org.apache.tuscany.core.context.scope
Class CompositeScopeContext

java.lang.Object
  org.apache.tuscany.core.context.impl.AbstractLifecycle
      org.apache.tuscany.core.context.scope.CompositeScopeContext

All Implemented Interfaces:

java.util.EventListener, Lifecycle, RuntimeEventListener, ScopeContext

public class CompositeScopeContext
extends AbstractLifecycle
implements ScopeContext

Manages the lifecycle of composite component contexts, i.e. contexts which contain child contexts

Version:

$Rev: 400246 $ $Date: 2006-05-06 02:18:32 -0400 (Sat, 06 May 2006) $

See Also:

CompositeContext

Field Summary

Fields inherited from class org.apache.tuscany.core.context.impl.AbstractLifecycle

lifecycleState, name

Fields inherited from interface org.apache.tuscany.core.context.Lifecycle

CONFIG_ERROR, ERROR, INITIALIZED, INITIALIZING, RUNNING, STARTED, STOPPED, STOPPING, UNINITIALIZED

Constructor Summary

CompositeScopeContext(EventContext eventContext)

Method Summary

Context	getContext(java.lang.String ctxName) Returns a context bound to the given name or null if the component does not exist.
Context	getContextByKey(java.lang.String ctxName, java.lang.Object key) Returns a context bound to the given name and scoped to the given key or null if the context does not exist
java.lang.Object	getInstance(QualifiedName qName)
boolean	isCacheable() Returns whether implementation instances may be held for the duration of an wire
void	onEvent(Event event)
void	registerFactories(java.util.List<ContextFactory<Context>> configurations) Registers the context factory used to construct instance contexts for the scope
void	registerFactory(ContextFactory<Context> configuration) Adds a context factory to the scope
void	removeContext(java.lang.String ctxName) Removes a context with the given name, determining the scope key from the thread context
void	removeContextByKey(java.lang.String ctxName, java.lang.Object key) Removes a context bound to the given name and scope key
void	start() Starts the Lifecycle.
void	stop() Stops the Lifecycle.

Methods inherited from class org.apache.tuscany.core.context.impl.AbstractLifecycle

addListener, addListener, getLifecycleState, getListeners, getName, publish, removeListener, setName, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.tuscany.core.context.Lifecycle

getLifecycleState, getName, setName

Constructor Detail

CompositeScopeContext

public CompositeScopeContext(EventContext eventContext)

Method Detail

start

public void start()
           throws ScopeInitializationException

Description copied from interface: Lifecycle

Starts the Lifecycle.

Specified by:

start in interface Lifecycle

Throws:

ScopeInitializationException

stop

public void stop()
          throws ScopeRuntimeException

Description copied from interface: Lifecycle

Stops the Lifecycle.

Specified by:

stop in interface Lifecycle

Throws:

ScopeRuntimeException

registerFactories

public void registerFactories(java.util.List<ContextFactory<Context>> configurations)

Description copied from interface: ScopeContext

Registers the context factory used to construct instance contexts for the scope

Specified by:

registerFactories in interface ScopeContext

registerFactory

public void registerFactory(ContextFactory<Context> configuration)

Description copied from interface: ScopeContext

Adds a context factory to the scope

Specified by:

registerFactory in interface ScopeContext

isCacheable

public boolean isCacheable()

Description copied from interface: ScopeContext

Returns whether implementation instances may be held for the duration of an wire

Specified by:

isCacheable in interface ScopeContext

getInstance

public java.lang.Object getInstance(QualifiedName qName)
                             throws TargetException

Specified by:

getInstance in interface ScopeContext

Throws:

TargetException

getContext

public Context getContext(java.lang.String ctxName)

Description copied from interface: ScopeContext

Returns a context bound to the given name or null if the component does not exist. The returned context is bound to a key determined from the thread context.

Specified by:

getContext in interface ScopeContext

getContextByKey

public Context getContextByKey(java.lang.String ctxName,
                               java.lang.Object key)

Description copied from interface: ScopeContext

Returns a context bound to the given name and scoped to the given key or null if the context does not exist

Specified by:

getContextByKey in interface ScopeContext

removeContext

public void removeContext(java.lang.String ctxName)
                   throws ScopeRuntimeException

Description copied from interface: ScopeContext

Removes a context with the given name, determining the scope key from the thread context

Specified by:

removeContext in interface ScopeContext

Throws:

ScopeRuntimeException

removeContextByKey

public void removeContextByKey(java.lang.String ctxName,
                               java.lang.Object key)
                        throws ScopeRuntimeException

Description copied from interface: ScopeContext

Removes a context bound to the given name and scope key

Specified by:

removeContextByKey in interface ScopeContext

Throws:

ScopeRuntimeException

onEvent

public void onEvent(Event event)

Specified by:

onEvent in interface RuntimeEventListener