Package com.attivio.util

Class Tailer

  • All Implemented Interfaces:
    java.lang.Runnable
    public class Tailer
extends java.lang.Object
implements java.lang.Runnable
    Version of Tailer that lets you set the start position

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description
      static interface  Tailer.TailerListener  

    • Constructor Summary

      Constructors 
      Constructor Description
      Tailer​(java.io.File file, Tailer.TailerListener listener)
      Creates a Tailer for the given file, starting from the beginning, with the default delay of 1.0s.
      Tailer​(java.io.File file, Tailer.TailerListener listener, long delay)
      Creates a Tailer for the given file, starting from the beginning.
      Tailer​(java.io.File file, Tailer.TailerListener listener, long delay, long position)
      Creates a Tailer for the given file, with a delay other than the default 1.0s.

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      static Tailer create​(java.io.File file, Tailer.TailerListener listener)
      Creates and starts a Tailer for the given file, starting at the beginning of the file with the default delay of 1.0s
      static Tailer create​(java.io.File file, Tailer.TailerListener listener, long delay)
      Creates and starts a Tailer for the given file, starting at the beginning of the file
      static Tailer create​(java.io.File file, Tailer.TailerListener listener, long delay, long startingPosition)
      Creates and starts a Tailer for the given file.
      long getDelay()
      Return the delay.
      java.io.File getFile()
      Return the file.
      void run()
      Follows changes in the file, calling the TailerListener's handle method for each new line.
      void stop()
      Allows the tailer to complete its current loop and return.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • Tailer

        public Tailer​(java.io.File file,
              Tailer.TailerListener listener)
        Creates a Tailer for the given file, starting from the beginning, with the default delay of 1.0s.
        Parameters:
        file - The file to follow.
        listener - the TailerListener to use.

      • Tailer

        public Tailer​(java.io.File file,
              Tailer.TailerListener listener,
              long delay)
        Creates a Tailer for the given file, starting from the beginning.
        Parameters:
        file - the file to follow.
        listener - the TailerListener to use.
        delay - the delay between checks of the file for new content in milliseconds.

      • Tailer

        public Tailer​(java.io.File file,
              Tailer.TailerListener listener,
              long delay,
              long position)
        Creates a Tailer for the given file, with a delay other than the default 1.0s.
        Parameters:
        file - the file to follow.
        listener - the TailerListener to use.
        delay - the delay between checks of the file for new content in milliseconds.
        position - Set to true to tail from the end of the file, false to tail from the beginning of the file.

    • Method Detail

      • create

        public static Tailer create​(java.io.File file,
                            Tailer.TailerListener listener,
                            long delay,
                            long startingPosition)
        Creates and starts a Tailer for the given file.
        Parameters:
        file - the file to follow.
        listener - the TailerListener to use.
        delay - the delay between checks of the file for new content in milliseconds.
        startingPosition - set to Long.MAX_VALUE to start at the end
        Returns:
        The new tailer

      • create

        public static Tailer create​(java.io.File file,
                            Tailer.TailerListener listener,
                            long delay)
        Creates and starts a Tailer for the given file, starting at the beginning of the file
        Parameters:
        file - the file to follow.
        listener - the TailerListener to use.
        delay - the delay between checks of the file for new content in milliseconds.
        Returns:
        The new tailer

      • create

        public static Tailer create​(java.io.File file,
                            Tailer.TailerListener listener)
        Creates and starts a Tailer for the given file, starting at the beginning of the file with the default delay of 1.0s
        Parameters:
        file - the file to follow.
        listener - the TailerListener to use.
        Returns:
        The new tailer

      • getFile

        public java.io.File getFile()
        Return the file.
        Returns:
        the file

      • getDelay

        public long getDelay()
        Return the delay.
        Returns:
        the delay

      • run

        public void run()
        Follows changes in the file, calling the TailerListener's handle method for each new line.
        Specified by:
        run in interface java.lang.Runnable

      • stop

        public void stop()
        Allows the tailer to complete its current loop and return.