TableMapper (Starjava TTOOLS API)

All Known Implementing Classes:: CatMapper, ColumnSelectionMapper, JoinMapper, Match2Mapper, MatchMapper, SkyMatch2Mapper, TapMapper

public interface TableMapper

Interface for an operation which takes zero or more tables as input and produces one table as output.

Since:: 9 Aug 2005
Author:: Mark Taylor

Method Summary

Modifier and Type

Method

Description

TableMapping

createMapping(uk.ac.starlink.task.Environment env, int nin)

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

uk.ac.starlink.task.Parameter<?>[]

getParameters()

Returns the parameters defined by this mapper.

Method Details
- getParameters
  
  uk.ac.starlink.task.Parameter<?>[] getParameters()
  
  Returns the parameters defined by this mapper.
  
  Returns:
  
  parameter array
- createMapping
  
  TableMapping createMapping(uk.ac.starlink.task.Environment env, int nin) throws uk.ac.starlink.task.TaskException
  
  Creates a new mapping object, using a given execution environment for any additional required state.
  
  Parameters:
  
  env - execution environment
  
  nin - number of input tables that the mapping will operate on if known; -1 if not
  
  Throws:
  
  uk.ac.starlink.task.TaskException