This technique accepts our question for a parameter plus a Func delegate that accepts two parameters of kind Firm finish Employee. Within the delegate, we seek to extract a corporation by its Id worth. If it doesn’t exist, we shop it Within the currentCompany variable and add it to your dictionary. Also, we assign all the employees to that recent organization and return it from a Func delegate.
Produce an entity or model course of Shopper variety, this entity are going to be mapped to The purchasers desk during the databases.
QueryMultiple – an extension system that executes various queries inside the similar command and maps final results
Now, we are going to take care of a Put up ask for inside our API and make use of the ExecuteAsync process to produce a new organization entity in the database.
Not surprisingly execution of stored procedure is supported. Any with the described techniques will allow the execution of a saved method. All it’s needed will be to omit
QuerySingleOrDefault – executes a query and maps the result or possibly a default benefit In case the sequence is empty. It throws an exception when there is multiple component in the sequence
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QueryFirstOrDefault – we use this technique to execute a query and map the initial consequence or perhaps a default price When the sequence is made up of no components
Several notes below. Since we don’t have any business logic, we're not making a support layer to wrap our repository layer. For this type of software, the provider layer would get in touch with repository techniques and nothing extra, incorporating an pointless volume of complexity on the write-up. Of course, we generally advise utilizing the support layer in larger-scale apps.
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It is probably the fastest and most straightforward all around, however it is very extensible and, earlier mentioned all, effectively adopted and Employed in really superior-functionality websites. Additional specifically has actually been created which is maintained by the guys powering StackOverflow, so you're able to ensure it really is fight-analyzed. Resource code is on GitHub
Today, all of the Qualities from the organization class provide the exact names given that the columns inside of the businesses table. But what would materialize if People don’t match?
A person awesome aspect you have when applying nameless objects as parameters is the chance to pass an IEnumerable. This is beneficial just in case you need to move a summary of values for use in a very IN build: can just go an IEnumerable as parameter price, as well as values will probably be mechanically expanded into a comma-separated listing of values.
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