Package weka.knowledgeflow

Class LegacyFlowLoader

  • All Implemented Interfaces:
    FlowLoader
    public class LegacyFlowLoader
extends java.lang.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 Description
      static java.lang.String EXTENSION
      File extension for the format handled by this flow loader

    • Constructor Summary

      Constructors 
      Constructor Description
      LegacyFlowLoader()
      Constructor

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.lang.String getFlowFileExtension()
      Get the flow file extension of the file format handled by this flow loader
      java.lang.String getFlowFileExtensionDescription()
      Get the description of the file format handled by this flow loader
      Flow readFlow​(java.io.File flowFile)
      Deserialize a legacy flow from the supplied file
      Flow readFlow​(java.io.InputStream is)
      Deserialize a legacy flow from the supplied input stream
      Flow readFlow​(java.io.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 java.lang.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 java.lang.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 java.lang.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​(java.io.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​(java.io.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​(java.io.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