Composite locks

[moeen]

This pull request introduces new composite lock methods for various lock types via code generation.

Auto Generated Codes

• src/DistributedLock.Core/DistributedLockProviderExtensions.cs
• src/DistributedLock.Core/DistributedReaderWriterLockProviderExtensions.cs
• src/DistributedLock.Core/DistributedSemaphoreProviderExtensions.cs
• src/DistributedLock.Core/DistributedUpgradeableReaderWriterLockProviderExtensions.cs

[madelson]

Thanks for the contribution @moeen ! This is off to a great start!

[madelson]

I love the use of """ strings here, but let's indent less:

var providerInterfaceCode = $$"""
    ...
    """;

Please address throughout.

[moeen]

The generated code looks well indented. The raw string literals use aligned indentation for readability in the generator, the compiler strips the common leading whitespace anyway.
Happy to adjust if you prefer less indentation!

[wuzxc1230123]

Is there a better alternative to this PR?

[moeen]

@madelson

Hi! Sorry for the delay - I was busy and totally forgot about this. I've now resolved all the comments and added the tests as discussed. The PR should be ready for another review. Thanks for your patience!

Sample use with the Redis Provider:

var connection = await ConnectionMultiplexer.ConnectAsync("localhost:6379");
var provider = new RedisDistributedSynchronizationProvider(connection.GetDatabase());

const string FromAccount = "account:alice";
const string ToAccount = "account:bob";
const decimal Amount = 100m;

var accounts = new[] { FromAccount, ToAccount };

await using (var handle = await provider.TryAcquireAllLocksAsync(accounts, TimeSpan.FromSeconds(30)))
{
    if (handle != null)
    {
        Console.WriteLine($"Transferring ${Amount} from {FromAccount} to {ToAccount}");
        await Task.Delay(1000);
        Console.WriteLine("Transfer completed successfully");
    }
    else
    {
        Console.WriteLine("Failed to acquire locks - transfer aborted");
    }
}

await connection.CloseAsync();

[wuzxc1230123]

@moeen Dear Boss, could you please merge the code and provide the nget feature? I really need this functionality—thank you very much!