void row(Object[] values) throws DataSetException {
126:                logger.debug("row(values=" + values + ") - start");
127:
128:                _activeTable.addRow(values);
129:            }
130:        }
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