uk.ac.starlink.ttools.join
Class MatchMapper

java.lang.Object
  extended by uk.ac.starlink.ttools.join.MatchMapper
All Implemented Interfaces:
TableMapper

public class MatchMapper
extends Object
implements TableMapper

TableMapper which implements multi-table crossmatches.

Since:
20 Nov 2007
Author:
Mark Taylor

Constructor Summary
MatchMapper()
          Constructor.
 
Method Summary
 TableMapping createMapping(Environment env, int nin)
          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

MatchMapper

public MatchMapper()
Constructor.

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 nin)
                           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
nin - number of input tables that the mapping will operate on if known; -1 if not
Throws:
TaskException


Copyright © 2015 Central Laboratory of the Research Councils. All Rights Reserved.