/*
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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 2009-2010 Sun Microsystems, Inc.
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*/
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package org.opends.server.replication.protocol;
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import java.io.IOException;
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import java.io.UnsupportedEncodingException;
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import java.util.ArrayList;
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import java.util.zip.DataFormatException;
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import org.opends.server.replication.common.ChangeNumber;
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/**
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* This class specifies the parameters of a search request on the ECL.
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* It is used as an interface between the requestor (plugin part)
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* - either as an han
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*/
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public class StartECLSessionMsg extends ReplicationMsg
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{
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/**
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* This specifies that the ECL is requested from a provided cookie value
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* defined as a MultiDomainServerState.
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*/
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public final static short REQUEST_TYPE_FROM_COOKIE = 0;
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/**
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* This specifies that the ECL is requested from a provided interval
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* of change numbers (as defined by draft-good-ldap-changelog [CHANGELOG]
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* and NOT replication change numbers).
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* TODO: not yet implemented
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*/
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public final static short REQUEST_TYPE_FROM_DRAFT_CHANGE_NUMBER = 1;
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/**
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* This specifies that the ECL is requested ony for the entry that have
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* a repl change number matching the provided one.
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* TODO: not yet implemented
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*/
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public final static short REQUEST_TYPE_EQUALS_REPL_CHANGE_NUMBER = 2;
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/**
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* This specifies that the request on the ECL is a PERSISTENT search
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* with changesOnly = false.
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*/
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public final static short PERSISTENT = 0;
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/**
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* This specifies that the request on the ECL is a NOT a PERSISTENT search.
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*/
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public final static short NON_PERSISTENT = 1;
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/**
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* This specifies that the request on the ECL is a PERSISTENT search
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* with changesOnly = true.
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*/
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public final static short PERSISTENT_CHANGES_ONLY = 2;
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// The type of request as defined by REQUEST_TYPE_...
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private short eclRequestType;
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// When eclRequestType = FROM_COOKIE,
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// specifies the provided cookie value.
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private String crossDomainServerState = "";
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// When eclRequestType = FROM_CHANGE_NUMBER,
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// specifies the provided change number first and last - [CHANGELOG]
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private int firstDraftChangeNumber = -1;
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private int lastDraftChangeNumber = -1;
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// When eclRequestType = EQUALS_REPL_CHANGE_NUMBER,
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// specifies the provided replication change number.
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private ChangeNumber changeNumber;
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// Specifies whether the search is persistent and changesOnly
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private short isPersistent = NON_PERSISTENT;
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// A string helping debuging and tracing the client operation related when
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// processing, on the RS side, a request on the ECL.
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private String operationId = "";
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// Excluded domains
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private ArrayList<String> excludedServiceIDs = new ArrayList<String>();
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/**
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* Creates a new StartSessionMsg message from its encoded form.
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*
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* @param in The byte array containing the encoded form of the message.
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* @throws java.util.zip.DataFormatException If the byte array does not
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* contain a valid encoded form of the message.
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*/
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public StartECLSessionMsg(byte[] in) throws DataFormatException
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{
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/*
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* The message is stored in the form:
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* <message type><status><assured flag><assured mode><safe data level>
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* <list of referrals urls>
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* (each referral url terminates with 0)
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*/
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try
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{
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/* first bytes are the header */
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int pos = 0;
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/* first byte is the type */
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if (in.length < 1 || in[pos++] != MSG_TYPE_START_ECL_SESSION)
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{
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throw new DataFormatException(
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"Input is not a valid " + this.getClass().getCanonicalName());
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}
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// start mode
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int length = getNextLength(in, pos);
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eclRequestType = Short.valueOf(new String(in, pos, length, "UTF-8"));
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pos += length +1;
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// sequenceNumber
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length = getNextLength(in, pos);
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firstDraftChangeNumber =
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Integer.valueOf(new String(in, pos, length, "UTF-8"));
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pos += length +1;
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// stopSequenceNumber
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length = getNextLength(in, pos);
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lastDraftChangeNumber =
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Integer.valueOf(new String(in, pos, length, "UTF-8"));
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pos += length +1;
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// replication changeNumber
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length = getNextLength(in, pos);
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String changenumberStr = new String(in, pos, length, "UTF-8");
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pos += length + 1;
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changeNumber = new ChangeNumber(changenumberStr);
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// persistentSearch mode
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length = getNextLength(in, pos);
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isPersistent = Short.valueOf(new String(in, pos, length, "UTF-8"));
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pos += length + 1;
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// generalized state
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length = getNextLength(in, pos);
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crossDomainServerState = new String(in, pos, length, "UTF-8");
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pos += length + 1;
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// operation id
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length = getNextLength(in, pos);
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operationId = new String(in, pos, length, "UTF-8");
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pos += length + 1;
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// excluded DN
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length = getNextLength(in, pos);
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String excludedDNsString = new String(in, pos, length, "UTF-8");
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if (excludedDNsString.length()>0)
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{
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String[] excludedDNsStr = excludedDNsString.split(";");
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for (String excludedDNStr : excludedDNsStr)
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{
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this.excludedServiceIDs.add(excludedDNStr);
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}
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}
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pos += length + 1;
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} catch (UnsupportedEncodingException e)
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{
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throw new DataFormatException("UTF-8 is not supported by this jvm.");
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} catch (IllegalArgumentException e)
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{
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throw new DataFormatException(e.getMessage());
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}
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}
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/**
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* Creates a new StartSessionMsg message with the given required parameters.
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*/
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public StartECLSessionMsg()
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{
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eclRequestType = REQUEST_TYPE_FROM_COOKIE;
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crossDomainServerState = "";
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firstDraftChangeNumber = -1;
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lastDraftChangeNumber = -1;
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changeNumber = new ChangeNumber(0,0,0);
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isPersistent = NON_PERSISTENT;
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operationId = "-1";
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excludedServiceIDs = new ArrayList<String>();
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public byte[] getBytes()
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{
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String excludedSIDsString = new String();
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for (String excludedServiceID : excludedServiceIDs)
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{
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excludedSIDsString = excludedSIDsString.concat(excludedServiceID+";");
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}
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try
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{
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byte[] byteMode =
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Short.toString(eclRequestType).getBytes("UTF-8");
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byte[] byteSequenceNumber =
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String.valueOf(firstDraftChangeNumber).getBytes("UTF-8");
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byte[] byteStopSequenceNumber =
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String.valueOf(lastDraftChangeNumber).getBytes("UTF-8");
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byte[] byteChangeNumber =
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changeNumber.toString().getBytes("UTF-8");
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byte[] bytePsearch =
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Short.toString(isPersistent).getBytes();
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byte[] byteGeneralizedState =
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String.valueOf(crossDomainServerState).getBytes("UTF-8");
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byte[] byteOperationId =
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String.valueOf(operationId).getBytes("UTF-8");
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byte[] byteExcludedDNs =
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String.valueOf(excludedSIDsString).getBytes("UTF-8");
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int length =
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byteMode.length + 1 +
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byteSequenceNumber.length + 1 +
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byteStopSequenceNumber.length + 1 +
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byteChangeNumber.length + 1 +
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bytePsearch.length + 1 +
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byteGeneralizedState.length + 1 +
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byteOperationId.length + 1 +
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byteExcludedDNs.length + 1 +
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1;
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byte[] resultByteArray = new byte[length];
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int pos = 0;
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resultByteArray[pos++] = MSG_TYPE_START_ECL_SESSION;
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pos = addByteArray(byteMode, resultByteArray, pos);
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pos = addByteArray(byteSequenceNumber, resultByteArray, pos);
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pos = addByteArray(byteStopSequenceNumber, resultByteArray, pos);
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pos = addByteArray(byteChangeNumber, resultByteArray, pos);
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pos = addByteArray(bytePsearch, resultByteArray, pos);
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pos = addByteArray(byteGeneralizedState, resultByteArray, pos);
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pos = addByteArray(byteOperationId, resultByteArray, pos);
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pos = addByteArray(byteExcludedDNs, resultByteArray, pos);
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return resultByteArray;
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} catch (IOException e)
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{
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// never happens
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return null;
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}
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public String toString()
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{
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return (this.getClass().getCanonicalName() + " [" +
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" requestType="+ eclRequestType +
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" persistentSearch=" + isPersistent +
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" changeNumber=" + changeNumber +
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" firstDraftChangeNumber=" + firstDraftChangeNumber +
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" lastDraftChangeNumber=" + lastDraftChangeNumber +
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" generalizedState=" + crossDomainServerState +
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" operationId=" + operationId +
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" excludedDNs=" + excludedServiceIDs + "]");
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}
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/**
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* Getter on the changer number start.
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* @return the changer number start.
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*/
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public int getFirstDraftChangeNumber()
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{
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return firstDraftChangeNumber;
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}
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/**
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* Getter on the changer number stop.
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* @return the change number stop.
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*/
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public int getLastDraftChangeNumber()
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{
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return lastDraftChangeNumber;
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}
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/**
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* Setter on the first changer number (as defined by [CHANGELOG]).
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* @param firstDraftChangeNumber the provided first change number.
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*/
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public void setFirstDraftChangeNumber(int firstDraftChangeNumber)
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{
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this.firstDraftChangeNumber = firstDraftChangeNumber;
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}
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/**
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* Setter on the last changer number (as defined by [CHANGELOG]).
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* @param lastDraftChangeNumber the provided last change number.
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*/
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public void setLastDraftChangeNumber(int lastDraftChangeNumber)
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{
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this.lastDraftChangeNumber = lastDraftChangeNumber;
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}
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/**
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* Getter on the replication change number.
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* @return the replication change number.
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*/
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public ChangeNumber getChangeNumber()
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{
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return changeNumber;
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}
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/**
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* Setter on the replication change number.
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* @param changeNumber the provided replication change number.
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*/
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public void setChangeNumber(ChangeNumber changeNumber)
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{
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this.changeNumber = changeNumber;
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}
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/**
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* Getter on the type of request.
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* @return the type of request.
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*/
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public short getECLRequestType()
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{
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return eclRequestType;
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}
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/**
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* Setter on the type of request.
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* @param eclRequestType the provided type of request.
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*/
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public void setECLRequestType(short eclRequestType)
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{
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this.eclRequestType = eclRequestType;
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}
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/**
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* Getter on the persistent property of the search request on the ECL.
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* @return the persistent property.
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*/
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public short isPersistent()
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{
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return this.isPersistent;
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}
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/**
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* Setter on the persistent property of the search request on the ECL.
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* @param isPersistent the provided persistent property.
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*/
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public void setPersistent(short isPersistent)
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{
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this.isPersistent = isPersistent;
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}
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/**
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* Getter of the cross domain server state.
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* @return the cross domain server state.
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*/
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public String getCrossDomainServerState()
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{
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return this.crossDomainServerState;
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}
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/**
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* Setter of the cross domain server state.
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* @param crossDomainServerState the provided cross domain server state.
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*/
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public void setCrossDomainServerState(String crossDomainServerState)
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{
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this.crossDomainServerState = crossDomainServerState;
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}
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/**
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* Setter of the operation id.
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* @param operationId The provided opration id.
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*/
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public void setOperationId(String operationId)
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{
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this.operationId = operationId;
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}
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/**
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* Getter on the operation id.
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* @return the operation id.
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*/
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public String getOperationId()
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{
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return this.operationId;
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}
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/**
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* Getter on the list of excluded ServiceIDs.
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* @return the list of excluded ServiceIDs.
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*/
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public ArrayList<String> getExcludedServiceIDs()
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{
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return this.excludedServiceIDs;
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}
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/**
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* Setter on the list of excluded ServiceIDs.
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* @param excludedServiceIDs the provided list of excluded ServiceIDs.
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*/
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public void setExcludedDNs(ArrayList<String> excludedServiceIDs)
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{
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this.excludedServiceIDs = excludedServiceIDs;
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}
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}
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