using System;

/*

You have a multitenant application with a dedicated database for each tenant. (Db1, Db2 ... DbN)

You want to create a DbConnectionFactory that will be responsible for establishing DbConnection

for each tenant, taking into account such features:

1. caching.

2. thread-safe.

3. retry

The DbConnection can be created in the following way: var dbConnection = new DbConnection(connectionString);

*/

​

interface IDbConnectionFactory

{

    IDbConnection GetConnection(string connectionString);

}

​

//Answer

interface IDbConnectionFactory

{

    IDbConnection GetConnection(string connectionString);

}