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Free Java Reporting Library
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2022 TIBCO Software 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.data.cache;
import java.io.IOException;
import java.io.Serializable;
import java.sql.Timestamp;
import net.sf.jasperreports.engine.JRConstants;
/**
* @author Lucian Chirita ([email protected])
*/
public class TimestampValues implements ColumnValues, Serializable
{
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
private ColumnValues timeValues;
private ColumnValues nanoValues;
public TimestampValues(ColumnValues timeValues, ColumnValues nanoValues)
{
if (timeValues.size() != nanoValues.size())
{
throw new IllegalArgumentException();
}
this.timeValues = timeValues;
this.nanoValues = nanoValues;
}
private void writeObject(java.io.ObjectOutputStream out) throws IOException
{
out.writeUnshared(timeValues);
out.writeUnshared(nanoValues);
}
private void readObject(java.io.ObjectInputStream in) throws IOException, ClassNotFoundException
{
this.timeValues = (ColumnValues) in.readUnshared();
this.nanoValues = (ColumnValues) in.readUnshared();
}
@Override
public int size()
{
return timeValues.size();
}
@Override
public ColumnValuesIterator iterator()
{
ColumnValuesIterator timeIterator = timeValues.iterator();
ColumnValuesIterator nanoIterator = nanoValues.iterator();
return new TimestampValuesIterator(timeIterator, nanoIterator);
}
}
class TimestampValuesIterator implements ColumnValuesIterator
{
private final ColumnValuesIterator timeIterator;
private final ColumnValuesIterator nanoIterator;
public TimestampValuesIterator(ColumnValuesIterator timeIterator,
ColumnValuesIterator nanoIterator)
{
this.timeIterator = timeIterator;
this.nanoIterator = nanoIterator;
}
@Override
public void moveFirst()
{
timeIterator.moveFirst();
nanoIterator.moveFirst();
}
@Override
public boolean next()
{
return timeIterator.next() && nanoIterator.next();
}
@Override
public Object get()
{
long time = ((Number) timeIterator.get()).longValue();
int nano = ((Number) nanoIterator.get()).intValue();
Timestamp timestamp = new Timestamp(time);
timestamp.setNanos(nano);
return timestamp;
}
}