Package weka.core

Class Debug.SimpleLog

java.lang.Object
weka.core.Debug.SimpleLog
All Implemented Interfaces:
Serializable, RevisionHandler
Enclosing class:
Debug
public static class Debug.SimpleLog extends Object implements Serializable, RevisionHandler
A little, simple helper class for logging stuff. Uses simple file access and not the java.util.logging stuff (see Log for that). Uses the writeToFile methods of the Debug class.
See Also:

  • Constructor Summary

    Constructors
    Constructor
    Description
    SimpleLog()
    default constructor, uses only stdout
    SimpleLog(String filename)
    Creates a logger that writes into the specified file.
    SimpleLog(String filename, boolean append)
    Creates a logger that writes into the specified file.

  • Method Summary

    Modifier and Type
    Method
    Description
    String
    getFilename()
    returns the filename of the log, can be null
    String
    getRevision()
    Returns the revision string.
    void
    log(String message)
    logs the given message to the file
    void
    logSystemInfo()
    a convenience method for dumping the current system info in the log file
    String
    toString()
    returns a string representation of the logger

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • SimpleLog

      public SimpleLog()
      default constructor, uses only stdout

    • SimpleLog

      public SimpleLog(String filename)
      Creates a logger that writes into the specified file. Appends to the file by default.
      Parameters:
      filename - the file to write to, if null then only stdout is used

    • SimpleLog

      public SimpleLog(String filename, boolean append)
      Creates a logger that writes into the specified file. Appends to the file by default.
      Parameters:
      filename - the file to write to, if null then only stdout is used
      append - if false, the file will be deleted first

  • Method Details

    • getFilename

      public String getFilename()
      returns the filename of the log, can be null
      Returns:
      the filename of the log

    • log

      public void log(String message)
      logs the given message to the file
      Parameters:
      message - the message to log

    • logSystemInfo

      public void logSystemInfo()
      a convenience method for dumping the current system info in the log file
      See Also:

    • toString

      public String toString()
      returns a string representation of the logger
      Overrides:
      toString in class Object
      Returns:
      a string representation of the logger

    • getRevision

      public String getRevision()
      Returns the revision string.
      Specified by:
      getRevision in interface RevisionHandler
      Returns:
      the revision