Add InvokeAsync for chained durable function calls (DOTNET-8661)#2374
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Add InvokeAsync for chained durable function calls (DOTNET-8661)#2374GarrettBeatty wants to merge 1 commit into
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Adds chained-function invocation to the .NET Durable Execution SDK. InvokeAsync calls another durable function as a separate execution; the caller suspends until the chained function completes, with the result checkpointed for replay. Public surface: - IDurableContext.InvokeAsync<TPayload, TResult> (reflection + AOT-safe overloads with positional ICheckpointSerializer<TPayload> and ICheckpointSerializer<TResult>) - InvokeConfig with Timeout (currently [Obsolete] - reserved for a future ChainedInvokeOptions wire field) and TenantId for tenant propagation - Exception subclass tree: InvokeException base + InvokeFailedException, InvokeTimedOutException, InvokeStoppedException Internal: - InvokeOperation<TPayload, TResult> mirrors WaitOperation's sync-flush START + SuspendAndAwait pattern. Replay maps STARTED/PENDING to re-suspend; SUCCEEDED to cached deserialize; FAILED/TIMED_OUT/STOPPED to typed exception subclasses. - ExecutionState.IsTerminalStatus now includes TimedOut (was missing). - LambdaDurableServiceClient.MapFromSdkOperation now preserves ErrorData and StackTrace fields across all operation types (Step, ChildContext, ChainedInvoke). Pre-existing data-loss bug fix. - Reuses TerminationReason.InvokePending and OperationSubTypes.Invoke from Wave 0. Adds 38 unit tests + 4 integration tests covering happy path, failure propagation, tenant-ID propagation, and replay determinism. Extends DurableFunctionDeployment to support a downstream callee function with cross-Lambda IAM. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Summary
Adds chained-function invocation to the .NET Durable Execution SDK.
InvokeAsynccalls another durable function as a separate execution; the caller suspends until the chained function completes, with the result checkpointed for replay.Stacked on top of #2372 (Wave 0 cross-cutting types).
Fixes DOTNET-8661.
Public surface
IDurableContext.InvokeAsync<TPayload, TResult>(reflection + AOT-safe overloads with positionalICheckpointSerializer<TPayload>andICheckpointSerializer<TResult>)InvokeConfigwithTimeout(currently[Obsolete]— reserved for a futureChainedInvokeOptionswire field) andTenantIdfor tenant propagationInvokeExceptionbase +InvokeFailedException,InvokeTimedOutException,InvokeStoppedExceptionInternal
InvokeOperation<TPayload, TResult>mirrorsWaitOperation's sync-flush START +SuspendAndAwaitpattern. Replay maps STARTED/PENDING to re-suspend; SUCCEEDED to cached deserialize; FAILED/TIMED_OUT/STOPPED to typed exception subclasses.ExecutionState.IsTerminalStatusnow includes TimedOut (was missing).LambdaDurableServiceClient.MapFromSdkOperationnow preservesErrorDataandStackTracefields across all operation types (Step, ChildContext, ChainedInvoke). Pre-existing data-loss bug fix.TerminationReason.InvokePendingandOperationSubTypes.Invokefrom Wave 0.Test plan
DurableFunctionDeploymentto support a downstream callee function with cross-Lambda IAM.🤖 Generated with Claude Code