Package org.apache.sysds.runtime.compress.io

Class ReaderCompressed

java.lang.Object

org.apache.sysds.runtime.io.MatrixReader

org.apache.sysds.runtime.compress.io.ReaderCompressed

public final class ReaderCompressed
extends MatrixReader

Constructor Summary

Constructors

Constructor	Description
ReaderCompressed()
ReaderCompressed(int k)

Method Summary

Modifier and Type	Method	Description
static ReaderCompressed	create()
static MatrixBlock	readCompressedMatrixFromHDFS(String fname, long rlen, long clen, int blen)
MatrixBlock	readMatrixFromHDFS(String fname, long rlen, long clen, int blen, long estnnz)
MatrixBlock	readMatrixFromInputStream(InputStream is, long rlen, long clen, int blen, long estnnz)

Methods inherited from class java.lang.Object

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

Constructor Detail

ReaderCompressed

public ReaderCompressed()

ReaderCompressed

public ReaderCompressed(int k)

Method Detail

create

public static ReaderCompressed create()

readCompressedMatrixFromHDFS

public static MatrixBlock readCompressedMatrixFromHDFS(String fname,
                                                       long rlen,
                                                       long clen,
                                                       int blen)
                                                throws IOException

Throws:

IOException

readMatrixFromHDFS

public MatrixBlock readMatrixFromHDFS(String fname,
                                      long rlen,
                                      long clen,
                                      int blen,
                                      long estnnz)
                               throws IOException,
                                      DMLRuntimeException

Specified by:

readMatrixFromHDFS in class MatrixReader

Throws:

IOException

DMLRuntimeException

readMatrixFromInputStream

public MatrixBlock readMatrixFromInputStream(InputStream is,
                                             long rlen,
                                             long clen,
                                             int blen,
                                             long estnnz)
                                      throws IOException,
                                             DMLRuntimeException

Specified by:

readMatrixFromInputStream in class MatrixReader

Throws:

IOException

DMLRuntimeException