mq5.0-source.main.comm-util.src.main.java.com.sun.messaging.jmq.util.lists.Event Maven / Gradle / Ivy
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/*
* @(#)Event.java 1.5 06/29/07
*/
package com.sun.messaging.jmq.util.lists;
/**
* Class which represents a event on a list which may
* generate a notification.
*
* @deprecated since 3.0
* @see EventBroadcaster
*/
public class Event extends java.util.EventObject
{
/**
* type of this event
*/
protected EventType id;
/**
* original value before the event occurred
*/
protected Object original_value;
/**
* new value after the event occurred
*/
protected Object new_value;
/**
* reason the event occurred
*/
protected Reason reason;
/**
* create a new event without a reason
*/
public Event(EventType id, Object target, Object original,
Object newval)
{
this(id, target, original, newval, null);
}
/**
* create a new event with a reason
*/
public Event(EventType id, Object target, Object original,
Object newval, Reason reason) {
super(target);
this.id = id;
this.reason = reason;
this.original_value = original;
this.new_value = newval;
}
/**
* @returns the event type for this event
*/
public EventType getEventType() {
return id;
}
/**
* @returns the original object for this event
* (may be null)
*/
public Object getOriginalValue() {
return original_value;
}
/**
* @returns the current object for this event
* (may be null)
*/
public Object getCurrentValue() {
return new_value;
}
/**
* @returns the reasont this event occurred
* (may be null)
*/
public Reason getReason() {
return reason;
}
/**
* string representation of this event
* @returns the string of this object
*/
public String toString() {
return id.toString() + " target(" +
getSource() + ") Reason(" +
getReason() + ") [was,is]=[" +
original_value + "," + new_value + "]";
}
/**
* compares this object against another object
* @param o the object to compare
* @returns true if the objects are the same, false otherwise
*/
public boolean equals(Object o) {
// compares reference to the item
return super.equals(o);
}
public int hashCode() {
return super.hashCode();
}
}