/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2009 Sun Microsystems, Inc.
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*/
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package org.opends.server.replication.protocol;
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import java.util.List;
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import org.opends.server.protocols.asn1.ASN1;
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import org.opends.server.protocols.asn1.ASN1Writer;
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import org.opends.server.protocols.ldap.LDAPAttribute;
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import org.opends.server.protocols.ldap.LDAPModification;
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import org.opends.server.replication.common.ChangeNumber;
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import org.opends.server.replication.plugin.Historical;
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import org.opends.server.types.Attribute;
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import org.opends.server.types.AttributeType;
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import org.opends.server.types.AttributeUsage;
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import org.opends.server.types.ByteStringBuilder;
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import org.opends.server.types.Modification;
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/**
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* This class holds every common code for the modify messages (mod, moddn).
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*/
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public abstract class ModifyCommonMsg extends LDAPUpdateMsg {
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/**
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* The modifications kept encoded in the message.
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*/
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protected byte[] encodedMods = new byte[0];
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/**
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* Creates a new ModifyCommonMsg.
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*/
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public ModifyCommonMsg()
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{
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super();
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}
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/**
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* Creates a new ModifyCommonMsg with the given informations.
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*
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* @param ctx The replication Context of the operation for which the
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* update message must be created,.
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* @param dn The DN of the entry on which the change
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* that caused the creation of this object happened
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*/
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public ModifyCommonMsg(OperationContext ctx, String dn)
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{
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super(ctx, dn);
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}
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/**
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* Creates a new ModifyCommonMsg with the given informations.
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*
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* @param cn The ChangeNumber of the operation for which the
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* UpdateMessage is created.
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* @param entryUUID The Unique identifier of the entry that is updated
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* by the operation for which the UpdateMessage is created.
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* @param dn The DN of the entry on which the change
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* that caused the creation of this object happened
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*/
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public ModifyCommonMsg(ChangeNumber cn, String entryUUID, String dn)
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{
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super(cn, entryUUID, dn);
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}
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/**
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* Set the Modification associated to the UpdateMsg to the provided value.
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*
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* @param mods The new Modification associated to this ModifyMsg.
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*/
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public void setMods(List<Modification> mods)
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{
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encodedMods = modsToByte(mods);
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}
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/**
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* Encode an ArrayList of Modification into a byte[] suitable
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* for storage in a database or send on the network.
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*
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* @param mods the ArrayList of Modification to be encoded.
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* @return The encoded modifications.
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*/
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protected byte[] modsToByte(List<Modification> mods)
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{
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if ((mods == null) || (mods.size() == 0))
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return new byte[0];
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ByteStringBuilder byteBuilder = new ByteStringBuilder();
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ASN1Writer writer = ASN1.getWriter(byteBuilder);
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for (Modification mod : mods)
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{
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Attribute attr = mod.getAttribute();
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AttributeType type = attr.getAttributeType();
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if (type != null )
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{
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if (AttributeUsage.DSA_OPERATION.equals(type.getUsage()))
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{
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// Attributes with a dsaOperation usage should not be synchronized.
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// skip them.
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continue;
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}
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}
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if (!Historical.isHistoricalAttribute(attr))
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{
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LDAPModification ldapmod = new LDAPModification(
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mod.getModificationType(), new LDAPAttribute(mod.getAttribute()));
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try
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{
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ldapmod.write(writer);
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}
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catch(Exception e)
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{
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// DO SOMETHING
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}
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}
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}
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return byteBuilder.toByteArray();
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}
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}
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