net.sf.jasperreports.data.cache.DateStore Maven / Gradle / Ivy
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2011 Jaspersoft Corporation. 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.util.Date;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* @author Lucian Chirita ([email protected])
* @version $Id: DateStore.java 5241 2012-04-09 10:44:26Z lucianc $
*/
public class DateStore implements BufferColumnStore
{
private static final Log log = LogFactory.getLog(DateStore.class);
private final ValueTransformer valueTransformer;
private final LongArrayStore timeStore;
public DateStore(int size, ValueTransformer valueTransformer)
{
this.valueTransformer = valueTransformer;
timeStore = new LongArrayStore(size, true);
if (log.isDebugEnabled())
{
log.debug(this + ": created time store " + timeStore);
}
}
@Override
public Class getBaseValuesType()
{
return valueTransformer.getResultType();
}
public void addValue(Object object)
{
if (!(object instanceof Date))
{
throw new IllegalArgumentException();
}
Date value = (Date) object;
long time = value.getTime();
timeStore.add(time);
}
public boolean full()
{
return timeStore.full();
}
public void resetValues()
{
timeStore.resetValues();
}
public ColumnValues createValues()
{
ColumnValues timeValues = timeStore.createValues();
return new TransformedColumnValues(timeValues, valueTransformer);
}
public String toString()
{
return "DateStore@" + hashCode();
}
}