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/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2019 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.engine.fill;
import net.sf.jasperreports.engine.util.JRSwapFile;
import net.sf.jasperreports.engine.util.StreamCompression;
import net.sf.jasperreports.engine.util.SwapFileVirtualizerStore;
/**
* A virtualizer that uses a single swap file to serialize virtual data.
*
* @author Lucian Chirita ([email protected])
*/
public class JRSwapFileVirtualizer extends StoreVirtualizer
{
/**
* Creates a virtualizer that uses a swap file.
*
* The virtualizer will be considered the owner of the swap file.
*
* @param maxSize the maximum size (in JRVirtualizable objects) of the paged in cache.
* @param swap the swap file to use for data virtualization
*/
public JRSwapFileVirtualizer(int maxSize, JRSwapFile swap)
{
this(maxSize, swap, true);
}
/**
* Creates a virtualizer that uses a swap file.
*
* @param maxSize the maximum size (in JRVirtualizable objects) of the paged in cache.
* @param swap the swap file to use for data virtualization
* @param swapOwner whether the virtualizer is the owner (single user) of the swap file.
* If true
, the virtualizer will dispose the swap file on
* {@link #cleanup() cleanup}.
*/
public JRSwapFileVirtualizer(int maxSize, JRSwapFile swap, boolean swapOwner)
{
super(maxSize, new SwapFileVirtualizerStore(swap, swapOwner));
}
/**
* Creates a virtualizer that uses a swap file.
*
* @param maxSize the maximum size (in JRVirtualizable objects) of the paged in cache.
* @param swap the swap file to use for data virtualization
* @param swapOwner whether the virtualizer is the owner (single user) of the swap file.
* If true
, the virtualizer will dispose the swap file on
* {@link #cleanup() cleanup}.
* @param compression stream compression to apply to serialized data
*/
public JRSwapFileVirtualizer(int maxSize, JRSwapFile swap, boolean swapOwner,
StreamCompression compression)
{
super(maxSize, new SwapFileVirtualizerStore(swap, swapOwner, compression));
}
}