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.base;
029:
030: import java.io.Serializable;
031:
032: import net.sf.jasperreports.engine.JRConstants;
033: import net.sf.jasperreports.engine.JRDatasetParameter;
034: import net.sf.jasperreports.engine.JRDatasetRun;
035: import net.sf.jasperreports.engine.JRExpression;
036:
037: /**
038: * Base implementation of the {@link net.sf.jasperreports.engine.JRDatasetRun JRDatasetRun} interface.
039: *
040: * @author Lucian Chirita (lucianc@users.sourceforge.net)
041: * @version $Id: JRBaseDatasetRun.java 1229 2006-04-19 10:27:35Z teodord $
042: */
043: public class JRBaseDatasetRun implements JRDatasetRun, Serializable {
044: private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
045:
046: protected String datasetName;
047: protected JRExpression parametersMapExpression;
048: protected JRDatasetParameter[] parameters;
049: protected JRExpression connectionExpression;
050: protected JRExpression dataSourceExpression;
051:
052: /**
053: * Creates an empty object.
054: */
055: protected JRBaseDatasetRun() {
056: }
057:
058: /**
059: * Creates a copy of a dataset instantiation.
060: *
061: * @param datasetRun the dataset instantiation
062: * @param factory the base object factory
063: */
064: protected JRBaseDatasetRun(JRDatasetRun datasetRun,
065: JRBaseObjectFactory factory) {
066: factory.put(datasetRun, this );
067:
068: datasetName = datasetRun.getDatasetName();
069: parametersMapExpression = factory.getExpression(datasetRun
070: .getParametersMapExpression());
071: connectionExpression = factory.getExpression(datasetRun
072: .getConnectionExpression());
073: dataSourceExpression = factory.getExpression(datasetRun
074: .getDataSourceExpression());
075:
076: JRDatasetParameter[] datasetParams = datasetRun.getParameters();
077: if (datasetParams != null && datasetParams.length > 0) {
078: parameters = new JRBaseDatasetParameter[datasetParams.length];
079: for (int i = 0; i < parameters.length; i++) {
080: parameters[i] = factory
081: .getDatasetParameter(datasetParams[i]);
082: }
083: }
084: }
085:
086: public String getDatasetName() {
087: return datasetName;
088: }
089:
090: public JRExpression getParametersMapExpression() {
091: return parametersMapExpression;
092: }
093:
094: public JRDatasetParameter[] getParameters() {
095: return parameters;
096: }
097:
098: public JRExpression getConnectionExpression() {
099: return connectionExpression;
100: }
101:
102: public JRExpression getDataSourceExpression() {
103: return dataSourceExpression;
104: }
105: }
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