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CatchupClientBuilder.java
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CatchupClientBuilder.java
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/*
* Copyright (c) 2002-2018 "Neo4j,"
* Neo4j Sweden AB [http://neo4j.com]
*
* This file is part of Neo4j Enterprise Edition. The included source
* code can be redistributed and/or modified under the terms of the
* GNU AFFERO GENERAL PUBLIC LICENSE Version 3
* (http://www.fsf.org/licensing/licenses/agpl-3.0.html) with the
* Commons Clause, as found in the associated LICENSE.txt file.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* Neo4j object code can be licensed independently from the source
* under separate terms from the AGPL. Inquiries can be directed to:
* licensing@neo4j.com
*
* More information is also available at:
* https://neo4j.com/licensing/
*/
package org.neo4j.causalclustering.catchup;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.socket.SocketChannel;
import java.time.Clock;
import java.time.Duration;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.TimeUnit;
import java.util.function.Function;
import org.neo4j.causalclustering.protocol.ModifierProtocolInstaller;
import org.neo4j.causalclustering.protocol.NettyPipelineBuilderFactory;
import org.neo4j.causalclustering.protocol.Protocol.ApplicationProtocols;
import org.neo4j.causalclustering.protocol.Protocol.ModifierProtocols;
import org.neo4j.causalclustering.protocol.ProtocolInstaller;
import org.neo4j.causalclustering.protocol.ProtocolInstaller.Orientation.Client;
import org.neo4j.causalclustering.protocol.ProtocolInstallerRepository;
import org.neo4j.causalclustering.protocol.handshake.ApplicationProtocolRepository;
import org.neo4j.causalclustering.protocol.handshake.ApplicationSupportedProtocols;
import org.neo4j.causalclustering.protocol.handshake.HandshakeClientInitializer;
import org.neo4j.causalclustering.protocol.handshake.ModifierProtocolRepository;
import org.neo4j.causalclustering.protocol.handshake.ModifierSupportedProtocols;
import org.neo4j.logging.LogProvider;
import org.neo4j.logging.NullLogProvider;
import static java.util.Collections.emptyList;
import static java.util.Collections.singletonList;
import static org.neo4j.causalclustering.handlers.VoidPipelineWrapperFactory.VOID_WRAPPER;
import static org.neo4j.causalclustering.protocol.Protocol.ApplicationProtocolCategory.CATCHUP;
import static org.neo4j.time.Clocks.systemClock;
public class CatchupClientBuilder
{
private Duration handshakeTimeout = Duration.ofSeconds( 5 );
private LogProvider debugLogProvider = NullLogProvider.getInstance();
private LogProvider userLogProvider = NullLogProvider.getInstance();
private NettyPipelineBuilderFactory pipelineBuilder = new NettyPipelineBuilderFactory( VOID_WRAPPER );
private ApplicationSupportedProtocols catchupProtocols = new ApplicationSupportedProtocols( CATCHUP, emptyList() );
private Collection<ModifierSupportedProtocols> modifierProtocols = emptyList();
private Clock clock = systemClock();
private long inactivityTimeoutMillis = TimeUnit.SECONDS.toMillis( 10 );
public CatchupClientBuilder()
{
}
public CatchupClientBuilder( ApplicationSupportedProtocols catchupProtocols, Collection<ModifierSupportedProtocols> modifierProtocols,
NettyPipelineBuilderFactory pipelineBuilder, Duration handshakeTimeout, LogProvider debugLogProvider, LogProvider userLogProvider, Clock clock )
{
this.catchupProtocols = catchupProtocols;
this.modifierProtocols = modifierProtocols;
this.pipelineBuilder = pipelineBuilder;
this.handshakeTimeout = handshakeTimeout;
this.debugLogProvider = debugLogProvider;
this.userLogProvider = userLogProvider;
this.clock = clock;
}
public CatchupClientBuilder catchupProtocols( ApplicationSupportedProtocols catchupProtocols )
{
this.catchupProtocols = catchupProtocols;
return this;
}
public CatchupClientBuilder modifierProtocols( Collection<ModifierSupportedProtocols> modifierProtocols )
{
this.modifierProtocols = modifierProtocols;
return this;
}
public CatchupClientBuilder pipelineBuilder( NettyPipelineBuilderFactory pipelineBuilder )
{
this.pipelineBuilder = pipelineBuilder;
return this;
}
public CatchupClientBuilder handshakeTimeout( Duration handshakeTimeout )
{
this.handshakeTimeout = handshakeTimeout;
return this;
}
public CatchupClientBuilder inactivityTimeoutMillis( long inactivityTimeoutMillis )
{
this.inactivityTimeoutMillis = inactivityTimeoutMillis;
return this;
}
public CatchupClientBuilder debugLogProvider( LogProvider debugLogProvider )
{
this.debugLogProvider = debugLogProvider;
return this;
}
public CatchupClientBuilder userLogProvider( LogProvider userLogProvider )
{
this.userLogProvider = userLogProvider;
return this;
}
public CatchupClientBuilder clock( Clock clock )
{
this.clock = clock;
return this;
}
public CatchUpClient build()
{
ApplicationProtocolRepository applicationProtocolRepository = new ApplicationProtocolRepository( ApplicationProtocols.values(), catchupProtocols );
ModifierProtocolRepository modifierProtocolRepository = new ModifierProtocolRepository( ModifierProtocols.values(), modifierProtocols );
Function<CatchUpResponseHandler,ChannelInitializer<SocketChannel>> channelInitializer = handler -> {
List<ProtocolInstaller.Factory<Client,?>> installers = singletonList(
new CatchupProtocolClientInstaller.Factory( pipelineBuilder, debugLogProvider, handler ) );
ProtocolInstallerRepository<Client> protocolInstallerRepository = new ProtocolInstallerRepository<>( installers,
ModifierProtocolInstaller.allClientInstallers );
return new HandshakeClientInitializer( applicationProtocolRepository, modifierProtocolRepository, protocolInstallerRepository, pipelineBuilder,
handshakeTimeout, debugLogProvider, userLogProvider );
};
return new CatchUpClient( debugLogProvider, clock, inactivityTimeoutMillis, channelInitializer );
}
}