com.uber.cadence.internal.worker

Interface DecisionTaskHandler

All Known Implementing Classes:

ReplayDecisionTaskHandler

public interface DecisionTaskHandler

Interface of workflow task handlers.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	DecisionTaskHandler.Result

Method Summary

Modifier and Type	Method and Description
DecisionTaskHandler.Result	handleDecisionTask(PollForDecisionTaskResponse decisionTask) Handles a single workflow task.
boolean	isAnyTypeSupported() True if this handler handles at least one workflow type.

Method Detail

handleDecisionTask

DecisionTaskHandler.Result handleDecisionTask(PollForDecisionTaskResponse decisionTask)
                                       throws java.lang.Exception

Handles a single workflow task. Shouldn't throw any exceptions. A compliant implementation should return any unexpected errors as RespondDecisionTaskFailedRequest.

Parameters:

decisionTask - The decision task to handle.

Returns:

One of the possible decision task replies: RespondDecisionTaskCompletedRequest, RespondQueryTaskCompletedRequest, RespondDecisionTaskFailedRequest

Throws:

java.lang.Exception

isAnyTypeSupported

boolean isAnyTypeSupported()

True if this handler handles at least one workflow type.