/*
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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 2013-2016 ForgeRock AS.
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*/
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package org.opends.server.tools.upgrade;
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import com.forgerock.opendj.cli.ClientException;
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/** An upgrade task. */
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interface UpgradeTask
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{
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/**
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* Performs any preparation work required before performing the upgrade task, including
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* interacting with the user where needed (e.g. in order to ask for confirmation), and throw a
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* {@code ClientException} if the upgrade cannot proceed.
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*
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* @param context
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* Context through which tasks can interact with the server installation.
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* @throws ClientException
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* If the upgrade cannot proceed.
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*/
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void prepare(UpgradeContext context) throws ClientException;
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/**
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* Performs this upgrade task.
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*
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* @param context
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* Context through which tasks can interact with the server installation.
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* @throws ClientException
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* If an error occurred while performing the task.
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*/
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void perform(UpgradeContext context) throws ClientException;
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/**
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* This method will be invoked after all upgrade tasks have completed
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* successfully The post upgrade tasks are processes which should be launched
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* after a successful upgrade.
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*
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* @param context
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* Context through which tasks can interact with the server
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* installation.
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* @throws ClientException
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* If the task cannot proceed.
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*/
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void postUpgrade(UpgradeContext context) throws ClientException;
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/**
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* This method will be invoked only if one of the previous post upgrade task
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* has failed.
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*
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* @param context
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* Context through which tasks can interact with the server
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* installation.
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* @throws ClientException
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* If the task cannot proceed.
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*/
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void postponePostUpgrade(UpgradeContext context) throws ClientException;
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}
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