We use cookies to serve our customers and website visitors in the best possible way. Cookies are used for the proper functioning of the website and for improving the user experience, monitoring visitor traffic and marketing purposes. By continuing to browse the site, you agree to our use of cookies. You can read more about cookies here.
com.vaadin.flow.spring.
Package com.vaadin.flow.spring
Class SpringInstantiator
java.lang.Object
com.vaadin.flow.di.DefaultInstantiator
com.vaadin.flow.spring.SpringInstantiator
All Implemented Interfaces:
Default Spring instantiator that is used if no other instantiator has been registered. This implementation uses Spring beans.
Author:
Vaadin Ltd
See Also:
-
Constructor Summary
ConstructorsConstructorDescriptionSpringInstantiator(VaadinService service, org.springframework.context.ApplicationContext context) Creates a new spring instantiator instance.
-
Method Summary
Modifier and TypeMethodDescription<T extends Component>
TcreateComponent(Class<T> componentClass) Creates an instance of a component by its
componentClass.Get the I18NProvider if one has been defined.
<T> TgetOrCreate(Class<T> type) Hands over an existing bean or tries to instantiate one with the following rules: If exactly one bean is present in the context, it returns this bean.
Gets all service init listeners to use.
Methods inherited from class com.vaadin.flow.di.DefaultInstantiator
getServiceLoaderListenersMethods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitMethods inherited from interface com.vaadin.flow.di.Instantiator
createRouteTarget, getDependencyFilters, getIndexHtmlRequestListeners
-
Constructor Details
-
SpringInstantiator
public SpringInstantiator(VaadinService service, org.springframework.context.ApplicationContext context) Creates a new spring instantiator instance.
Parameters:
service- the service to usecontext- the application context
-
-
Method Details
-
getServiceInitListeners
Description copied from interface:
InstantiatorGets all service init listeners to use. In addition to listeners defined in some way native to a specific instantiator, it is also recommended to support the default
ServiceLoaderconvention. This can be done by including the items fromDefaultInstantiator.getServiceInitListeners()in the returned stream.Specified by:
getServiceInitListenersin interfaceInstantiatorOverrides:
getServiceInitListenersin classDefaultInstantiatorReturns:
stream of service init listeners, not
null -
createComponent
Description copied from interface:
InstantiatorCreates an instance of a component by its
componentClass.Specified by:
createComponentin interfaceInstantiatorOverrides:
createComponentin classDefaultInstantiatorType Parameters:
T- the component typeParameters:
componentClass- the instance type to create, notnullReturns:
the created instance, not
null -
getI18NProvider
Description copied from interface:
InstantiatorGet the I18NProvider if one has been defined.
Specified by:
getI18NProviderin interfaceInstantiatorOverrides:
getI18NProviderin classDefaultInstantiatorReturns:
I18NProvier instance
-
getOrCreate
Hands over an existing bean or tries to instantiate one with the following rules:
- If exactly one bean is present in the context, it returns this bean.
- If no bean is present, it tries to instantiate one.
- If more than one bean is present, it tries to instantiate one but in case of a Bean instantiation exception this exception is catched and rethrown with a hint. Reason for this is, that users may expect it to "use" a bean but have multiple in the context. So the hint helps them find the problem.
Specified by:
getOrCreatein interfaceInstantiatorOverrides:
getOrCreatein classDefaultInstantiatorType Parameters:
T- the type of the instance to createParameters:
type- the instance type to create, notnullReturns:
an instance of the given type
-