uk.ac.starlink.ttools.task

Class TapMapper

java.lang.Object

uk.ac.starlink.ttools.task.TapMapper

All Implemented Interfaces:

TableMapper

public class TapMapper
extends Object
implements TableMapper

Mapper that does the work for TapQuerier.

Since:

21 Feb 2011

Author:

Mark Taylor

Constructor Summary

Constructors

Constructor and Description
TapMapper()

Method Summary

Modifier and Type	Method and Description
TableMapping	createMapping(Environment env, int nup) Creates a new mapping object, using a given execution environment for any additional required state.
Parameter<?>[]	getParameters() Returns the parameters defined by this mapper.

Methods inherited from class java.lang.Object

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

Constructor Detail

TapMapper

public TapMapper()

Method Detail

getParameters

public Parameter<?>[] getParameters()

Description copied from interface: TableMapper

Returns the parameters defined by this mapper.

Specified by:

getParameters in interface TableMapper

Returns:

parameter array

createMapping

public TableMapping createMapping(Environment env,
                                  int nup)
                           throws TaskException

Description copied from interface: TableMapper

Creates a new mapping object, using a given execution environment for any additional required state.

Specified by:

createMapping in interface TableMapper

Parameters:

env - execution environment

nup - number of input tables that the mapping will operate on if known; -1 if not

Throws:

TaskException