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Add strongly-typed extension methods for SignalWithStart #269

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Add strongly-typed extension methods for SignalWithStart #269

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45 changes: 44 additions & 1 deletion src/Temporalio/Client/ITemporalClientExtensions.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,49 @@ public static async Task<TResult> ExecuteWorkflowAsync<TWorkflow, TResult>(
return await handle.GetResultAsync(rpcOptions: options.Rpc).ConfigureAwait(false);
}

/// <summary>
/// Signal and (optionally) start a workflow via lambda invoking the signalWithStart method.
/// </summary>
/// <typeparam name="TWorkflow">Workflow class type.</typeparam>
/// <param name="client">Client to use.</param>
/// <param name="workflowRunCall">Invocation of workflow run method with a result.</param>
/// <param name="signalCall">Invocation of signal method without a result.</param>
/// <param name="options">Start workflow options. ID and TaskQueue are required.</param>
/// <returns>Workflow handle for the started workflow.</returns>
/// <exception cref="ArgumentException">Invalid run call or options.</exception>
/// <exception cref="Exceptions.RpcException">Server-side error.</exception>
public static async Task<WorkflowHandle<TWorkflow>> SignalWorkflowWithStartAsync<TWorkflow>(
this ITemporalClient client,
Expression<Func<TWorkflow, Task>> workflowRunCall,
Expression<Func<TWorkflow, Task>> signalCall,
WorkflowOptions options)
{
options.SignalWithStart(signalCall);
return await client.StartWorkflowAsync(workflowRunCall, options).ConfigureAwait(false);
}

/// <summary>
/// Signal and (optionally) start a workflow via lambda invoking the signalWithStart method.
/// </summary>
/// <typeparam name="TWorkflow">Workflow class type.</typeparam>
/// <typeparam name="TResult">Workflow result type.</typeparam>
/// <param name="client">Client to use.</param>
/// <param name="workflowRunCall">Invocation of workflow run method with a result.</param>
/// <param name="signalCall">Invocation of signal method without a result.</param>
/// <param name="options">Start workflow options. ID and TaskQueue are required.</param>
/// <returns>Workflow handle for the started workflow.</returns>
/// <exception cref="ArgumentException">Invalid run call or options.</exception>
/// <exception cref="Exceptions.RpcException">Server-side error.</exception>
public static async Task<WorkflowHandle<TWorkflow, TResult>> SignalWorkflowWithStartAsync<TWorkflow, TResult>(
this ITemporalClient client,
Expression<Func<TWorkflow, Task<TResult>>> workflowRunCall,
Expression<Func<TWorkflow, Task>> signalCall,
WorkflowOptions options)
{
options.SignalWithStart(signalCall);
return await client.StartWorkflowAsync(workflowRunCall, options).ConfigureAwait(false);
}

/// <summary>
/// Shortcut for
/// <see cref="ITemporalClient.StartWorkflowAsync{T}(Expression{Func{T, Task}}, WorkflowOptions)" />
Expand Down Expand Up @@ -158,4 +201,4 @@ public static async IAsyncEnumerable<WorkflowHistory> ListWorkflowHistoriesAsync
}
#endif
}
}
}