/*
* 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:
* Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
*
* Copyright 2009 Sun Microsystems, Inc.
* Portions Copyright 2010-2013 ForgeRock AS.
*/
package org.opends.server.replication.server;
import static org.opends.server.util.StaticUtils.getBytes;
import java.io.UnsupportedEncodingException;
import org.opends.messages.Message;
import org.opends.server.replication.common.ChangeNumber;
import com.sleepycat.je.DatabaseEntry;
/**
* SuperClass of DatabaseEntry used for data stored in the DraftCNDB.
*/
public class DraftCNData extends DatabaseEntry
{
private static final String FIELD_SEPARATOR = "!";
private static final long serialVersionUID = 1L;
String value;
String serviceID;
ChangeNumber changeNumber;
/**
* Creates a record to be stored in the DraftCNDB.
* @param value The value (cookie).
* @param serviceID The serviceID (domain DN).
* @param changeNumber The replication change number.
*/
public DraftCNData(String value,
String serviceID, ChangeNumber changeNumber)
{
String record = value
+ FIELD_SEPARATOR + serviceID
+ FIELD_SEPARATOR + changeNumber;
setData(getBytes(record));
}
/**
* Creates a record to be stored in the DraftCNDB from the provided byte[].
* @param data the provided byte[].
* @throws Exception a.
*/
public DraftCNData(byte[] data) throws Exception
{
decodeData(data);
}
/**
* Decode a record into fields.
* @param data the provided byte array.
* @throws Exception when a problem occurs.
*/
public void decodeData(byte[] data)
throws Exception
{
try
{
String stringData = new String(data, "UTF-8");
String[] str = stringData.split(FIELD_SEPARATOR, 3);
value = str[0];
serviceID = str[1];
changeNumber = new ChangeNumber(str[2]);
}
catch (UnsupportedEncodingException e)
{
// should never happens
// TODO: i18n
throw new ReplicationDBException(Message.raw("need UTF-8 support"));
}
}
/**
* Getter for the value.
* @return the value.
* @throws Exception when a problem occurs.
*/
public String getValue()
throws Exception
{
if (value == null)
this.decodeData(this.getData());
return this.value;
}
/**
* Getter for the service ID.
* @return The serviceID..
* @throws Exception when a problem occurs.
*/
public String getServiceID()
throws Exception
{
if (value == null)
this.decodeData(this.getData());
return this.serviceID;
}
/**
* Getter for the replication change number.
* @return the replication change number.
* @throws Exception when a problem occurs.
*/
public ChangeNumber getChangeNumber()
throws Exception
{
if (value == null)
this.decodeData(this.getData());
return this.changeNumber;
}
/**
* Provide a string representation of these data.
* @return the string representation of these data.
*/
public String toString()
{
StringBuilder buffer = new StringBuilder();
toString(buffer);
return buffer.toString();
}
/**
* Dump a string representation of these data into the provided buffer.
* @param buffer the provided buffer.
*/
public void toString(StringBuilder buffer)
{
buffer.append("DraftCNData : [value=").append(value);
buffer.append("] [serviceID=").append(serviceID);
buffer.append("] [changeNumber=").append(changeNumber).append("]");
}
}