org.apache.tuscany.sca.core.scope
Class StatelessScopeContainer<KEY>

java.lang.Object
  org.apache.tuscany.sca.core.scope.AbstractScopeContainer<KEY>
      org.apache.tuscany.sca.core.scope.StatelessScopeContainer<KEY>

All Implemented Interfaces:

java.util.EventListener, ScopeContainer<KEY>, RuntimeEventListener

public class StatelessScopeContainer<KEY>
extends AbstractScopeContainer<KEY>

A scope context which manages stateless atomic component instances in a non-pooled fashion.

Field Summary

Fields inherited from class org.apache.tuscany.sca.core.scope.AbstractScopeContainer

component, lifecycleState, scope, wrappers

Fields inherited from interface org.apache.tuscany.sca.core.scope.ScopeContainer

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

Constructor Summary

StatelessScopeContainer(RuntimeComponent component)

Method Summary

InstanceWrapper	getAssociatedWrapper(KEY contextId) Returns an implementation instance associated with the current scope context.
InstanceWrapper	getWrapper(KEY contextId) Returns an instance wrapper associated with the current scope context, creating one if necessary
void	returnWrapper(InstanceWrapper wrapper, KEY contextId) Return a wrapper after use (for example, after invoking the instance).

Methods inherited from class org.apache.tuscany.sca.core.scope.AbstractScopeContainer

addWrapperReference, checkInit, createInstanceWrapper, getComponent, getLifecycleState, getScope, isEagerInit, onEvent, registerWrapper, remove, setComponent, setLifecycleState, start, startContext, stop, stopContext, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

StatelessScopeContainer

public StatelessScopeContainer(RuntimeComponent component)

Method Detail

getWrapper

public InstanceWrapper getWrapper(KEY contextId)
                           throws TargetResolutionException

Description copied from interface: ScopeContainer

Returns an instance wrapper associated with the current scope context, creating one if necessary

Specified by:

getWrapper in interface ScopeContainer<KEY>

Overrides:

getWrapper in class AbstractScopeContainer<KEY>

Parameters:

contextId - the id for the scope context

Returns:

the wrapper for the target instance

Throws:

TargetResolutionException - if there was a problem instantiating the target instance

getAssociatedWrapper

public InstanceWrapper getAssociatedWrapper(KEY contextId)
                                     throws TargetResolutionException

Description copied from interface: ScopeContainer

Returns an implementation instance associated with the current scope context. If no instance is found, a TargetNotFoundException is thrown.

Specified by:

getAssociatedWrapper in interface ScopeContainer<KEY>

Overrides:

getAssociatedWrapper in class AbstractScopeContainer<KEY>

Parameters:

contextId - the id for the scope context

Returns:

the wrapper for the target instance

Throws:

TargetResolutionException - if there was a problem instantiating the target instance

returnWrapper

public void returnWrapper(InstanceWrapper wrapper,
                          KEY contextId)
                   throws TargetDestructionException

Description copied from interface: ScopeContainer

Return a wrapper after use (for example, after invoking the instance).

Specified by:

returnWrapper in interface ScopeContainer<KEY>

Overrides:

returnWrapper in class AbstractScopeContainer<KEY>

Parameters:

wrapper - the wrapper for the target instance being returned

contextId - the id for the scope context

Throws:

TargetDestructionException - if there was a problem returning the target instance