weka.knowledgeflow

Class LegacyFlowLoader

java.lang.Object

weka.knowledgeflow.LegacyFlowLoader

All Implemented Interfaces:

FlowLoader

public class LegacyFlowLoader
extends Object
implements FlowLoader

Flow loader that reads legacy .kfml files and translates them to the new implementation.

Version:

$Revision: $

Author:

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

Field Summary

Fields

Modifier and Type	Field and Description
static String	EXTENSION File extension for the format handled by this flow loader

Constructor Summary

Constructors

Constructor and Description
LegacyFlowLoader() Constructor

Method Summary

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

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

EXTENSION

public static final String EXTENSION

File extension for the format handled by this flow loader

See Also:

Constant Field Values

Constructor Detail

LegacyFlowLoader

public LegacyFlowLoader()

Constructor

Method Detail

setLog

public void setLog(Logger log)

Set the log to use

Specified by:

setLog in interface FlowLoader

Parameters:

log - log to use

getFlowFileExtension

public String getFlowFileExtension()

Get the flow file extension of the file format handled by this flow loader

Specified by:

getFlowFileExtension in interface FlowLoader

Returns:

the file extension

getFlowFileExtensionDescription

public String getFlowFileExtensionDescription()

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

Specified by:

getFlowFileExtensionDescription in interface FlowLoader

Returns:

the description of the file format

readFlow

public Flow readFlow(File flowFile)
              throws WekaException

Deserialize a legacy flow from the supplied file

Specified by:

readFlow in interface FlowLoader

Parameters:

flowFile - the file to load from

Returns:

the legacy flow translated to a new Flow object

Throws:

WekaException - if a problem occurs

readFlow

public Flow readFlow(InputStream is)
              throws WekaException

Deserialize a legacy flow from the supplied input stream

Specified by:

readFlow in interface FlowLoader

Parameters:

is - the input stream to load from

Returns:

the legacy flow translated to a new Flow object

Throws:

WekaException - if a problem occurs

readFlow

public Flow readFlow(Reader r)
              throws WekaException

Deserialize a legacy flow from the supplied reader

Specified by:

readFlow in interface FlowLoader

Parameters:

r - the reader to load from

Returns:

the legacy flow translated to a new Flow object

Throws:

WekaException - if a problem occurs