MetadataBundleListener (Apache jclouds 2.0.0 API)

java.lang.Object
- org.jclouds.osgi.MetadataBundleListener

All Implemented Interfaces:

EventListener, org.osgi.framework.BundleListener
```
public class MetadataBundleListener
extends Object
implements org.osgi.framework.BundleListener
```
A BundleListener that listens for BundleEvent and searches for ProviderMetadata and ApiMetadata in newly installed Bundles. This is used as a workaround for OSGi environments where the ServiceLoader cannot cross bundle boundaries.

Constructor Summary

Constructors
Constructor and Description

MetadataBundleListener()

Constructors
Constructor and Description
`MetadataBundleListener()`

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`addApiListenerListener(ApiListener listener)` Adds a `ApiListener` and notifies it of existing `ApiMetadata`.
`void`	`addProviderListener(ProviderListener listener)` Adds a `ProviderListener` and notifies it of existing `ProviderMetadata`.
`void`	`bundleChanged(org.osgi.framework.BundleEvent event)`
`Iterable<ApiMetadata>`	`listApiMetadata(org.osgi.framework.Bundle bundle)` Creates an instance of `ApiMetadata` from the `Bundle`.
`Iterable<ProviderMetadata>`	`listProviderMetadata(org.osgi.framework.Bundle bundle)` Creates an instance of `ProviderMetadata` from the `Bundle`.
`void`	`removeApiListenerListener(ApiListener listener)` Removes the `ApiListener`
`void`	`removeProviderListener(ProviderListener listener)` Removes the `ProviderListener`
`void`	`start(org.osgi.framework.BundleContext bundleContext)` Starts the listener.
`void`	`stop(org.osgi.framework.BundleContext bundleContext)` Stops the listener.

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

- Constructor Detail
  - MetadataBundleListener
```
public MetadataBundleListener()
```
- Method Detail
  - start
```
public void start(org.osgi.framework.BundleContext bundleContext)
```
    Starts the listener. Checks the bundles that are already active and registers ProviderMetadata and ApiMetadata found. Registers the itself as a BundleListener.
    
    Parameters:
    bundleContext -
  - stop
```
public void stop(org.osgi.framework.BundleContext bundleContext)
```
    Stops the listener. Removes itself from the BundleListeners. Clears metadata maps and listeners lists.
    
    Parameters:
    bundleContext -
  - bundleChanged
```
public void bundleChanged(org.osgi.framework.BundleEvent event)
```
    Specified by:
    
    bundleChanged in interface org.osgi.framework.BundleListener
  - listProviderMetadata
```
public Iterable<ProviderMetadata> listProviderMetadata(org.osgi.framework.Bundle bundle)
```
    Creates an instance of ProviderMetadata from the Bundle.
    
    Parameters:
    bundle -
    
    Returns:
  - listApiMetadata
```
public Iterable<ApiMetadata> listApiMetadata(org.osgi.framework.Bundle bundle)
```
    Creates an instance of ApiMetadata from the Bundle.
    
    Parameters:
    bundle -
    
    Returns:
  - addProviderListener
```
public void addProviderListener(ProviderListener listener)
```
    Adds a ProviderListener and notifies it of existing ProviderMetadata.
    
    Parameters:
    listener - The listener.
  - removeProviderListener
```
public void removeProviderListener(ProviderListener listener)
```
    Removes the ProviderListener
    
    Parameters:
    listener - The listener
  - addApiListenerListener
```
public void addApiListenerListener(ApiListener listener)
```
    Adds a ApiListener and notifies it of existing ApiMetadata.
    
    Parameters:
    listener -
  - removeApiListenerListener
```
public void removeApiListenerListener(ApiListener listener)
```
    Removes the ApiListener
    
    Parameters:
    listener -

Class MetadataBundleListener

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

MetadataBundleListener

Method Detail

start

stop

bundleChanged

listProviderMetadata

listApiMetadata

addProviderListener

removeProviderListener

addApiListenerListener

removeApiListenerListener