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## weka.core
Class Debug.SimpleLog

    java.lang.Object
      weka.core.Debug.SimpleLog

All Implemented Interfaces:
  java.io.Serializable, RevisionHandler

Enclosing class:
  Debug

    public static class Debug.SimpleLog

extends java.lang.Object
implements java.io.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:
  `Debug.Log`, `Debug.writeToFile(String, String)`, `Debug.writeToFile(String, String, boolean)`, Serialized Form

Constructor Summary
`Debug.SimpleLog()` default constructor, uses only stdout
`Debug.SimpleLog(java.lang.String filename)` Creates a logger that writes into the specified file.
`Debug.SimpleLog(java.lang.String filename, boolean append)` Creates a logger that writes into the specified file.

Method Summary
`java.lang.String` | `getFilename()` returns the filename of the log, can be null
`java.lang.String` | `getRevision()` Returns the revision string.
`void` | `log(java.lang.String message)` logs the given message to the file
`void` | `logSystemInfo()` a convenience method for dumping the current system info in the log file
`java.lang.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 Detail

### Debug.SimpleLog

    public Debug.SimpleLog()

  default constructor, uses only stdout

### Debug.SimpleLog

    public Debug.SimpleLog(java.lang.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

### Debug.SimpleLog

    public Debug.SimpleLog(java.lang.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 Detail

### getFilename

    public java.lang.String getFilename()

  returns the filename of the log, can be null

  Returns:
    the filename of the log

### log

    public void log(java.lang.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:
    `SystemInfo`

### toString

    public java.lang.String toString()

  returns a string representation of the logger

  Overrides:
    `toString` in class `java.lang.Object`
  Returns:
    a string representation of the logger

### getRevision

    public java.lang.String getRevision()

  Returns the revision string.

  Specified by:
    `getRevision` in interface `RevisionHandler`
  Returns:
    the revision

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