Package io.streamthoughts.azkarra.api.components

Class ComponentModule<T>

java.lang.Object

io.streamthoughts.azkarra.api.components.ComponentModule<T>

All Implemented Interfaces:

ComponentFactory<T>, ComponentRegistryAware, Configurable

Direct Known Subclasses:

ComplexWordCountTopologyModule

public abstract class ComponentModule<T>
extends Object
implements ComponentFactory<T>, ComponentRegistryAware, Configurable

Nested Class Summary

Nested classes/interfaces inherited from interface io.streamthoughts.azkarra.api.components.ComponentFactory

ComponentFactory.SimpleFactory<T>

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ComponentModule(Class<T> type)	Creates a new ComponentModule instance.

Method Summary

Modifier and Type	Method	Description
protected Conf	configuration()
void	configure(Conf configuration)	Configures this instance with the specified Conf.
protected <C> Collection<C>	getAllComponentsForType(Class<C> type)	Gets all instances, which may be shared or independent, for the specified type.
protected <C> C	getComponentForClassOrAlias(String classOrAlias)	Gets an instance, which may be shared or independent, for the specified type.
protected <C> C	getComponentForType(Class<C> type)	Gets an instance, which may be shared or independent, for the specified type.
Class<T>	getType()	Returns the type of the component created by this ComponentFactory.
void	setRegistry(ComponentRegistry registry)	Sets the registry.

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.streamthoughts.azkarra.api.components.ComponentFactory

isSingleton, make

Constructor Detail

ComponentModule

protected ComponentModule(Class<T> type)

Creates a new ComponentModule instance.

Parameters:

type - the component type.

Method Detail

getType

public Class<T> getType()

Returns the type of the component created by this ComponentFactory.

Specified by:

getType in interface ComponentFactory<T>

Returns:

a Class instance.

setRegistry

public void setRegistry(ComponentRegistry registry)

Sets the registry.

Specified by:

setRegistry in interface ComponentRegistryAware

Parameters:

registry - the ComponentRegistry instance.

configure

public void configure(Conf configuration)

Configures this instance with the specified Conf.

Specified by:

configure in interface Configurable

Parameters:

configuration - the Conf instance used to configure this instance.

configuration

protected Conf configuration()

getComponentForType

protected <C> C getComponentForType(Class<C> type)

Gets an instance, which may be shared or independent, for the specified type.

Type Parameters:

C - the component-type.

Parameters:

type - the component class.

Returns:

the instance of type ComponentModule.

Throws:

NoUniqueComponentException - if more than one component is registered for the given type.

NoSuchComponentException - if no component is registered for the given type.

getComponentForClassOrAlias

protected <C> C getComponentForClassOrAlias(String classOrAlias)

Gets an instance, which may be shared or independent, for the specified type.

Type Parameters:

C - the component-type.

Parameters:

classOrAlias - the fully qualified class name or an alias of the component.

Returns:

the instance of type ComponentModule.

Throws:

NoUniqueComponentException - if more than one component is registered for the given type.

NoSuchComponentException - if no component is registered for the given class or alias..

getAllComponentsForType

protected <C> Collection<C> getAllComponentsForType(Class<C> type)

Gets all instances, which may be shared or independent, for the specified type.

Type Parameters:

C - the component-type.

Parameters:

type - the component class.

Returns:

the instance of type ComponentModule.