ExtensionProvider (Oracle Fusion Middleware Java API Reference for Oracle Extension SDK)

Constructors
Constructor and Description
`ExtensionProvider()`

Methods
Modifier and Type	Method and Description
`void`	`addExtensionProviderListener(ExtensionProviderListener<T> listener)`
`protected abstract T`	`createExtensionInfo(HashStructure hash)`
`java.util.List<T>`	`getDescriptors()`
`protected abstract java.lang.String`	`getElementName()`
`protected abstract java.util.List<HashStructureHook>`	`getProviderHooks()`
`protected void`	`initializeIfNeeded()`
`protected void`	`invalidateCache()` Invoked when new extensions are brought on-line.
`void`	`removeExtensionProviderListener(ExtensionProviderListener<T> listener)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

protected abstract java.lang.String getElementName()

protected abstract java.util.List<HashStructureHook> getProviderHooks()

protected abstract T createExtensionInfo(HashStructure hash)

public java.util.List<T> getDescriptors()

public void addExtensionProviderListener(ExtensionProviderListener<T> listener)

public void removeExtensionProviderListener(ExtensionProviderListener<T> listener)

invalidateCache
```
protected void invalidateCache()
```
Invoked when new extensions are brought on-line. Sub-classes should use this method to clear any locally maintained caches

Class ExtensionProvider<T extends ExtensionInfo>