Package org.eclipse.osgi.container

Class ModuleLoader

java.lang.Object

org.eclipse.osgi.container.ModuleLoader

public abstract class ModuleLoader
extends Object

A module loader is what connects a ModuleWiring to a real classloader.

Since:

3.10

Constructor Summary

Constructors

Constructor	Description
ModuleLoader()

Method Summary

Modifier and Type	Method	Description
protected abstract List<URL>	findEntries(String path, String filePattern, int options)	Returns entries in wiring this module loader is associated with.
protected abstract boolean	getAndSetTrigger()	Is called by Module.start(Module.StartOptions...) when using the Module.StartOptions.LAZY_TRIGGER option is used.
protected abstract ClassLoader	getClassLoader()	Returns the class loader for this module loader.
abstract boolean	isTriggerSet()	Returns true if the lazy trigger is set for this module loader
protected abstract Collection<String>	listResources(String path, String filePattern, int options)
protected abstract void	loadFragments(Collection<ModuleRevision> fragments)	Dynamically loads fragment revisions to this already resolved module loader.

Methods inherited from class java.lang.Object

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

Constructor Details

ModuleLoader

public ModuleLoader()

Method Details

findEntries

protected abstract List<URL> findEntries(String path,
 String filePattern,
 int options)

Returns entries in wiring this module loader is associated with.

Parameters:

path - The path name in which to look.

filePattern - The file name pattern for selecting entries in the specified path

options - The options for listing resource names.

Returns:

An unmodifiable list of URL objects for each matching entry, or an empty list if no matching entry could be found

See Also:

• ModuleWiring.findEntries(String, String, int)

listResources

protected abstract Collection<String> listResources(String path,
 String filePattern,
 int options)

Returns:

TODO

See Also:

• ModuleWiring.listResources(String, String, int)

getClassLoader

protected abstract ClassLoader getClassLoader()

Returns the class loader for this module loader. A null value will be returned if this module loader is for a fragment.

Returns:

The class loader for this module loader.

See Also:

• ModuleWiring.getClassLoader()

getAndSetTrigger

protected abstract boolean getAndSetTrigger()

Is called by Module.start(Module.StartOptions...) when using the Module.StartOptions.LAZY_TRIGGER option is used.

Returns:

false if the trigger was not previously set; otherwise true is returned

isTriggerSet

public abstract boolean isTriggerSet()

Returns true if the lazy trigger is set for this module loader

Returns:

true if the lazy trigger is set for this module loader

loadFragments

protected abstract void loadFragments(Collection<ModuleRevision> fragments)

Dynamically loads fragment revisions to this already resolved module loader.

Parameters:

fragments - the fragments to load