/*
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* The contents of this file are subject to the terms of the Common Development and
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* Distribution License (the License). You may not use this file except in compliance with the
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* License.
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*
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* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
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* specific language governing permission and limitations under the License.
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*
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* When distributing Covered Software, include this CDDL Header Notice in each file and include
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* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
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* Header, with the fields enclosed by brackets [] replaced by your own identifying
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* information: "Portions Copyright [year] [name of copyright owner]".
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*
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* Copyright 2008-2010 Sun Microsystems, Inc.
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* Portions Copyright 2012-2014 ForgeRock AS.
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*/
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package org.opends.server.replication.common;
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/**
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* This class holds information about a RS connected to the topology. This
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* information is to be exchanged through the replication protocol in topology
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* messages, to keep every member DS of the topology aware of the RS topology.
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* <p>
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* This class is immutable.
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*/
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public final class RSInfo
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{
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/** Server id of the RS. */
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private final int rsServerId;
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/** Generation Id of the RS. */
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private final long generationId;
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/** Group id of the RS. */
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private final byte groupId;
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/**
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* The weight of the RS.
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* <p>
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* It is important to keep the default value to 1 so that it is used as
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* default value for a RS using protocol V3: this default value will be used
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* in algorithms that use weight.
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*/
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private final int weight;
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/** The server URL of the RS. */
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private final String rsServerURL;
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/**
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* Creates a new instance of RSInfo with every given info.
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*
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* @param rsServerId The RS id
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* @param rsServerURL Url of the RS
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* @param generationId The generation id the RS is using
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* @param groupId RS group id
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* @param weight RS weight
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*/
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public RSInfo(int rsServerId, String rsServerURL,
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long generationId, byte groupId, int weight)
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{
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this.rsServerId = rsServerId;
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this.rsServerURL = rsServerURL;
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this.generationId = generationId;
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this.groupId = groupId;
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this.weight = weight;
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}
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/**
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* Get the RS id.
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* @return the RS id
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*/
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public int getId()
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{
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return rsServerId;
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}
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/**
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* Get the generation id RS is using.
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* @return the generation id RS is using.
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*/
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public long getGenerationId()
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{
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return generationId;
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}
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/**
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* Get the RS group id.
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* @return The RS group id
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*/
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public byte getGroupId()
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{
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return groupId;
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}
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/**
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* Get the RS weight.
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* @return The RS weight
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*/
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public int getWeight()
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{
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return weight;
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}
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/**
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* Test if the passed object is equal to this one.
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* @param obj The object to test
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* @return True if both objects are equal
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*/
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@Override
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public boolean equals(Object obj)
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{
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if (obj == null)
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{
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return false;
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}
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if (obj.getClass() != getClass())
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{
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return false;
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}
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final RSInfo rsInfo = (RSInfo) obj;
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return rsServerId == rsInfo.getId()
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&& generationId == rsInfo.getGenerationId()
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&& groupId == rsInfo.getGroupId()
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&& weight == rsInfo.getWeight();
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}
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/**
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* Computes hash code for this object instance.
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* @return Hash code for this object instance.
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*/
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@Override
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public int hashCode()
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{
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int hash = 7;
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hash = 17 * hash + this.rsServerId;
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hash = 17 * hash + (int) (this.generationId ^ (this.generationId >>> 32));
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hash = 17 * hash + this.groupId;
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hash = 17 * hash + this.weight;
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return hash;
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}
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/**
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* Gets the server URL.
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* @return the serverUrl
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*/
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public String getServerUrl()
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{
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return rsServerURL;
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}
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/**
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* Returns a string representation of the DS info.
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* @return A string representation of the DS info
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*/
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@Override
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public String toString()
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{
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return "RS id: " + rsServerId
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+ " ; RS URL: " + rsServerURL
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+ " ; Generation id: " + generationId
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+ " ; Group id: " + groupId
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+ " ; Weight: " + weight;
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}
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}
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