org.diet4j.core

Class ScanningClasspathModuleRegistry

java.lang.Object

org.diet4j.core.ModuleRegistry

org.diet4j.core.AbstractModuleRegistry

org.diet4j.core.AbstractScanningModuleRegistry

org.diet4j.core.ScanningClasspathModuleRegistry

public class ScanningClasspathModuleRegistry
extends AbstractScanningModuleRegistry

A (mock) ModuleRegistry that can be used when all Modules are on the class path, but they still need to be activated/deactivated.

Field Summary

Fields inherited from class org.diet4j.core.AbstractScanningModuleRegistry

ACTIVATION_CLASS_PROPERTY, theMetas

Fields inherited from class org.diet4j.core.AbstractModuleRegistry

DEFAULT_DO_NOT_LOAD_CLASS_PREFIXES, RESOLVE_LOCK, theDoNotLoadClassPrefixes

Fields inherited from class org.diet4j.core.ModuleRegistry

theSingleton

Method Summary

Modifier and Type	Method and Description
ClassLoader	createClassLoader(Module module, ClassLoader parentClassLoader) ModuleRegistry also acts as a factory for the Modules' ClassLoaders.
protected static HashMap<String,MiniModuleMetaMap>	findModuleMetas(ClassLoader cl) Find the ModuleMetas available to this ClassLoader.
static ScanningClasspathModuleRegistry	instantiate() Instantiate ScanningClasspathModuleRegistry as the singleton ModuleRegistry

Methods inherited from class org.diet4j.core.AbstractScanningModuleRegistry

addModuleMeta, addParsedModuleMetasFromDirectories, addParsedModuleMetasFromJars, determineResolutionCandidates, nameSet, nameSet, parseMetadataFiles, replaceProperties, rpmvercmp

Methods inherited from class org.diet4j.core.AbstractModuleRegistry

addModuleRegistryListener, determineRuntimeDependencies, determineRuntimeUses, determineSingleResolutionCandidate, fireModuleAddedEvent, getResolutionOf, removeModuleRegistryListener, resolve, resolve, toString

Methods inherited from class org.diet4j.core.ModuleRegistry

getSingleton

Methods inherited from class java.lang.Object

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

Method Detail

instantiate

public static ScanningClasspathModuleRegistry instantiate()
                                                   throws IllegalStateException,
                                                          IOException

Instantiate ScanningClasspathModuleRegistry as the singleton ModuleRegistry

Returns:

the singleton instance

Throws:

IllegalStateException - thrown if there is already a singleton instance

IOException - reading files failed

createClassLoader

public ClassLoader createClassLoader(Module module,
                                     ClassLoader parentClassLoader)

ModuleRegistry also acts as a factory for the Modules' ClassLoaders. Here, all Modules share the same ClassLoaders.

Overrides:

createClassLoader in class AbstractModuleRegistry

Parameters:

module - the Module for which to create a ClassLoader

parentClassLoader - the ClassLoader to use as the parent ClassLoader

Returns:

the ClassLoader to use with the Module

findModuleMetas

protected static HashMap<String,MiniModuleMetaMap> findModuleMetas(ClassLoader cl)
                                                            throws IOException

Find the ModuleMetas available to this ClassLoader.

Parameters:

cl - the class loader

Returns:

the found ModuleMetas, keyed by module name, and ordered by version

Throws:

IOException - reading files failed