Factory

Implements: IFactory

Description

The Factory class allows you to create components using registered types and factory functions.

Instance methods

canCreate

Checks if this factory is able to create component by a given locator.

This method searches for all registered components and returns a locator for the component it is able to create that matches the given locator. If the factory is not able to create the requested component is returns null.

@override

dynamic canCreate(locator)

• locator: dynamic - locator to identify component to be created.
• returns: dynamic - locator for a component that the factory is able to create.

create

Creates a component identified by given a locator.

@override

dynamic create(locator)

• locator: dynamic - locator to identify component to be created.
• returns: dynamic - created component.

register

Registers a component using a factory method.

void register(locator, factory(locator))

• locator: dynamic - locator to identify component to be created.
• factory: dynamic - factory function that receives a locator and returns a created component.

registerAsType

Registers a component using its type (a constructor function).

void registerAsType(locator, type)

• locator: dynamic - locator to identify component to be created.
• type: dynamic - component type.

Examples

var factory = Factory();
factory.registerAsType(
    Descriptor('mygroup', 'mycomponent1', 'default', '*', '1.0'),
    MyComponent1
);

factory.register(
    Descriptor('mygroup', 'mycomponent2', 'default', '*', '1.0'),
    (locator) {
        return MyComponent2();
    }
);

factory.create(Descriptor('mygroup', 'mycomponent1', 'default', 'name1', '1.0'))
factory.create(Descriptor('mygroup', 'mycomponent2', 'default', 'name2', '1.0'))

See also

• Descriptor

• IFactory