Package com.uber.cadence.workflow
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Interface Summary Interface Description ActivityStub ActivityStub is used to call an activity without referencing an interface it implements.CancellationScope Handle to a cancellation scope created throughWorkflow.newCancellationScope(Runnable)orWorkflow.newDetachedCancellationScope(Runnable).ChildWorkflowStub Supports starting and signalling child workflows by the name and list of arguments.CompletablePromise<V> Promisethat exposes completion methods.ExternalWorkflowStub Supports signalling and cancelling any workflows by the workflow type and their id.Functions.Func<R> Functions.Func1<T1,R> Functions.Func2<T1,T2,R> Functions.Func3<T1,T2,T3,R> Functions.Func4<T1,T2,T3,T4,R> Functions.Func5<T1,T2,T3,T4,T5,R> Functions.Func6<T1,T2,T3,T4,T5,T6,R> Functions.Proc Functions.Proc1<T1> Functions.Proc2<T1,T2> Functions.Proc3<T1,T2,T3> Functions.Proc4<T1,T2,T3,T4> Functions.Proc5<T1,T2,T3,T4,T5> Functions.Proc6<T1,T2,T3,T4,T5,T6> Promise<V> Contains result of an asynchronous computation.QueueConsumer<E> QueueProducer<E> WorkflowInfo WorkflowInterceptor WorkflowQueue<E> -
Class Summary Class Description Async Supports invoking lambdas and activity and child workflow references asynchronously.ChildWorkflowOptions ChildWorkflowOptions.Builder ContinueAsNewOptions ContinueAsNewOptions.Builder Functions Saga This class implements the logic to execute compensation operations that is often required in Saga applications.Saga.Options Saga.Options.Builder SignalOptions SignalOptions.Builder Workflow Workflow encapsulates the orchestration of activities and child workflows.WorkflowInterceptor.WorkflowExecuteInput WorkflowInterceptor.WorkflowResult<R> WorkflowInterceptorBase Convenience base class for WorkflowInterceptor implementations.WorkflowLocal<T> A value that is local to a single workflow execution.WorkflowThreadLocal<T> ThreadLocalanalog for workflow code.WorkflowUtils -
Exception Summary Exception Description ActivityException Exception used to communicate failure of a remote activity.ActivityFailureException Indicates that an activity implementation threw an unhandled exception.ActivityTimeoutException ActivityTimeoutException indicates that an activity has timed out.CancelExternalWorkflowException Exception used to communicate failure of a request to signal an external workflow.ChildWorkflowException Base exception for failures of a child workflow.ChildWorkflowFailureException Indicates that a child workflow failed.ChildWorkflowTerminatedException Indicates that child workflow was forcefully terminated by an external command to Cadence service.ChildWorkflowTimedOutException Indicates that a child workflow exceeded its execution timeout and was forcefully terminated by the Cadence service.Saga.CompensationException SignalExternalWorkflowException Exception used to communicate failure of a request to signal an external workflow.StartChildWorkflowFailedException Indicates that child workflow failed to start.WorkflowOperationException Base exception used to communicate a failure that can be thrown by operations requested by a workflow code. -
Annotation Types Summary Annotation Type Description QueryMethod Indicates that the method is a query method.SignalMethod Indicates that the method is a signal handler method.WorkflowMethod Indicates that the method is a workflow method.