/*
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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 legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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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 legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* 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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* Portions Copyright 2013-2014 ForgeRock AS.
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*/
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package org.opends.server.replication.protocol;
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import java.util.zip.DataFormatException;
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import org.opends.server.replication.common.ServerState;
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import org.opends.server.types.DN;
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/**
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* Message sent by a replication server to a directory server in reply to the
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* ServerStartMsg.
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*/
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public class ReplServerStartDSMsg extends StartMsg
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{
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private final int serverId;
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private final String serverURL;
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private final DN baseDN;
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private final int windowSize;
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private final ServerState serverState;
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/**
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* Whether to continue using SSL to encrypt messages after the start
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* messages have been exchanged.
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*/
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private final boolean sslEncryption;
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/**
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* Threshold value used by the RS to determine if a DS must be put in
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* degraded status because the number of pending changes for him has crossed
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* this value. This field is only used by a DS.
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*/
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private int degradedStatusThreshold = -1;
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/**
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* The weight affected to the replication server.
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*/
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private final int weight;
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/**
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* Number of currently connected DS to the replication server.
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*/
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private final int connectedDSNumber;
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/**
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* Create a ReplServerStartDSMsg.
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*
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* @param serverId replication server id
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* @param serverURL replication server URL
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* @param baseDN base DN for which the ReplServerStartDSMsg is created.
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* @param windowSize The window size.
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* @param serverState our ServerState for this baseDN.
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* @param generationId The generationId for this server.
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* @param sslEncryption Whether to continue using SSL to encrypt messages
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* after the start messages have been exchanged.
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* @param groupId The group id of the RS
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* @param degradedStatusThreshold The degraded status threshold
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* @param weight The weight affected to the replication server.
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* @param connectedDSNumber Number of currently connected DS to the
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* replication server.
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*/
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public ReplServerStartDSMsg(int serverId, String serverURL, DN baseDN,
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int windowSize,
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ServerState serverState,
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long generationId,
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boolean sslEncryption,
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byte groupId,
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int degradedStatusThreshold,
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int weight,
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int connectedDSNumber)
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{
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super((short) -1 /* version set when sending */, generationId);
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this.serverId = serverId;
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this.serverURL = serverURL;
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this.baseDN = baseDN;
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this.windowSize = windowSize;
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this.serverState = serverState;
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this.sslEncryption = sslEncryption;
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this.groupId = groupId;
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this.degradedStatusThreshold = degradedStatusThreshold;
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this.weight = weight;
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this.connectedDSNumber = connectedDSNumber;
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}
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/**
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* Creates a new ReplServerStartDSMsg by decoding the provided byte array.
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* @param in A byte array containing the encoded information for the
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* ReplServerStartDSMsg
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* @throws DataFormatException If the in does not contain a properly
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* encoded ReplServerStartDSMsg.
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*/
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ReplServerStartDSMsg(byte[] in) throws DataFormatException
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{
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final ByteArrayScanner scanner = new ByteArrayScanner(in);
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decodeHeader(scanner, MSG_TYPE_REPL_SERVER_START_DS);
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/* The ReplServerStartDSMsg payload is stored in the form :
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* <baseDN><serverId><serverURL><windowSize><sslEncryption>
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* <degradedStatusThreshold><weight><connectedDSNumber>
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* <serverState>
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*/
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baseDN = scanner.nextDN();
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serverId = scanner.nextIntUTF8();
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serverURL = scanner.nextString();
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windowSize = scanner.nextIntUTF8();
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sslEncryption = Boolean.valueOf(scanner.nextString());//FIXME
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degradedStatusThreshold =scanner.nextIntUTF8();
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weight = scanner.nextIntUTF8();
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connectedDSNumber = scanner.nextIntUTF8();
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serverState = scanner.nextServerStateMustComeLast();
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}
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/**
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* Get the Server Id.
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* @return the server id
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*/
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public int getServerId()
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{
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return this.serverId;
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}
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/**
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* Get the server URL.
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* @return the server URL
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*/
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public String getServerURL()
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{
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return this.serverURL;
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}
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/**
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* Get the base DN from this ReplServerStartDSMsg.
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*
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* @return the base DN from this ReplServerStartDSMsg.
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*/
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public DN getBaseDN()
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{
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return baseDN;
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}
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/**
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* Get the serverState.
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* @return Returns the serverState.
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*/
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public ServerState getServerState()
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{
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return this.serverState;
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}
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/** {@inheritDoc} */
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@Override
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public byte[] getBytes(short protocolVersion)
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{
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/* The ReplServerStartDSMsg is stored in the form :
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* <operation type><baseDN><serverId><serverURL><windowSize><sslEncryption>
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* <degradedStatusThreshold><weight><connectedDSNumber>
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* <serverState>
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*/
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final ByteArrayBuilder builder = new ByteArrayBuilder();
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encodeHeader(MSG_TYPE_REPL_SERVER_START_DS, builder, protocolVersion);
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builder.appendDN(baseDN);
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builder.appendIntUTF8(serverId);
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builder.appendString(serverURL);
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builder.appendIntUTF8(windowSize);
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builder.appendString(Boolean.toString(sslEncryption));
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builder.appendIntUTF8(degradedStatusThreshold);
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builder.appendIntUTF8(weight);
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builder.appendIntUTF8(connectedDSNumber);
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builder.appendServerStateMustComeLast(serverState);
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return builder.toByteArray();
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}
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/**
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* get the window size for the server that created this message.
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*
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* @return The window size for the server that created this message.
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*/
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public int getWindowSize()
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{
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return windowSize;
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}
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/**
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* Get the SSL encryption value for the server that created the
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* message.
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*
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* @return The SSL encryption value for the server that created the
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* message.
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*/
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public boolean getSSLEncryption()
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{
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return sslEncryption;
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}
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/**
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* Get the degraded status threshold value.
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* @return The degraded status threshold value.
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*/
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public int getDegradedStatusThreshold()
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{
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return degradedStatusThreshold;
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}
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/**
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* Set the degraded status threshold (For test purpose).
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* @param degradedStatusThreshold The degraded status threshold to set.
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*/
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public void setDegradedStatusThreshold(int degradedStatusThreshold)
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{
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this.degradedStatusThreshold = degradedStatusThreshold;
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}
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/** {@inheritDoc} */
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@Override
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public String toString()
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{
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return "ReplServerStartDSMsg content: " +
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"\nprotocolVersion: " + protocolVersion +
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"\ngenerationId: " + generationId +
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"\nbaseDN: " + baseDN +
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"\ngroupId: " + groupId +
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"\nserverId: " + serverId +
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"\nserverState: " + serverState +
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"\nserverURL: " + serverURL +
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"\nsslEncryption: " + sslEncryption +
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"\ndegradedStatusThreshold: " + degradedStatusThreshold +
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"\nwindowSize: " + windowSize +
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"\nweight: " + weight +
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"\nconnectedDSNumber: " + connectedDSNumber;
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}
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/**
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* Gets the weight of the replication server.
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* @return The weight of the replication server.
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*/
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public int getWeight()
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{
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return weight;
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}
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/**
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* Gets the number of directory servers connected to the replication server.
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* @return The number of directory servers connected to the replication
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* server.
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*/
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public int getConnectedDSNumber()
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{
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return connectedDSNumber;
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}
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}
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