Package org.apache.sysds.runtime.iogen

Class MatrixGenerateReader

java.lang.Object

org.apache.sysds.runtime.io.MatrixReader

org.apache.sysds.runtime.iogen.MatrixGenerateReader

Direct Known Subclasses:

MatrixGenerateReader.MatrixReaderRowIrregular, MatrixGenerateReader.MatrixReaderRowRegularColIrregular, MatrixGenerateReader.MatrixReaderRowRegularColRegular

public abstract class MatrixGenerateReader
extends MatrixReader

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	MatrixGenerateReader.MatrixReaderRowIrregular
static class	MatrixGenerateReader.MatrixReaderRowRegularColIrregular
static class	MatrixGenerateReader.MatrixReaderRowRegularColRegular

Constructor Summary

Constructors

Constructor	Description
MatrixGenerateReader(CustomProperties _props)

Method Summary

Modifier and Type	Method	Description
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

MatrixGenerateReader

public MatrixGenerateReader(CustomProperties _props)

Method Detail

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