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Method in jpa - repository


By : Александр Сидоренко
Date : October 14 2020, 02:15 PM
may help you . You can use T getOne(ID id); which is provided by Jpa Repository that returns a reference to the entity with the given identifier;
So In your service you can use this:
code :
@Override
public ProjectVariant findProjectVariantById(int projectVariantId) {
    return projectVariantRepository.getOne(projectVariantId);
}


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Repository Patterns continued - class method or repository method?


By : Dani
Date : March 29 2020, 07:55 AM
help you fix your problem I would sugguest using the repository pattern for CRUD (Create, read, update, delete) operations on the Accounts.
code :
interface IAccountRepository
{
  Add(Account acc);
  Remove(Account acc);
  Account GetAccountById(int account);
  Update(Account acc);
}
class Account
{
  void Deposit(int amount)
  { 
  }
}
// Get the account by id
Account acc = rep.GetAccountById(23143);
// Deposit the money
acc.Deposit(21.23);
// Update if needed
rep.UpdateAccount(acc);
class Transaction
{
 virtual int Id { get; set; }
 virtual int AccountId { get; set; }
 virtual DateTime Timestamp { get; set; }
 virtual int Amount { get; set; }
}

How to force the repository method that return an object to make the database call from the action method


By : NeilBilsland
Date : March 29 2020, 07:55 AM
I wish this help you There are two real options here. The first is, if you know that you'll never want to defer execution of each of those properties within SystemInformation then you can alter the GetSystemInfo method to add a ToList to each of the queries, so they aren't deferred.
Another option would be to have two methods, one that defers execution and one that doesn't, if you sometimes want to rely on the deferred execution.

Passing object from my Controller action method to my Repository method


By : Debasish Muduli
Date : March 29 2020, 07:55 AM
I wish did fix the issue. In C# objects are passed by reference. When you save a new role in your ActionResult you notice it has gotten an Id after the InsertOrUpdateRole call. EF is starting to track changes as soon something is attached to the context. So your first approach works fine (I use it as well). Make sure the model is passed to the InsertOrUpdateRole function with all it's values set, EF will overwrite the entire record so if you forget a property in your view it will become an empty value in the database. If you only want to update a few properties of the model use your second approach.

asp mvc - generic repository and unit of work - override repository method


By : user2776226
Date : March 29 2020, 07:55 AM
this will help I think I understand this better after some time, so figured I would close it. I didn't need to "override" anything, I just needed to add the additional work in my unit of work class (duh), and then call the insert. for the thought provoking responses.

Why is this method in a Spring Data repository considered a query method?


By : Filipe Verri
Date : March 29 2020, 07:55 AM
hop of those help? Your TokenHistoryMongoRepositoryCustomImpl doesn't actually implement the TokenHistoryRepositoryCustom interface, which means that there's no way for us to find out that updateLastUsedDate(…) in the class found is considered to be an implementation of the interface method. Hence, it's considered a query method and then triggers the query derivation.
I highly doubt that this works for the other stores as claimed as the code inspecting query methods is shared in DefaultRepositoryInformation.
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