org.blosc

Class JBlosc

java.lang.Object

org.blosc.JBlosc

public class JBlosc
extends Object

Class that adds a more Java oriented programming vision to te JNA interface

Author:

aalted

Field Summary

Fields

Modifier and Type	Field and Description
static int	OVERHEAD

Constructor Summary

Constructors

Constructor and Description
JBlosc()

Method Summary

Modifier and Type	Method and Description
Buffer	cbufferComplib(Buffer cbuffer)
void	cbufferMetainfo(Buffer cbuffer, com.sun.jna.ptr.NativeLongByReference typesize, com.sun.jna.ptr.IntByReference flags)
BufferSizes	cbufferSizes(ByteBuffer cbuffer)
void	cbufferVersions(Buffer cbuffer, com.sun.jna.ptr.IntByReference version, com.sun.jna.ptr.IntByReference versionlz)
String	compcodeToCompname(int compcode) Call to the JNA blosc_compcode_to_compname
int	compnameToCompcode(String compname) Call to the JNA blosc_compname_to_compcode
int	compress(int compressionLevel, int shuffleType, int typeSize, ByteBuffer src, long srcLength, ByteBuffer dest, long destLength)
static int	compressCtx(int compressionLevel, int shuffleType, int typeSize, ByteBuffer src, long srcLength, ByteBuffer dest, long destLength, String compressorName, int blockSize, int numThreads)
int	decompress(Buffer src, Buffer dest, long destSize)
static int	decompressCtx(Buffer src, Buffer dest, long destSize, int numThreads)
void	destroy() Call to the JNA blosc_destroy()
void	freeResources() Call to the JNA blosc_free_resources throws an unchecked RuntimeException if there are problems freeing resources
int	getBlocksize() Call to the JNA blosc_get_blocksize method
String	getCompressor() Call to the JNA blosc_get_compressor
int	getNumThreads() call to the JNA blosc_get_nthreads
String	getVersionString() Call to the JNA blosc_get_version_string
void	init() Call to the JNA blosc_init()
String	listCompressors() Call the JNA blosc_list_compressors
static void	setBlocksize(long blocksize)
void	setCompressor(String compname) Call to the JNA blosc_set_compressor
void	setNumThreads(int nthreads) Call to the JNA blosc_set_nthreads

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

OVERHEAD

public static final int OVERHEAD

See Also:

Constant Field Values

Constructor Detail

JBlosc

public JBlosc()

Method Detail

init

public void init()

Call to the JNA blosc_init()

destroy

public void destroy()

Call to the JNA blosc_destroy()

setNumThreads

public void setNumThreads(int nthreads)

Call to the JNA blosc_set_nthreads

Parameters:

nthreads -

getNumThreads

public int getNumThreads()

call to the JNA blosc_get_nthreads

Returns:

listCompressors

public String listCompressors()

Call the JNA blosc_list_compressors

Returns:

setCompressor

public void setCompressor(String compname)

Call to the JNA blosc_set_compressor

Parameters:

compname -

getCompressor

public String getCompressor()

Call to the JNA blosc_get_compressor

Returns:

compnameToCompcode

public int compnameToCompcode(String compname)

Call to the JNA blosc_compname_to_compcode

Parameters:

compname -

Returns:

compcodeToCompname

public String compcodeToCompname(int compcode)

Call to the JNA blosc_compcode_to_compname

Parameters:

compcode -

Returns:

getVersionString

public String getVersionString()

Call to the JNA blosc_get_version_string

Returns:

freeResources

public void freeResources()

Call to the JNA blosc_free_resources throws an unchecked RuntimeException if there are problems freeing resources

getBlocksize

public int getBlocksize()

Call to the JNA blosc_get_blocksize method

Returns:

setBlocksize

public static void setBlocksize(long blocksize)

cbufferSizes

public BufferSizes cbufferSizes(ByteBuffer cbuffer)

compress

public int compress(int compressionLevel,
                    int shuffleType,
                    int typeSize,
                    ByteBuffer src,
                    long srcLength,
                    ByteBuffer dest,
                    long destLength)

decompress

public int decompress(Buffer src,
                      Buffer dest,
                      long destSize)

compressCtx

public static int compressCtx(int compressionLevel,
                              int shuffleType,
                              int typeSize,
                              ByteBuffer src,
                              long srcLength,
                              ByteBuffer dest,
                              long destLength,
                              String compressorName,
                              int blockSize,
                              int numThreads)

decompressCtx

public static int decompressCtx(Buffer src,
                                Buffer dest,
                                long destSize,
                                int numThreads)

cbufferMetainfo

public void cbufferMetainfo(Buffer cbuffer,
                            com.sun.jna.ptr.NativeLongByReference typesize,
                            com.sun.jna.ptr.IntByReference flags)

cbufferVersions

public void cbufferVersions(Buffer cbuffer,
                            com.sun.jna.ptr.IntByReference version,
                            com.sun.jna.ptr.IntByReference versionlz)

cbufferComplib

public Buffer cbufferComplib(Buffer cbuffer)