org.snmp4j.agent.mo.MOTableModelEvent Maven / Gradle / Ivy
/*_############################################################################
_##
_## SNMP4J-Agent 3 - MOTableModelEvent.java
_##
_## Copyright (C) 2005-2018 Frank Fock (SNMP4J.org)
_##
_## Licensed under the Apache License, Version 2.0 (the "License");
_## you may not use this file except in compliance with the License.
_## You may obtain a copy of the License at
_##
_## http://www.apache.org/licenses/LICENSE-2.0
_##
_## Unless required by applicable law or agreed to in writing, software
_## distributed under the License is distributed on an "AS IS" BASIS,
_## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
_## See the License for the specific language governing permissions and
_## limitations under the License.
_##
_##########################################################################*/
package org.snmp4j.agent.mo;
import java.util.EventObject;
/**
* The {@code MOTableModelEvent} event object describes events that change
* a table model. Such events include adding, removing, and changing of rows
* as well as clearing a whole model.
*
* @author Frank Fock
* @version 1.0
*/
public class MOTableModelEvent extends EventObject {
private static final long serialVersionUID = -2260159403182301993L;
public static final int ROW_CHANGED = 0;
public static final int ROW_ADDED = 1;
public static final int ROW_REMOVED = 2;
public static final int TABLE_CLEAR = 3;
private int type;
private MOTableRow affectedRow;
private int columnIndex = -1;
/**
* Creates a model event associated with a single row and column.
* @param source
* the event source.
* @param type
* the event type as defined by the ROW_* constants of this object.
* @param affectedRow
* the row that is associated with this event.
* @param columnIndex
* the column index associated with this event.
*/
public MOTableModelEvent(Object source, int type, MOTableRow affectedRow,
int columnIndex) {
super(source);
this.type = type;
this.affectedRow = affectedRow;
this.columnIndex = columnIndex;
}
/**
* Creates a model event associated with a single row.
* @param source
* the event source.
* @param type
* the event type as defined by the ROW_* constants of this object.
* @param affectedRow
* the row that is associated with this event.
*/
public MOTableModelEvent(Object source, int type, MOTableRow affectedRow) {
this(source, type, affectedRow, -1);
}
/**
* Creates the model wide event.
* @param source
* the event source.
* @param type
* the event type as defined by the constants of this object.
*/
public MOTableModelEvent(Object source, int type) {
this(source, type, null);
}
/**
* Returns the type of event.
* @return
* one of the event type constants defined by this object.
*/
public int getType() {
return type;
}
/**
* Gets the affected row (if a single row is affected by the event).
* @return
* the {@code MOTableRow} instance associated with this event, or
* {@code null} if the whole model is affected.
*/
public MOTableRow getAffectedRow() {
return affectedRow;
}
/**
* Returns the column index associated with this event.
* @return
* a column index >= 0 if a column is associated with this event or -1
* if not.
*/
public int getColumnIndex() {
return columnIndex;
}
public String toString() {
return MOTableModelEvent.class.getName()+"[type="+type+
",affectedRow="+affectedRow+",columnIndex="+columnIndex+"]";
}
}
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