weka.knowledgeflow

Interface FlowLoader

All Known Implementing Classes:

JSONFlowLoader, LegacyFlowLoader

public interface FlowLoader

Interface to something that can load a Knowledge Flow

Version:

$Revision: $

Author:

Mark Hall (mhall{[at]}pentaho{[dot]}com)

Method Summary

Modifier and Type	Method and Description
java.lang.String	getFlowFileExtension() Get the extension of the Knowledge Flow file format handled by this loader
java.lang.String	getFlowFileExtensionDescription() Get a description of the flow file format handled by this loader
Flow	readFlow(java.io.File flowFile) Load a flow from the supplied file
Flow	readFlow(java.io.InputStream is) Load a flow from the supplied input stream
Flow	readFlow(java.io.Reader r) Load a flow from the supplied reader
void	setLog(Logger log) Set a log to use

Method Detail

setLog

void setLog(Logger log)

Set a log to use

Parameters:

log - log to use

getFlowFileExtension

java.lang.String getFlowFileExtension()

Get the extension of the Knowledge Flow file format handled by this loader

Returns:

the flow file extension

getFlowFileExtensionDescription

java.lang.String getFlowFileExtensionDescription()

Get a description of the flow file format handled by this loader

Returns:

a description of the file format handles

readFlow

Flow readFlow(java.io.File flowFile)
       throws WekaException

Load a flow from the supplied file

Parameters:

flowFile - the file to load from

Returns:

the loaded Flow

Throws:

WekaException - if a problem occurs

readFlow

Flow readFlow(java.io.InputStream is)
       throws WekaException

Load a flow from the supplied input stream

Parameters:

is - the input stream to load from

Returns:

the loaded Flow

Throws:

WekaException - if a problem occurs

readFlow

Flow readFlow(java.io.Reader r)
       throws WekaException

Load a flow from the supplied reader

Parameters:

r - the reader to load from

Returns:

the loaded Flow

Throws:

WekaException - if a problem occurs