org.apache.tuscany.sca.implementation.osgi.runtime
Class OSGiImplementationProvider

java.lang.Object
  org.apache.tuscany.sca.implementation.osgi.runtime.OSGiImplementationProvider

All Implemented Interfaces:

ScopedImplementationProvider, ImplementationProvider

public class OSGiImplementationProvider
extends java.lang.Object
implements ScopedImplementationProvider

The runtime instantiation of OSGi component implementations

Constructor Summary

OSGiImplementationProvider(RuntimeComponent definition, OSGiImplementation impl, DataBindingExtensionPoint dataBindingRegistry, JavaPropertyValueObjectFactory propertyValueFactory, ProxyFactory proxyFactory, ScopeRegistry scopeRegistry, RequestContextFactory requestContextFactory, MessageFactory messageFactory, InterfaceContractMapper mapper)

Method Summary

void	bundleChanged(BundleEvent event)
InstanceWrapper<?>	createInstanceWrapper() Create a wrapper for the component instance for the scope management
Invoker	createInvoker(RuntimeComponentService service, Operation operation) Create an invoker for the component implementation in the invocation chain.
Invoker	createTargetInvoker(RuntimeComponentService service, Operation operation)
void	frameworkEvent(FrameworkEvent event)
protected OSGiImplementationImpl	getImplementation()
long	getMaxAge()
long	getMaxIdleTime()
protected org.osgi.framework.ServiceReference	getOSGiServiceReference(ComponentService service)
protected org.osgi.framework.ServiceReference	getOSGiServiceReference(EndpointReference from, Interface callbackInterface)
protected RuntimeComponent	getRuntimeComponent()
Scope	getScope() Get the scope for the component implementation
protected ScopeContainer<?>	getScopeContainer()
protected Bundle	installDummyBundleWithoutFragments(java.lang.Class<?> interfaceClass)
boolean	isEagerInit() Indicate if the component needs to be eagerly initialized
boolean	isOptimizable()
void	processAnnotations(boolean doWait)
void	start() This method will be invoked when the component implementation is activated.
protected Bundle	startBundle(boolean doWait)
void	stop() This method will be invoked when the component implementation is deactivated.
boolean	supportsOneWayInvocation() For bindings that invoke one-way callback operations asynchronously, there is no need to perform a thread switch before calling the invoker.

Methods inherited from class java.lang.Object

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

Constructor Detail

OSGiImplementationProvider

public OSGiImplementationProvider(RuntimeComponent definition,
                                  OSGiImplementation impl,
                                  DataBindingExtensionPoint dataBindingRegistry,
                                  JavaPropertyValueObjectFactory propertyValueFactory,
                                  ProxyFactory proxyFactory,
                                  ScopeRegistry scopeRegistry,
                                  RequestContextFactory requestContextFactory,
                                  MessageFactory messageFactory,
                                  InterfaceContractMapper mapper)
                           throws BundleException

Throws:

BundleException

Method Detail

getRuntimeComponent

protected RuntimeComponent getRuntimeComponent()

getImplementation

protected OSGiImplementationImpl getImplementation()

startBundle

protected Bundle startBundle(boolean doWait)
                      throws ObjectCreationException

Throws:

ObjectCreationException

getOSGiServiceReference

protected org.osgi.framework.ServiceReference getOSGiServiceReference(ComponentService service)
                                                               throws ObjectCreationException

Throws:

ObjectCreationException

getOSGiServiceReference

protected org.osgi.framework.ServiceReference getOSGiServiceReference(EndpointReference from,
                                                                      Interface callbackInterface)
                                                               throws ObjectCreationException

Throws:

ObjectCreationException

installDummyBundleWithoutFragments

protected Bundle installDummyBundleWithoutFragments(java.lang.Class<?> interfaceClass)
                                             throws java.lang.Exception

Throws:

java.lang.Exception

createInstanceWrapper

public InstanceWrapper<?> createInstanceWrapper()
                                         throws ObjectCreationException

Description copied from interface: ScopedImplementationProvider

Create a wrapper for the component instance for the scope management

Specified by:

createInstanceWrapper in interface ScopedImplementationProvider

Returns:

A wrapper for the component instance

Throws:

ObjectCreationException

isOptimizable

public boolean isOptimizable()

getScope

public Scope getScope()

Description copied from interface: ScopedImplementationProvider

Get the scope for the component implementation

Specified by:

getScope in interface ScopedImplementationProvider

Returns:

The scope for the component implementation, if null is returned, STATELESS will be used

isEagerInit

public boolean isEagerInit()

Description copied from interface: ScopedImplementationProvider

Indicate if the component needs to be eagerly initialized

Specified by:

isEagerInit in interface ScopedImplementationProvider

Returns:

true if the component is marked to be eagerly initialized, false otherwise

getMaxAge

public long getMaxAge()

Specified by:

getMaxAge in interface ScopedImplementationProvider

Returns:

the maxAge

getMaxIdleTime

public long getMaxIdleTime()

Specified by:

getMaxIdleTime in interface ScopedImplementationProvider

Returns:

the maxIdleTime

getScopeContainer

protected ScopeContainer<?> getScopeContainer()

createTargetInvoker

public Invoker createTargetInvoker(RuntimeComponentService service,
                                   Operation operation)

createInvoker

public Invoker createInvoker(RuntimeComponentService service,
                             Operation operation)

Description copied from interface: ImplementationProvider

Create an invoker for the component implementation in the invocation chain. The invoker will be responsible for calling the implementation logic for the given component.

Specified by:

createInvoker in interface ImplementationProvider

Parameters:

service - The component service

operation - The operation that the interceptor will handle

Returns:

An invoker that handles the invocation logic, null should be returned if no invoker is required

supportsOneWayInvocation

public boolean supportsOneWayInvocation()

Description copied from interface: ImplementationProvider

For bindings that invoke one-way callback operations asynchronously, there is no need to perform a thread switch before calling the invoker. This method indicates whether the binding has this capability.

Specified by:

supportsOneWayInvocation in interface ImplementationProvider

Returns:

true if the callback invoker is able to invoke one-way operations asynchronously, false if all invocations are synchronous

start

public void start()

Description copied from interface: ImplementationProvider

This method will be invoked when the component implementation is activated.

Specified by:

start in interface ImplementationProvider

processAnnotations

public void processAnnotations(boolean doWait)
                        throws IntrospectionException

Throws:

IntrospectionException

stop

public void stop()

Description copied from interface: ImplementationProvider

This method will be invoked when the component implementation is deactivated.

Specified by:

stop in interface ImplementationProvider

frameworkEvent

public void frameworkEvent(FrameworkEvent event)

bundleChanged

public void bundleChanged(BundleEvent event)