Package org.apache.sysds.runtime.io
Class FrameReaderBinaryBlock
- java.lang.Object
-
- org.apache.sysds.runtime.io.FrameReader
-
- org.apache.sysds.runtime.io.FrameReaderBinaryBlock
-
- Direct Known Subclasses:
FrameReaderBinaryBlockParallel
public class FrameReaderBinaryBlock extends FrameReader
Single-threaded frame binary block reader.
-
-
Constructor Summary
Constructors Constructor Description FrameReaderBinaryBlock()
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description FrameBlockreadFirstBlock(String fname)Specific functionality of FrameReaderBinaryBlock, mostly used for testing.FrameBlockreadFrameFromHDFS(String fname, Types.ValueType[] schema, String[] names, long rlen, long clen)FrameBlockreadFrameFromInputStream(InputStream is, Types.ValueType[] schema, String[] names, long rlen, long clen)-
Methods inherited from class org.apache.sysds.runtime.io.FrameReader
getDefColNames, getDefSchema, readFrameFromHDFS, readFrameFromHDFS, readFrameFromInputStream, readFrameFromInputStream
-
-
-
-
Method Detail
-
readFrameFromHDFS
public final FrameBlock readFrameFromHDFS(String fname, Types.ValueType[] schema, String[] names, long rlen, long clen) throws IOException, DMLRuntimeException
- Specified by:
readFrameFromHDFSin classFrameReader- Throws:
IOExceptionDMLRuntimeException
-
readFrameFromInputStream
public FrameBlock readFrameFromInputStream(InputStream is, Types.ValueType[] schema, String[] names, long rlen, long clen) throws IOException, DMLRuntimeException
- Specified by:
readFrameFromInputStreamin classFrameReader- Throws:
IOExceptionDMLRuntimeException
-
readFirstBlock
public FrameBlock readFirstBlock(String fname) throws IOException
Specific functionality of FrameReaderBinaryBlock, mostly used for testing.- Parameters:
fname- file name- Returns:
- frame block
- Throws:
IOException- if IOException occurs
-
-