Package dev.restate.sdk

Interface SharedWorkflowContext

All Superinterfaces:

Context, SharedObjectContext

All Known Subinterfaces:

WorkflowContext

public interface SharedWorkflowContext
extends SharedObjectContext

This interface can be used only within shared handlers of workflow. It extends Context adding access to the workflow instance key-value state storage and to the DurablePromise API.

NOTE: This interface MUST NOT be accessed concurrently since it can lead to different orderings of user actions, corrupting the execution of the invocation.

See Also:

• Context
• SharedObjectContext

Method Summary

Modifier and Type	Method	Description
<T> DurablePromise<T>	promise(DurablePromiseKey<T> key)	Create a DurablePromise for the given key.
<T> DurablePromiseHandle<T>	promiseHandle(DurablePromiseKey<T> key)	Create a new DurablePromiseHandle for the provided key.

Methods inherited from interface dev.restate.sdk.Context

awakeable, awakeableHandle, call, call, random, request, run, run, run, run, run, run, run, run, send, send, send, send, sleep, timer

Methods inherited from interface dev.restate.sdk.SharedObjectContext

get, key, stateKeys

Method Details

promise

<T> DurablePromise<T> promise(DurablePromiseKey<T> key)

Create a DurablePromise for the given key.

You can use this feature to implement interaction between different workflow handlers, e.g. to send a signal from a shared handler to the workflow handler.

Returns:

the DurablePromise.

See Also:

• DurablePromise

promiseHandle

<T> DurablePromiseHandle<T> promiseHandle(DurablePromiseKey<T> key)

Create a new DurablePromiseHandle for the provided key. You can use it to DurablePromiseHandle.resolve(Object) or DurablePromiseHandle.reject(String) the given DurablePromise.

See Also:

• DurablePromise