de.schwarzrot.data.access
Interface Importer

All Known Implementing Classes:

XMLImporter

public interface Importer

interface to implement import functionality. An Importer, as well as an Exporter should be able to handle transformation of several entities with all relations and handling of different key sequences.

Author:

Reinhard Mantey

Method Summary

Object	performImport(File source) imports entity instances from given file
Object	performImport(String source) reads import data from given string
void	setEntityDescriptorAccessor(EntityDescriptorAccessor eda) injection method: sets the description accessor to access EntityDescriptions

Method Detail

performImport

Object performImport(File source)
                     throws Exception

imports entity instances from given file

Parameters:

source - - the file to import

Returns:

- the imported Object

Throws:

Exception - - depends on implementation

performImport

Object performImport(String source)
                     throws Exception

reads import data from given string

Parameters:

source - - the data to import

Returns:

- the imported Object

Throws:

Exception - - depends on implementation

setEntityDescriptorAccessor

void setEntityDescriptorAccessor(EntityDescriptorAccessor eda)

injection method: sets the description accessor to access EntityDescriptions

Parameters:

eda - - the accessor to use