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It is a good practice to separate component construction and initialization, always try to make your component be self-dependable in initialization, self-dependable initialization means the component is able to initialize itself with the very minimal dependency to other component's initialization status. Use @PostConstruct to mark such initialization method for Spring to automatically call for you. Following is an example.

public class ConfigurationDaoImpl extends GenericDaoBase<ConfigurationVO, String> implements ConfigurationDao {

	@PostConstruct 	void initComponent() {		// more code...	} 
}

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