本文整理了Java中com.github.luben.zstd.Zstd
类的一些代码示例,展示了Zstd
类的具体用法。这些代码示例主要来源于Github
/Stackoverflow
/Maven
等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。Zstd
类的具体详情如下:
包路径:com.github.luben.zstd.Zstd
类名称:Zstd
暂无
代码示例来源:origin: apache/pulsar
@Override
public ByteBuf encode(ByteBuf source) {
int uncompressedLength = source.readableBytes();
int maxLength = (int) Zstd.compressBound(uncompressedLength);
ByteBuf target = PooledByteBufAllocator.DEFAULT.directBuffer(maxLength, maxLength);
int compressedLength;
if (source.hasMemoryAddress()) {
compressedLength = (int) Zstd.compressUnsafe(target.memoryAddress(), maxLength,
source.memoryAddress() + source.readerIndex(),
uncompressedLength, ZSTD_COMPRESSION_LEVEL);
} else {
ByteBuffer sourceNio = source.nioBuffer(source.readerIndex(), source.readableBytes());
ByteBuffer targetNio = target.nioBuffer(0, maxLength);
compressedLength = Zstd.compress(targetNio, sourceNio, ZSTD_COMPRESSION_LEVEL);
}
target.writerIndex(compressedLength);
return target;
}
代码示例来源:origin: apache/pulsar
@Override
public ByteBuf decode(ByteBuf encoded, int uncompressedLength) throws IOException {
ByteBuf uncompressed = PooledByteBufAllocator.DEFAULT.directBuffer(uncompressedLength, uncompressedLength);
if (encoded.hasMemoryAddress()) {
Zstd.decompressUnsafe(uncompressed.memoryAddress(), uncompressedLength,
encoded.memoryAddress() + encoded.readerIndex(),
encoded.readableBytes());
} else {
ByteBuffer uncompressedNio = uncompressed.nioBuffer(0, uncompressedLength);
ByteBuffer encodedNio = encoded.nioBuffer(encoded.readerIndex(), encoded.readableBytes());
Zstd.decompress(uncompressedNio, encodedNio);
}
uncompressed.writerIndex(uncompressedLength);
return uncompressed;
}
}
代码示例来源:origin: prestodb/presto
@Override
public int compress(byte[] input, int inputOffset, int inputLength, byte[] output, int outputOffset, int maxOutputLength)
{
long size = Zstd.compressByteArray(output, outputOffset, maxOutputLength, input, inputOffset, inputLength, COMPRESSION_LEVEL);
if (Zstd.isError(size)) {
throw new RuntimeException(Zstd.getErrorName(size));
}
return toIntExact(size);
}
代码示例来源:origin: prestodb/presto
@Override
public int maxCompressedLength(int uncompressedSize)
{
return toIntExact(Zstd.compressBound(uncompressedSize));
}
代码示例来源:origin: apache/ignite
/**
* @param compactPage Compacted page.
* @param compactSize Compacted page size.
* @param compressLevel Compression level.
* @return Compressed page.
*/
private ByteBuffer compressPageZstd(ByteBuffer compactPage, int compactSize, int compressLevel) {
ByteBuffer compressedPage = compressBuf.get();
copyPageHeader(compactPage, compressedPage, compactSize);
Zstd.compress(compressedPage, compactPage, compressLevel);
compactPage.flip();
compressedPage.flip();
return compressedPage;
}
代码示例来源:origin: apache/ignite
Zstd.decompress(dst, page);
dst.flip();
代码示例来源:origin: org.apache.carbondata/carbondata-core
@Override
public byte[] unCompressByte(byte[] compInput) {
long decompressedSize = Zstd.decompressedSize(compInput);
return Zstd.decompress(compInput, (int) decompressedSize);
}
代码示例来源:origin: org.apache.carbondata/carbondata-core
@Override
public long maxCompressedLength(long inputSize) {
return Zstd.compressBound(inputSize);
}
代码示例来源:origin: org.apache.carbondata/carbondata-core
@Override
public byte[] compressByte(byte[] unCompInput) {
return Zstd.compress(unCompInput, COMPRESS_LEVEL);
}
代码示例来源:origin: org.apache.carbondata/carbondata-core
@Override
public long rawUncompress(byte[] input, byte[] output) throws IOException {
return Zstd.decompress(output, input);
}
代码示例来源:origin: io.prestosql/presto-orc
@Override
public int maxCompressedLength(int uncompressedSize)
{
return toIntExact(Zstd.compressBound(uncompressedSize));
}
代码示例来源:origin: prestosql/presto
@Override
public int compress(byte[] input, int inputOffset, int inputLength, byte[] output, int outputOffset, int maxOutputLength)
{
long size = Zstd.compressByteArray(output, outputOffset, maxOutputLength, input, inputOffset, inputLength, COMPRESSION_LEVEL);
if (Zstd.isError(size)) {
throw new RuntimeException(Zstd.getErrorName(size));
}
return toIntExact(size);
}
代码示例来源:origin: org.apache.carbondata/carbondata-core
@Override
public byte[] compressByte(byte[] unCompInput, int byteSize) {
return Zstd.compress(unCompInput, COMPRESS_LEVEL);
}
代码示例来源:origin: airlift/aircompressor
@Override
public int decompress(byte[] input, int inputOffset, int inputLength, byte[] output, int outputOffset, int maxOutputLength)
throws MalformedInputException
{
byte[] compressed = Arrays.copyOfRange(input, inputOffset, inputLength);
byte[] uncompressed = Zstd.decompress(compressed, maxOutputLength);
System.arraycopy(uncompressed, 0, output, outputOffset, uncompressed.length);
return uncompressed.length;
}
代码示例来源:origin: com.facebook.presto/presto-orc
@Override
public int maxCompressedLength(int uncompressedSize)
{
return toIntExact(Zstd.compressBound(uncompressedSize));
}
代码示例来源:origin: com.facebook.presto/presto-orc
@Override
public int compress(byte[] input, int inputOffset, int inputLength, byte[] output, int outputOffset, int maxOutputLength)
{
long size = Zstd.compressByteArray(output, outputOffset, maxOutputLength, input, inputOffset, inputLength, COMPRESSION_LEVEL);
if (Zstd.isError(size)) {
throw new RuntimeException(Zstd.getErrorName(size));
}
return toIntExact(size);
}
代码示例来源:origin: airlift/aircompressor
@Override
public int compress(byte[] input, int inputOffset, int inputLength, byte[] output, int outputOffset, int maxOutputLength)
{
byte[] uncompressed = Arrays.copyOfRange(input, inputOffset, inputLength);
byte[] compressed = Zstd.compress(uncompressed, level);
System.arraycopy(compressed, 0, output, outputOffset, compressed.length);
return compressed.length;
}
代码示例来源:origin: prestosql/presto
@Override
public int maxCompressedLength(int uncompressedSize)
{
return toIntExact(Zstd.compressBound(uncompressedSize));
}
代码示例来源:origin: io.prestosql/presto-orc
@Override
public int compress(byte[] input, int inputOffset, int inputLength, byte[] output, int outputOffset, int maxOutputLength)
{
long size = Zstd.compressByteArray(output, outputOffset, maxOutputLength, input, inputOffset, inputLength, COMPRESSION_LEVEL);
if (Zstd.isError(size)) {
throw new RuntimeException(Zstd.getErrorName(size));
}
return toIntExact(size);
}
代码示例来源:origin: airlift/aircompressor
@Override
public int maxCompressedLength(int uncompressedSize)
{
return (int) Zstd.compressBound(uncompressedSize);
}
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