///////////////////////////////////////////////////////////////////////////////
//
// JTOpen (IBM Toolbox for Java - OSS version)
//
// Filename: AS400JDBCRowSetEventSupport.java
//
// The source code contained herein is licensed under the IBM Public License
// Version 1.0, which has been approved by the Open Source Initiative.
// Copyright (C) 1997-2001 International Business Machines Corporation and
// others. All rights reserved.
//
///////////////////////////////////////////////////////////////////////////////
package com.ibm.as400.access;
import javax.sql.RowSetEvent;
import javax.sql.RowSetListener;
import java.util.Vector;
/**
* The AS400JDBCRowSetEventSupport class represents an event support
* facility for maintaining and notifying listeners of JDBC rowset events.
**/
class AS400JDBCRowSetEventSupport
{
static final String copyright = "Copyright (C) 1997-2001 International Business Machines Corporation and others.";
private Vector rowsetListeners_; // The listener list.
/**
* Constructs a default AS400JDBCRowSetEventSupport object.
**/
public AS400JDBCRowSetEventSupport()
{
rowsetListeners_ = new Vector();
}
/**
* Adds a RowSetListener.
* @param listener The listener.
**/
public void addRowSetListener(RowSetListener listener)
{
if (listener == null)
throw new NullPointerException("listener");
rowsetListeners_.addElement(listener);
}
/**
* Fires the cursor moved event.
* @param event The RowSetEvent.
**/
public void fireCursorMoved(RowSetEvent event)
{
Vector targets = (Vector) rowsetListeners_.clone();
for (int i=0; i< targets.size(); i++)
{
RowSetListener target = (RowSetListener) targets.elementAt(i);
target.cursorMoved(event);
}
}
/**
* Fires the row changed event.
* @param event The RowSetEvent.
**/
public void fireRowChanged(RowSetEvent event)
{
Vector targets = (Vector) rowsetListeners_.clone();
for (int i=0; i< targets.size(); i++)
{
RowSetListener target = (RowSetListener) targets.elementAt(i);
target.rowChanged(event);
}
}
/**
* Fires the rowSetChanged event.
* @param event The RowSetEvent.
**/
public void fireRowSetChanged(RowSetEvent event)
{
Vector targets = (Vector) rowsetListeners_.clone();
for (int i=0; i< targets.size(); i++)
{
RowSetListener target = (RowSetListener) targets.elementAt(i);
target.rowSetChanged(event);
}
}
/**
* Removes a RowSetListener.
* @param listener The listener to be removed.
**/
public void removeRowSetListener(RowSetListener listener)
{
if (listener == null)
throw new NullPointerException("listener");
rowsetListeners_.removeElement(listener);
}
}
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