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Database Repository

CreateAsync​

The CreateAsync method is used to insert an entity in the database.

GetAsync​

The GetAsync methods provide several ways to get a single entity from the database. A NotFoundErrorException exception is thrown if the entity does not exist or if it has been soft-deleted.

QueryAsync​

The QueryAsync methods provide several ways to get multiple entities from the database.

QuerySingleAsync​

The QuerySingleAsync method provides a way to get a single entity from the database. It throws a PreconditionFailedErrorException if more results are returned than the expected one. It also throws a NotFoundErrorException when no result is found.

CountAsync​

The CountAsync method provides a ways to count entities from the database, which match a given filter.

ExistsAsync​

The ExistsAsync methods are used to check if entities exist in the database. They all return true when found or false otherwise.

EnsureExistsAsync​

The EnsureExistsAsync methods are used to check if entities exist in the database. They throw a NotFoundErrorException if the no entities are found.

IterateAsync​

The IterateAsync methods are used to iterate the repository via a filter and apply an operation on the filtered results.

ReplaceAsync​

The ReplaceAsync method can be used to replace an existing entity in the database.

UpdateAsync​

The UpdateAsync method can be used to update an existing entity in the database, through a given operation.