/*
 * DataSetUpdateEvent.java
 *
 * Created on October 23, 2003, 10:22 AM
 */

package org.das2.dataset;

import org.das2.event.DasEvent;
import org.das2.util.monitor.ProgressMonitor;
import org.das2.qds.QDataSet;

/**
 *
 * @author  jbf
 */
public class DataSetUpdateEvent extends DasEvent {
    
    private QDataSet dataSet;
    private Exception exception;
    private ProgressMonitor monitor;
    
    public DataSetUpdateEvent( Object source) {
        // null indicates that the state has changed and the consumer needs to read.
        super(source);
    }
    
    /** Creates a new instance of DataSetUpdateEvent */
    public DataSetUpdateEvent( Object source, QDataSet dataSet) {
        super(source);
        this.dataSet = dataSet;
    }
    
    public DataSetUpdateEvent( Object source, Exception exception) {
        super(source);
        this.exception = exception;
    }    
    
    public QDataSet getDataSet() {
        return dataSet;
    }
    
    public Exception getException() {
        return exception;
    }
    
    /**
     * temporary kludge that allows for identification of event to request
     */
    public void setMonitor( ProgressMonitor monitor ) {
        this.monitor= monitor;
    }
    
    public ProgressMonitor getMonitor() {
        return monitor;
    }
}