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ClusterNotification.java | - | 0% | 0% | 0% |
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/*
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* Copyright (c) 2002-2003 by OpenSymphony
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* All rights reserved.
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*/
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package com.opensymphony.oscache.plugins.clustersupport;
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import java.io.Serializable;
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/**
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* A notification message that holds information about a cache event. This
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* class is <code>Serializable</code> to allow it to be sent across the
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* network to other machines running in a cluster.
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*
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* @author <a href="mailto:chris@swebtec.com">Chris Miller</a>
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* @author $Author: chris_miller $
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* @version $Revision: 1.3 $
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*/
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public class ClusterNotification implements Serializable { |
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/**
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* Specifies a notification message that indicates a particular cache key
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* should be flushed.
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*/
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public static final int FLUSH_KEY = 1; |
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/**
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* Specifies a notification message that indicates an entire cache group
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* should be flushed.
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*/
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public static final int FLUSH_GROUP = 2; |
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/**
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* Specifies a notification message that indicates all entries in the cache
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* that match the specified pattern should be flushed.
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*/
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public static final int FLUSH_PATTERN = 3; |
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/**
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* Specifies a notification message indicating that an entire cache should
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* be flushed.
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*/
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public static final int FLUSH_CACHE = 4; |
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/**
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* Any additional data that may be required
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*/
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protected Serializable data;
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/**
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* The type of notification message.
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*/
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protected int type; |
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/**
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* Creates a new notification message object to broadcast to other
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* listening nodes in the cluster.
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*
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* @param type The type of notification message. Valid types are
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* {@link #FLUSH_KEY} and {@link #FLUSH_GROUP}.
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* @param data Specifies the object key or group name to flush.
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*/
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public ClusterNotification(int type, Serializable data) { |
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this.type = type;
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this.data = data;
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} |
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/**
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* Holds any additional data that was required
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*/
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public Serializable getData() {
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return data;
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} |
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/**
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* The type of notification message.
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*/
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public int getType() { |
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return type;
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} |
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public String toString() {
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StringBuffer buf = new StringBuffer();
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buf.append("type=").append(type).append(", data=").append(data); |
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return buf.toString();
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} |
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} |
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