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[Async stack 4/6] Add cold async orchestration context - #361
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Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
Expose Any when no reconstruction type is supplied, preserving existing decoding behavior and explicit return_type inference. Cover typed and raw results through replay and public typing fixtures. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
Adapt the new parent classifier tests to the async context introduced by this layer, preserving their callable-chain coverage and asserting runtime context selection. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
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…nc-stack-4-async-context Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
…nc-stack-4-async-context Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
…nc-stack-4-async-context Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
…nc-stack-4-async-context Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
Guard AsyncOrchestrationContext against public API and metadata drift from OrchestrationContext with an explicit allowlist, reject non-finite create_timer delays like event timeouts, and cover the race-winner, completion-check, and result idioms. Document them along with un-awaited operations. Remove the changelog entry for unreleased behavior. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
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This PR is part of a review-only stack and must not be merged individually. The whole stack will be squash-merged after every PR is approved.
Layer 4/6. Async orchestrators receive a cold, await-only
AsyncOrchestrationContext. Durable operations return native, single-use coroutines: validation, serialization, scheduling, and relative deadline evaluation occur when execution starts, not when the coroutine is constructed. Inputs are not copied. Timers and event receives own their local registrations and withdraw them when the waiter exits; cancelling remote-work waiters does not cancel the underlying work. Non-finite timer delays and event timeouts are rejected.as_task_context()is the explicit escape hatch to eager scheduling and reusable durable task handles, including independent borrowed waiters throughTask.wait(),task.when_anywinner identification, and completion checks.The synchronous
OrchestrationContextand generator orchestration behavior remain unchanged. Async sub-orchestration calls withoutreturn_typeare typed asAny.Tests
tests/durabletask/test_async_context.py, covering context selection for supported async callable shapes, replay/action parity, cancellation ownership, timeout ordering, public result-type inference, and the race-winner, completion-check, and result idioms.AsyncOrchestrationContextwithOrchestrationContextagainst an explicit allowlist of intentional differences (as_task_context, async-onlytimeout, and which members are coroutines), plus a metadata parity test forinstance_id,parent_instance_id,version,current_utc_datetime, andis_replaying.task.AsyncOrchestrationContext, usingctx.as_task_context()where they need eager handles.tests/durabletask/typing/async_context.pyfor static typing checks.Docs and CI
docs/async-orchestrators.mddocuments sub-orchestration result typing, un-awaited operations, and an example of the winner, completion-check, and result idioms.async-runtime-windowsCI job from [Async stack 3/6] Dispatch cleanup for coroutine orchestrators #360 to runtest_async_context.py.Builds on #360. Functions integration (#363) and final documentation and release notes (#364) follow. The stack splits the closed #293.