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Skip unnecessary allocation through extra encoding
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71 changes: 71 additions & 0 deletions
71
...g/src/main/java/org/neo4j/causalclustering/messaging/marshalling/ByteArraySerializer.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; | ||
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import io.netty.buffer.ByteBuf; | ||
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import java.io.ByteArrayInputStream; | ||
import java.io.IOException; | ||
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import org.neo4j.storageengine.api.WritableChannel; | ||
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public class ByteArraySerializer implements Serializer | ||
{ | ||
private final byte[] content; | ||
private final ByteArrayInputStream inputStream; | ||
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public ByteArraySerializer( byte[] content ) | ||
{ | ||
inputStream = new ByteArrayInputStream( content ); | ||
this.content = content; | ||
} | ||
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@Override | ||
public boolean encode( ByteBuf byteBuf ) throws IOException | ||
{ | ||
if ( inputStream.available() == content.length ) | ||
{ | ||
byteBuf.writeInt( content.length ); | ||
} | ||
if ( !hasBytes() ) | ||
{ | ||
return false; | ||
} | ||
int toWrite = Math.min( inputStream.available(), byteBuf.writableBytes() ); | ||
byteBuf.writeBytes( inputStream, toWrite ); | ||
return hasBytes(); | ||
} | ||
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private boolean hasBytes() | ||
{ | ||
return inputStream.available() > 0; | ||
} | ||
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@Override | ||
public void marshal( WritableChannel channel ) throws IOException | ||
{ | ||
int length = content.length; | ||
channel.putInt( length ); | ||
channel.put( content, length ); | ||
} | ||
} |
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36 changes: 0 additions & 36 deletions
36
.../java/org/neo4j/causalclustering/messaging/marshalling/ReplicatedContentChunkEncoder.java
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