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Free Java Reporting Library
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2023 Cloud Software Group, Inc. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* JasperReports is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with JasperReports. If not, see .
*/
package net.sf.jasperreports.engine.base;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.UUID;
import net.sf.jasperreports.engine.JRConstants;
import net.sf.jasperreports.engine.JRDatasetParameter;
import net.sf.jasperreports.engine.JRDatasetRun;
import net.sf.jasperreports.engine.JRExpression;
import net.sf.jasperreports.engine.JRPropertiesHolder;
import net.sf.jasperreports.engine.JRPropertiesMap;
import net.sf.jasperreports.engine.JRRuntimeException;
import net.sf.jasperreports.engine.ReturnValue;
import net.sf.jasperreports.engine.util.JRCloneUtils;
/**
* Base implementation of the {@link net.sf.jasperreports.engine.JRDatasetRun JRDatasetRun} interface.
*
* @author Lucian Chirita ([email protected])
*/
public class JRBaseDatasetRun implements JRDatasetRun, Serializable
{
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
protected UUID uuid;
protected String datasetName;
protected JRExpression parametersMapExpression;
protected JRDatasetParameter[] parameters;
protected JRExpression connectionExpression;
protected JRExpression dataSourceExpression;
protected JRPropertiesMap propertiesMap;
protected List returnValues;
/**
* Creates an empty object.
*/
protected JRBaseDatasetRun()
{
}
/**
* Creates a copy of a dataset instantiation.
*
* @param datasetRun the dataset instantiation
* @param factory the base object factory
*/
protected JRBaseDatasetRun(JRDatasetRun datasetRun, JRBaseObjectFactory factory)
{
factory.put(datasetRun, this);
uuid = datasetRun.getUUID();
datasetName = datasetRun.getDatasetName();
parametersMapExpression = factory.getExpression(datasetRun.getParametersMapExpression());
connectionExpression = factory.getExpression(datasetRun.getConnectionExpression());
dataSourceExpression = factory.getExpression(datasetRun.getDataSourceExpression());
propertiesMap = JRPropertiesMap.getPropertiesClone(datasetRun);
JRDatasetParameter[] datasetParams = datasetRun.getParameters();
if (datasetParams != null && datasetParams.length > 0)
{
parameters = new JRBaseDatasetParameter[datasetParams.length];
for (int i = 0; i < parameters.length; i++)
{
parameters[i] = factory.getDatasetParameter(datasetParams[i]);
}
}
List datesetReturnValues = datasetRun.getReturnValues();
if (datesetReturnValues != null && !datesetReturnValues.isEmpty())
{
this.returnValues = new ArrayList<>(datesetReturnValues.size());
for (ReturnValue datasetReturnValue : datesetReturnValues)
{
BaseReturnValue returnValue = factory.getReturnValue(datasetReturnValue);
this.returnValues.add(returnValue);
}
}
}
@Override
public UUID getUUID()
{
if (uuid == null)
{
uuid = UUID.randomUUID();
}
return uuid;
}
@Override
public String getDatasetName()
{
return datasetName;
}
@Override
public JRExpression getParametersMapExpression()
{
return parametersMapExpression;
}
@Override
public JRDatasetParameter[] getParameters()
{
return parameters;
}
@Override
public JRExpression getConnectionExpression()
{
return connectionExpression;
}
@Override
public JRExpression getDataSourceExpression()
{
return dataSourceExpression;
}
@Override
public List getReturnValues()
{
return returnValues == null ? null : Collections.unmodifiableList(returnValues);
}
@Override
public Object clone()
{
JRBaseDatasetRun clone = null;
try
{
clone = (JRBaseDatasetRun)super.clone();
}
catch (CloneNotSupportedException e)
{
throw new JRRuntimeException(e);
}
clone.parametersMapExpression = JRCloneUtils.nullSafeClone(parametersMapExpression);
clone.connectionExpression = JRCloneUtils.nullSafeClone(connectionExpression);
clone.dataSourceExpression = JRCloneUtils.nullSafeClone(dataSourceExpression);
clone.parameters = JRCloneUtils.cloneArray(parameters);
clone.propertiesMap = JRPropertiesMap.getPropertiesClone(this);
clone.returnValues = JRCloneUtils.cloneList(returnValues);
clone.uuid = null;
return clone;
}
@Override
public boolean hasProperties()
{
return propertiesMap != null && propertiesMap.hasProperties();
}
@Override
public JRPropertiesMap getPropertiesMap()
{
if (propertiesMap == null)
{
propertiesMap = new JRPropertiesMap();
}
return propertiesMap;
}
@Override
public JRPropertiesHolder getParentProperties()
{
return null;
}
}