Package org.apache.dubbo.common.extension

Class ExtensionDirector

java.lang.Object

org.apache.dubbo.common.extension.ExtensionDirector

All Implemented Interfaces:

ExtensionAccessor

public class ExtensionDirector
extends Object
implements ExtensionAccessor

ExtensionDirector is a scoped extension loader manager.

ExtensionDirector supports multiple levels, and the child can inherit the parent's extension instances.

The way to find and create an extension instance is similar to Java classloader.

Constructor Summary

Constructors

Constructor	Description
ExtensionDirector(ExtensionDirector parent, ExtensionScope scope, ScopeModel scopeModel)

Method Summary

Modifier and Type	Method	Description
void	addExtensionPostProcessor(ExtensionPostProcessor processor)
void	destroy()
ExtensionDirector	getExtensionDirector()
<T> ExtensionLoader<T>	getExtensionLoader(Class<T> type)
List<ExtensionPostProcessor>	getExtensionPostProcessors()
ExtensionDirector	getParent()
void	removeAllCachedLoader()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.dubbo.common.extension.ExtensionAccessor

getActivateExtensions, getAdaptiveExtension, getDefaultExtension, getExtension, getFirstActivateExtension, getSupportedExtensions

Constructor Details

ExtensionDirector

public ExtensionDirector(ExtensionDirector parent,
 ExtensionScope scope,
 ScopeModel scopeModel)

Method Details

addExtensionPostProcessor

public void addExtensionPostProcessor(ExtensionPostProcessor processor)

getExtensionPostProcessors

public List<ExtensionPostProcessor> getExtensionPostProcessors()

getExtensionDirector

public ExtensionDirector getExtensionDirector()

Specified by:

getExtensionDirector in interface ExtensionAccessor

getExtensionLoader

public <T> ExtensionLoader<T> getExtensionLoader(Class<T> type)

Specified by:

getExtensionLoader in interface ExtensionAccessor

getParent

public ExtensionDirector getParent()

removeAllCachedLoader

public void removeAllCachedLoader()

destroy

public void destroy()