?? streamingdataset.java
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/*
*
* The DbUnit Database Testing Framework
* Copyright (C)2002-2004, DbUnit.org
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
package org.dbunit.dataset.stream;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.dbunit.dataset.*;
/**
* Dataset that consumes producer asyncronously.
*
* @author Manuel Laflamme
* @since Apr 18, 2003
* @version $Revision: 554 $
*/
public class StreamingDataSet extends AbstractDataSet
{
/**
* Logger for this class
*/
private static final Logger logger = LoggerFactory.getLogger(StreamingDataSet.class);
private IDataSetProducer _source;
private int _iteratorCount;
public StreamingDataSet(IDataSetProducer source)
{
_source = source;
}
////////////////////////////////////////////////////////////////////////////
// AbstractDataSet class
protected ITableIterator createIterator(boolean reversed)
throws DataSetException
{
logger.debug("createIterator(reversed=" + reversed + ") - start");
if (reversed)
{
throw new UnsupportedOperationException(
"Reverse iterator not supported!");
}
if (_iteratorCount > 0)
{
throw new UnsupportedOperationException(
"Only one iterator allowed!");
}
_iteratorCount++;
return new StreamingIterator(_source);
}
////////////////////////////////////////////////////////////////////////////
// IDataSet interface
/**
* Not supported.
* @throws UnsupportedOperationException
*/
public String[] getTableNames() throws DataSetException
{
logger.debug("getTableNames() - start");
throw new UnsupportedOperationException();
}
/**
* Not supported.
* @throws UnsupportedOperationException
*/
public ITableMetaData getTableMetaData(String tableName) throws DataSetException
{
logger.debug("getTableMetaData(tableName=" + tableName + ") - start");
throw new UnsupportedOperationException();
}
/**
* Not supported.
* @throws UnsupportedOperationException
*/
public ITable getTable(String tableName) throws DataSetException
{
logger.debug("getTable(tableName=" + tableName + ") - start");
throw new UnsupportedOperationException();
}
}
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