Is @Bean inside @Component a singleton?


Han Dakun:

I've read somewhere that there is a difference between @Bean inside @Component and @configuration if the latter provides a singleton bean and the former doesn't. Can anyone confirm this is true?

Then Marcus:

When using @Configurationannotated classes, these classes are processed in full- mode mode , which means the class is read using ASM, and enhanced using CGLIB so that internal method calls will return the same instance.

Use the @Componentdeclared bean lite mode for those processes. Inter-method references are not allowed (you can do this, but each call will create a new bean).

See this section in the Spring Reference Guide , which explains this in more detail.

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