org.apache.lens.client.resultset

Interface ResultSet

All Known Implementing Classes:

AbstractResultSet, CsvResultSet, ZippedCsvResultSet

public interface ResultSet

This interface represents the query ResultSet that the clients can iterate over

Method Summary

Methods

Modifier and Type	Method and Description
String[]	getColumnNames() Returns the column names for this result set if available otherwise null is returned
String[]	getRow()
boolean	next() Returns true if next row is present in result set and moves the cursor to that row.

Method Detail

next

boolean next()
             throws LensClientIOException

Returns true if next row is present in result set and moves the cursor to that row.

Throws:

LensClientIOException

getRow

String[] getRow()
                throws LensClientIOException

Returns:

column values for the current row

Throws:

LensClientIOException

getColumnNames

String[] getColumnNames()
                        throws LensClientIOException

Returns the column names for this result set if available otherwise null is returned

Throws:

LensClientIOException