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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*
* Copyright 2002-2017 the original author or authors.
* Copyright 2002-2018 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
Expand All @@ -26,9 +26,15 @@
* Marks a constructor, field, setter method or config method as to be autowired
* by Spring's dependency injection facilities.
*
* <p>Only one constructor (at max) of any given bean class may carry this annotation,
* indicating the constructor to autowire when used as a Spring bean. Such a
* constructor does not have to be public.
* <p>Only one constructor (at max) of any given bean class may carry this
* annotation with the 'required' parameter set to {@code true},
* indicating <i>the</i> constructor to autowire when used as a Spring bean.
* If multiple <i>non-required</i> constructors carry the annotation, they
* will be considered as candidates for autowiring. The constructor with
* the greatest number of dependencies that can be satisfied by matching
* beans in the Spring container will be chosen. If none of the candidates
* can be satisfied, then a default constructor (if present) will be used.
* An annotated constructor does not have to be public.
*
* <p>Fields are injected right after construction of a bean, before any config
* methods are invoked. Such a config field does not have to be public.
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