/*
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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 ForgeRock AS.
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*/
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package org.forgerock.opendj.rest2ldap;
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import java.util.Set;
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import org.forgerock.opendj.ldap.Entry;
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/**
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* A multi-version concurrency control strategy is responsible for ensuring that
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* clients can perform atomic updates to LDAP resources.
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*/
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abstract class MVCCStrategy {
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/*
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* This interface is an abstract class so that methods can be made package
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* private until API is finalized.
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*/
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MVCCStrategy() {
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// Nothing to do.
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}
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/**
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* Adds the name of any LDAP attribute required by this MVCC strategy to the
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* provided set.
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*
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* @param c
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* The context.
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* @param ldapAttributes
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* The set into which any required LDAP attribute name should be
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* put.
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*/
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abstract void getLDAPAttributes(Context c, Set<String> ldapAttributes);
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/**
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* Retrieves the revision value (etag) from the provided LDAP entry.
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*
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* @param c
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* The context.
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* @param entry
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* The LDAP entry.
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* @return The revision value.
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*/
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abstract String getRevisionFromEntry(Context c, Entry entry);
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}
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