ModifyCommonMsg.java revision 7185b49f58c4cdb16d035ecc45e38ec9b1cd9bd0
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at
* trunk/opends/resource/legal-notices/OpenDS.LICENSE
* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at
* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
* add the following below this CDDL HEADER, with the fields enclosed
* by brackets "[]" replaced with your own identifying information:
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*
*
* Copyright 2009 Sun Microsystems, Inc.
*/
package org.opends.server.replication.protocol;
import java.util.List;
import org.opends.server.protocols.asn1.ASN1;
import org.opends.server.protocols.asn1.ASN1Writer;
import org.opends.server.protocols.ldap.LDAPAttribute;
import org.opends.server.protocols.ldap.LDAPModification;
import org.opends.server.replication.common.ChangeNumber;
import org.opends.server.replication.plugin.Historical;
import org.opends.server.types.Attribute;
import org.opends.server.types.AttributeType;
import org.opends.server.types.AttributeUsage;
import org.opends.server.types.ByteStringBuilder;
import org.opends.server.types.Modification;
/**
* This class holds every common code for the modify messages (mod, moddn).
*/
public abstract class ModifyCommonMsg extends LDAPUpdateMsg {
/**
* The modifications kept encoded in the message.
*/
protected byte[] encodedMods = new byte[0];
/**
* Creates a new ModifyCommonMsg.
*/
public ModifyCommonMsg()
{
super();
}
/**
* Creates a new ModifyCommonMsg with the given informations.
*
* @param ctx The replication Context of the operation for which the
* update message must be created,.
* @param dn The DN of the entry on which the change
* that caused the creation of this object happened
*/
public ModifyCommonMsg(OperationContext ctx, String dn)
{
super(ctx, dn);
}
/**
* Creates a new ModifyCommonMsg with the given informations.
*
* @param cn The ChangeNumber of the operation for which the
* UpdateMessage is created.
* @param entryUUID The Unique identifier of the entry that is updated
* by the operation for which the UpdateMessage is created.
* @param dn The DN of the entry on which the change
* that caused the creation of this object happened
*/
public ModifyCommonMsg(ChangeNumber cn, String entryUUID, String dn)
{
super(cn, entryUUID, dn);
}
/**
* Set the Modification associated to the UpdateMsg to the provided value.
*
* @param mods The new Modification associated to this ModifyMsg.
*/
public void setMods(List<Modification> mods)
{
encodedMods = modsToByte(mods);
}
/**
* Encode an ArrayList of Modification into a byte[] suitable
* for storage in a database or send on the network.
*
* @param mods the ArrayList of Modification to be encoded.
* @return The encoded modifications.
*/
protected byte[] modsToByte(List<Modification> mods)
{
if ((mods == null) || (mods.size() == 0))
return new byte[0];
ByteStringBuilder byteBuilder = new ByteStringBuilder();
ASN1Writer writer = ASN1.getWriter(byteBuilder);
for (Modification mod : mods)
{
Attribute attr = mod.getAttribute();
AttributeType type = attr.getAttributeType();
if (type != null )
{
if (AttributeUsage.DSA_OPERATION.equals(type.getUsage()))
{
// Attributes with a dsaOperation usage should not be synchronized.
// skip them.
continue;
}
}
if (!Historical.isHistoricalAttribute(attr))
{
LDAPModification ldapmod = new LDAPModification(
mod.getModificationType(), new LDAPAttribute(mod.getAttribute()));
try
{
ldapmod.write(writer);
}
catch(Exception e)
{
// DO SOMETHING
}
}
}
return byteBuilder.toByteArray();
}
}