Package elki.utilities

Class ELKIServiceScanner

  • public class ELKIServiceScanner
extends java.lang.Object
    A collection of inspection-related utility functions.
    Since:
    0.2
    Author:
    Erich Schubert

    • Field Summary

      Fields 
      Modifier and Type Field Description
      private static java.lang.ClassLoader CLASSLOADER
      Class loader
      static java.lang.String FACTORY_POSTFIX
      Factory class postfix.
      private static Logging LOG
      Class logger
      private static java.util.List<java.lang.Class<?>> MASTER_CACHE
      (Non-weak) cache for all "frequently scanned" classes.
      static java.util.Comparator<java.lang.Class<?>> SORT_BY_NAME
      Sort classes by their class name.
      static java.util.Comparator<java.lang.Class<?>> SORT_BY_PRIORITY
      Comparator to sort classes by priority, then alphabetic.

    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      private ELKIServiceScanner()
      Static methods only.

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      private static int classPriority​(java.lang.Class<?> o1)
      Get the priority of a class, or its outer class.
      private static int comparePackageClass​(java.lang.Class<?> o1, java.lang.Class<?> o2)
      Compare two classes, by package name first.
      private static java.util.List<java.lang.Class<?>> getMasterCache()
      Get or initialize the master cache, synchronizing only on initialization.
      private static java.util.List<java.lang.Class<?>> initialize()
      Perform a full (slow) scan for classes.
      static void load​(java.lang.Class<?> restrictionClass)
      Load classes via linear scanning.
      static java.util.Iterator<java.lang.Class<?>> nonindexedClasses()
      Get a list with all classes in the working folder (not including jars!)

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • LOG

        private static final Logging LOG
        Class logger

      • CLASSLOADER

        private static final java.lang.ClassLoader CLASSLOADER
        Class loader

      • FACTORY_POSTFIX

        public static final java.lang.String FACTORY_POSTFIX
        Factory class postfix.
        See Also:
        Constant Field Values

      • MASTER_CACHE

        private static java.util.List<java.lang.Class<?>> MASTER_CACHE
        (Non-weak) cache for all "frequently scanned" classes.

      • SORT_BY_NAME

        public static final java.util.Comparator<java.lang.Class<?>> SORT_BY_NAME
        Sort classes by their class name. Package first, then class.

      • SORT_BY_PRIORITY

        public static final java.util.Comparator<java.lang.Class<?>> SORT_BY_PRIORITY
        Comparator to sort classes by priority, then alphabetic.

    • Constructor Detail

      • ELKIServiceScanner

        private ELKIServiceScanner()
        Static methods only.

    • Method Detail

      • load

        public static void load​(java.lang.Class<?> restrictionClass)
        Load classes via linear scanning.
        Parameters:
        restrictionClass - Class to find subclasses for.

      • nonindexedClasses

        public static java.util.Iterator<java.lang.Class<?>> nonindexedClasses()
        Get a list with all classes in the working folder (not including jars!)
        Returns:
        Classes.

      • getMasterCache

        private static java.util.List<java.lang.Class<?>> getMasterCache()
        Get or initialize the master cache, synchronizing only on initialization.
        Returns:
        Master cache

      • initialize

        private static java.util.List<java.lang.Class<?>> initialize()
        Perform a full (slow) scan for classes.
        Returns:
        Master cache

      • comparePackageClass

        private static int comparePackageClass​(java.lang.Class<?> o1,
                                       java.lang.Class<?> o2)
        Compare two classes, by package name first.
        Parameters:
        o1 - First class
        o2 - Second class
        Returns:
        Comparison result

      • classPriority

        private static int classPriority​(java.lang.Class<?> o1)
        Get the priority of a class, or its outer class.
        Parameters:
        o1 - Class
        Returns:
        Priority