org.apache.kafka.common.compress.ZstdFactory Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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* See the License for the specific language governing permissions and
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package org.apache.kafka.common.compress;
import com.github.luben.zstd.RecyclingBufferPool;
import com.github.luben.zstd.ZstdInputStreamNoFinalizer;
import com.github.luben.zstd.ZstdOutputStreamNoFinalizer;
import org.apache.kafka.common.KafkaException;
import org.apache.kafka.common.utils.BufferSupplier;
import org.apache.kafka.common.utils.ByteBufferInputStream;
import org.apache.kafka.common.utils.ByteBufferOutputStream;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.ByteBuffer;
public class ZstdFactory {
private ZstdFactory() { }
public static OutputStream wrapForOutput(ByteBufferOutputStream buffer) {
try {
// Set input buffer (uncompressed) to 16 KB (none by default) to ensure reasonable performance
// in cases where the caller passes a small number of bytes to write (potentially a single byte).
return new BufferedOutputStream(new ZstdOutputStreamNoFinalizer(buffer, RecyclingBufferPool.INSTANCE), 16 * 1024);
} catch (Throwable e) {
throw new KafkaException(e);
}
}
public static InputStream wrapForInput(ByteBuffer buffer, byte messageVersion, BufferSupplier decompressionBufferSupplier) {
try {
// Set output buffer (uncompressed) to 16 KB (none by default) to ensure reasonable performance
// in cases where the caller reads a small number of bytes (potentially a single byte).
return new BufferedInputStream(new ZstdInputStreamNoFinalizer(new ByteBufferInputStream(buffer),
RecyclingBufferPool.INSTANCE), 16 * 1024);
} catch (Throwable e) {
throw new KafkaException(e);
}
}
}