/*
* ALMA - Atacama Large Millimiter Array
* (c) European Southern Observatory, 2008
*
* 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 alma.acs.logging.archive.zoom;
/**
* An interface for the progress of the zoom.
*
* @author acaproni
*
*/
public interface ZoomProgressListener {
/**
* Notifies the listener about the number of files currently read by the zoom engine.
* <P>
* This method of the listener is called when the loading of logs starts
* with a value of <code>0</code> while the zoom engine scans the folder
* looking for the files to read.
* <BR>
* When the list is ready, the zoom engine executes this method passing the number
* of the file it has started to read.
*
* @param num The number of files currently read.
*/
public void zoomReadingFile(int num);
/**
* Inform the listener about the total number of files that
* the zoom engine needs to read.
* <P>
* This method of the listener is executed only once by the engine,
* when it has generated the list of the files to read.
*
* @param num
*/
public void zoomTotalFileToRead(int num);
}