Package org.apache.orc.impl

Interface IntegerReader

All Known Implementing Classes:

RunLengthIntegerReader, RunLengthIntegerReaderV2

public interface IntegerReader

Interface for reading integers.

Method Summary

Modifier and Type	Method	Description
boolean	hasNext()	Check if there are any more values left.
long	next()	Return the next available value.
void	nextVector(org.apache.hadoop.hive.ql.exec.vector.ColumnVector column, int[] data, int length)	Return the next available vector for values.
void	nextVector(org.apache.hadoop.hive.ql.exec.vector.ColumnVector column, long[] data, int length)	Return the next available vector for values.
void	seek(PositionProvider index)	Seek to the position provided by index.
void	skip(long numValues)	Skip number of specified rows.

Method Details

seek

void seek(PositionProvider index)
   throws IOException

Seek to the position provided by index.

Parameters:

index -

Throws:

IOException

skip

void skip(long numValues)
   throws IOException

Skip number of specified rows.

Parameters:

numValues -

Throws:

IOException

hasNext

boolean hasNext()
         throws IOException

Check if there are any more values left.

Returns:

Throws:

IOException

next

long next()
   throws IOException

Return the next available value.

Returns:

Throws:

IOException

nextVector

void nextVector(org.apache.hadoop.hive.ql.exec.vector.ColumnVector column,
 long[] data,
 int length)
         throws IOException

Return the next available vector for values.

Parameters:

column - the column being read

data - the vector to read into

length - the number of numbers to read

Throws:

IOException

nextVector

void nextVector(org.apache.hadoop.hive.ql.exec.vector.ColumnVector column,
 int[] data,
 int length)
         throws IOException

Return the next available vector for values. Does not change the value of column.isRepeating.

Parameters:

column - the column being read

data - the vector to read into

length - the number of numbers to read

Throws:

IOException