public class WriterTextCSV extends MatrixWriter
| Modifier and Type | Field and Description |
|---|---|
static int |
BLOCKSIZE_J |
| Constructor and Description |
|---|
WriterTextCSV(FileFormatPropertiesCSV props) |
| Modifier and Type | Method and Description |
|---|---|
void |
addHeaderToCSV(String srcFileName,
String destFileName,
long rlen,
long clen) |
void |
writeEmptyMatrixToHDFS(String fname,
long rlen,
long clen,
int blen)
Writes a minimal entry to represent an empty matrix on hdfs.
|
void |
writeMatrixToHDFS(MatrixBlock src,
String fname,
long rlen,
long clen,
int blen,
long nnz,
boolean diag) |
createMatrixBlocksForReuse, getMatrixBlockForReuse, writeMatrixToHDFSpublic static final int BLOCKSIZE_J
public WriterTextCSV(FileFormatPropertiesCSV props)
public final void writeMatrixToHDFS(MatrixBlock src, String fname, long rlen, long clen, int blen, long nnz, boolean diag) throws IOException, DMLRuntimeException
writeMatrixToHDFS in class MatrixWriterIOExceptionDMLRuntimeExceptionpublic final void writeEmptyMatrixToHDFS(String fname, long rlen, long clen, int blen) throws IOException, DMLRuntimeException
MatrixWriterwriteEmptyMatrixToHDFS in class MatrixWriterfname - file namerlen - number of rowsclen - number of columnsblen - number of rows/cols in blockIOException - if IOException occursDMLRuntimeExceptionpublic final void addHeaderToCSV(String srcFileName, String destFileName, long rlen, long clen) throws IOException
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