Class DaemonLoader

java.lang.Object
org.apache.commons.daemon.support.DaemonLoader
public final class DaemonLoader extends Object
Used by jsvc for Daemon management.

  • Nested Class Summary

    Nested Classes
    Modifier and Type
    Class
    Description
    static class 
    DaemonLoader.Context
    A concrete DaemonContext that acts as a simple value container.
    static class 
    DaemonLoader.Controller
    A DaemonController that acts on the the global DaemonLoader state.

  • Constructor Summary

    Constructors
    Constructor
    Description
    DaemonLoader()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static boolean
    check(String className)
    Checks whether the given class name can be instantiated with a zero-argument constructor.
    static boolean
    destroy()
    Invokes the wrapped destroy method.
    static boolean
    load(String className, String[] args)
    Loads the given class by name, initializing wrapper methods.
    static boolean
    signal()
    Invokes the wrapped signal method.
    static boolean
    start()
    Invokes the wrapped start method.
    static boolean
    stop()
    Invokes the wrapped stop method.
    static void
    version()
    Prints version information to System.err.

    Methods inherited from class Object

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

  • Constructor Details

    • DaemonLoader

      public DaemonLoader()

  • Method Details

    • version

      public static void version()
      Prints version information to System.err.

    • check

      public static boolean check(String className)
      Checks whether the given class name can be instantiated with a zero-argument constructor.
      Parameters:
      className - The class name.
      Returns:
      true if the given class name can be instantiated, false otherwise.

    • signal

      public static boolean signal()
      Invokes the wrapped signal method.
      Returns:
      whether the call succeeded.

    • load

      public static boolean load(String className, String[] args)
      Loads the given class by name, initializing wrapper methods.
      Parameters:
      className - The class name to load.
      args - arguments for the context.
      Returns:
      whether the operation succeeded.

    • start

      public static boolean start()
      Invokes the wrapped start method.
      Returns:
      whether the call succeeded.

    • stop

      public static boolean stop()
      Invokes the wrapped stop method.
      Returns:
      whether the call succeeded.

    • destroy

      public static boolean destroy()
      Invokes the wrapped destroy method.
      Returns:
      whether the call succeeded.