de.lmu.ifi.dbs.elki.utilities

Class ELKIServiceScanner

java.lang.Object

de.lmu.ifi.dbs.elki.utilities.ELKIServiceScanner

public class ELKIServiceScanner
extends java.lang.Object

A collection of inspection-related utility functions.

Since:

0.2

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	ELKIServiceScanner.DirClassIterator Class to iterate over a directory tree.

Field Summary

Fields

Modifier and Type	Field and 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 and Description
private	ELKIServiceScanner() Static methods only.

Method Summary

Modifier and Type	Method and 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 void	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 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.

initialize

private static void initialize()

Perform a full (slow) scan for classes.

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