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Interview | DI lifetime Question -1
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public class Superior : ISuperior | |
{ | |
public string instanceId { get; set; } | |
public Superior() | |
{ | |
instanceId = GenerateRandomNumberBetweenNotAllocatedBefore(201 to 300); | |
} | |
public string SaySuperiorInstanceId() | |
{ | |
return instanceId; | |
} | |
} | |
//---------------------- | |
public class Dependent : IDependent | |
{ | |
public string instanceId { get; set; } | |
public ISuperior Superior { get; } | |
public Dependent(ISuperior superior) | |
{ | |
Superior = superior; | |
instanceId = GenerateRandomNumberBetweenNotAllocatedBefore(101 to 200); | |
} | |
public string SayMyInstanceId() | |
{ | |
return instanceId; | |
} | |
public string SayMySuperiorInstanceId() | |
{ | |
return Superior.SaySuperiorInstanceId(); | |
} | |
} | |
//------ | |
Case 2: | |
--------- | |
public static void Configure(IServiceCollection services) | |
{ | |
services.AddTransient<ISuperior, Superior>(); | |
services.AddScoped<IDependent, Dependent>(); | |
} | |
//---------------------- | |
public void mainControllerCall() | |
{ | |
var dep1 = services.GetRequiredService<IDependent>(); | |
var sup1 = services.GetRequiredService<ISuperior>(); | |
var dep2 = services.GetRequiredService<IDependent>(); | |
var sup2 = services.GetRequiredService<ISuperior>(); | |
print($"dep1- {dep1.SayMyInstanceId()}"); | |
print($"dep1.sup1-{dep1.Superior.SayMySuperiorInstanceId()}"); | |
print($"sup1- {sup1.SaySuperiorInstanceId()}"); | |
print($"dep2- {dep2.SayMyInstanceId()}"); | |
print($"dep2.sup2-{dep2.Superior.SayMySuperiorInstanceId()}"); | |
print($"sup2- {sup2.SaySuperiorInstanceId()}"); | |
} | |
------------------------------- | |
########################################## | |
Case 3: | |
--------- | |
public static void Configure(IServiceCollection services) | |
{ | |
services.AddTransient<ISuperior, Superior>(); | |
services.AddSingleton<IDependent, Dependent>(); | |
} | |
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