org.apache.hawq.pxf.plugins.hbase.utilities

Class HBaseTupleDescription

java.lang.Object

org.apache.hawq.pxf.plugins.hbase.utilities.HBaseTupleDescription

public class HBaseTupleDescription
extends java.lang.Object

The class extends the tuple description provided by InputData for usage of HBaseColumnDescriptor.

This class also loads lookup table sent (optionally) by the fragmenter.

Constructor Summary

Constructors

Constructor and Description
HBaseTupleDescription(InputData conf) Constructs tuple description of the HBase table.

Method Summary

Modifier and Type	Method and Description
int	columns() Returns the number of fields.
HBaseColumnDescriptor	getColumn(int index) Returns the column description of index column.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HBaseTupleDescription

public HBaseTupleDescription(InputData conf)

Constructs tuple description of the HBase table.

Parameters:

conf - data containing table tuple description

Method Detail

columns

public int columns()

Returns the number of fields.

Returns:

number of fields

getColumn

public HBaseColumnDescriptor getColumn(int index)

Returns the column description of index column.

Parameters:

index - column index to be returned

Returns:

column description