jakarta.faces.model.DataModelEvent Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2020 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package jakarta.faces.model;
import java.util.EventObject;
/**
*
* DataModelEvent represents an event of interest to registered listeners that occurred on the
* specified {@link DataModel}.
*
*/
public class DataModelEvent extends EventObject {
// ------------------------------------------------------------ Constructors
private static final long serialVersionUID = -1822980374964965366L;
/**
*
* Construct an event object that is associated with the specified row index and associated data.
*
*
* @param model The {@link DataModel} on which this event occurred
* @param index The zero relative row index for which this event occurred, or -1 for no specific row association
* @param data Representation of the data for the row specified by index, or null for no
* particular row data
*/
public DataModelEvent(DataModel model, int index, Object data) {
super(model);
this.index = index;
this.data = data;
}
// ------------------------------------------------------ Instance Variables
private Object data = null;
private int index = 0;
// -------------------------------------------------------------- Properties
/**
*
* Return the {@link DataModel} that fired this event.
*
*
* @return the {@link DataModel} that fired this event
*/
public DataModel getDataModel() {
return (DataModel) getSource();
}
/**
*
* Return the object representing the data for the specified row index, or null for no associated row data.
*
*
* @return the object representing the data for the specified row index, or null for no associated row data
*/
public Object getRowData() {
return data;
}
/**
*
* Return the row index for this event, or -1 for no specific row.
*
*
* @return the row index for this event, or -1 for no specific row
*/
public int getRowIndex() {
return index;
}
}