ucar.nc2.ft.point.standard
Class JoinParentIndex

java.lang.Object
  ucar.nc2.ft.point.standard.JoinParentIndex

All Implemented Interfaces:

Join

public class JoinParentIndex
extends Object
implements Join

Join data from a row of a Structure, whose index is passed in as the value of a member variable of the leaf StructureData (cursor.table[0]).

Since:

Jan 22, 2009

Author:

caron

Constructor Summary

JoinParentIndex(StructureDS parentStructure, String parentIndex)
Constructor.

Method Summary

VariableDS	findVariable(String axisName) Find the Variable of the given name in the joined table.
StructureData	getJoinData(Cursor cursor) Get 'join' data to be added to the row.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

JoinParentIndex

public JoinParentIndex(StructureDS parentStructure,
                       String parentIndex)

Constructor.

Parameters:

parentStructure - get data from this Structure

parentIndex - name of member variable in leaf StructureData

Method Detail

getJoinData

public StructureData getJoinData(Cursor cursor)

Description copied from interface: Join

Get 'join' data to be added to the row.

Specified by:

getJoinData in interface Join

Parameters:

cursor - the state of the iteration

Returns:

extra data to be added to the row

findVariable

public VariableDS findVariable(String axisName)

Description copied from interface: Join

Find the Variable of the given name in the joined table.

Specified by:

findVariable in interface Join

Parameters:

axisName - find this Variable

Returns:

the named Variable, or null

toString

public String toString()

Overrides:

toString in class Object