org.mule.module.launcher.util.ElementEvent Maven / Gradle / Ivy

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/*
 * $Id: ElementEvent.java 20320 2010-11-24 15:03:31Z dfeist $
 * --------------------------------------------------------------------------------------
 * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 *
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */

package org.mule.module.launcher.util;

import java.beans.PropertyChangeEvent;

/**
*
*/
public abstract class ElementEvent extends PropertyChangeEvent {

    public static final int ADDED = 0;
    public static final int UPDATED = 1;
    public static final int REMOVED = 2;
    public static final int CLEARED = 3;
    public static final int MULTI_ADD = 4;
    public static final int MULTI_REMOVE = 5;

    private static final String PROPERTY_NAME = "ObservableList__element";
    protected static final Object OLDVALUE = new Object();
    protected static final Object NEWVALUE = new Object();

    private int type;
    private int index;

    public ElementEvent(Object source, Object oldValue, Object newValue, int index, int type) {
        super(source, PROPERTY_NAME, oldValue, newValue);
        switch (type) {
            case ADDED:
            case UPDATED:
            case REMOVED:
            case CLEARED:
            case MULTI_ADD:
            case MULTI_REMOVE:
                this.type = type;
                break;
            default:
                this.type = UPDATED;
                break;
        }
        this.index = index;
    }

    public int getIndex() {
        return index;
    }

    public int getType() {
        return type;
    }

    public String getTypeAsString() {
        switch (type) {
            case ADDED:
                return "ADDED";
            case UPDATED:
                return "UPDATED";
            case REMOVED:
                return "REMOVED";
            case CLEARED:
                return "CLEARED";
            case MULTI_ADD:
                return "MULTI_ADD";
            case MULTI_REMOVE:
                return "MULTI_REMOVE";
            default:
                return "UPDATED";
        }
    }
}