jpel.util.dataholder
Interface DataHolderExtractor

All Superinterfaces:

GenericTool

All Known Implementing Classes:

DataHolderDeclaration

public interface DataHolderExtractor

extends GenericTool

A partir de uma fonte de dados determina se existem outras fontes que podem ser derivadas a partir dela.

Method Summary

java.util.List

extract(jpel.util.dataholder.DataHolder holder) Produces a list of data sources derived from the given source.

Methods inherited from interface jpel.util.GenericTool

getDescription, getTypes

Method Detail

extract

public java.util.List extract(jpel.util.dataholder.DataHolder holder)
                       throws DataHolderException

Produces a list of data sources derived from the given source.

Parameters:

holder - The source

Returns:

A List of DataHolder objects.

Throws:

DataHolderException - When there is a problem to find the DataHolders derived from the given source.