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DecodingDispatcher.java
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DecodingDispatcher.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.messaging.marshalling.v2.decoding;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.ByteToMessageDecoder;
import java.util.List;
import org.neo4j.causalclustering.catchup.Protocol;
import org.neo4j.causalclustering.catchup.RequestDecoderDispatcher;
import org.neo4j.causalclustering.messaging.marshalling.v2.ContentType;
import org.neo4j.logging.LogProvider;
public class DecodingDispatcher extends RequestDecoderDispatcher<ContentType>
{
private final ReplicatedContentChunkDecoder decoder;
public DecodingDispatcher( Protocol<ContentType> protocol, LogProvider logProvider )
{
super( protocol, logProvider );
decoder = new ReplicatedContentChunkDecoder();
register( ContentType.ContentType, new ByteToMessageDecoder()
{
@Override
protected void decode( ChannelHandlerContext ctx, ByteBuf in, List<Object> out )
{
if ( in.readableBytes() > 0 )
{
throw new IllegalStateException( "Not expecting any data here" );
}
}
} );
register( ContentType.RaftLogEntryTerms, new RaftLogEntryTermsDecoder( protocol ) );
register( ContentType.ReplicatedContent, decoder );
register( ContentType.Message, new RaftMessageDecoder( protocol ) );
}
@Override
public void channelInactive( ChannelHandlerContext ctx )
{
decoder.close();
}
}