javax.enterprise.inject.spi.Extension Maven / Gradle / Ivy
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* Copyright 2010, Red Hat, Inc., and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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* See the License for the specific language governing permissions and
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*/
package javax.enterprise.inject.spi;
/**
* Service interface implemented by extensions. An extension
* is a service provider declared in META-INF/services.
*
* Service providers may have
* {@linkplain javax.enterprise.event.Observes observer methods},
* which may observe any event, including any
* {@linkplain javax.enterprise.inject.spi container lifecycle event},
* and obtain an injected
* {@link javax.enterprise.inject.spi.BeanManager}.
*
*
The container instantiates a single instance of each
* extension at the beginning of the application initialization
* process and maintains a reference to it until the application
* shuts down. The container delivers event notifications to this
* instance by calling its observer methods.
*
* Service providers are made available for injection as beans
* with the qualifier {@link javax.enterprise.inject.Default @Default}.
*
* @author Gavin King
* @author Pete Muir
*
*/
public interface Extension {}