Runtime tools : Core components : ElementFactory : Tasks : Scope
  
Scope
When you define a definition for an element, you specify how to create the element and define the dependency to other elements. In fact, the definition is a template from which to create an element, you can create multiple instances of element from the definition.
The attribute Scope specifies how many instances of element you can create from the definition. The ElementFactory supports two scopes:
Supported scopes
singleton
There is only one instance for the element definition in one ElementFactory.
prototype
The element instance is created every time on the invocation of getElement(String id).
Note It is not required to define attribute Scope in every element definition. There is a default Scope value singleton. To change the default scope of the element, see Customizing ElementFactory for more detail.
See
Singleton
Prototype
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