com.uber.cadence.internal.replay

Class ReplayDecisionTaskHandler

java.lang.Object

com.uber.cadence.internal.replay.ReplayDecisionTaskHandler

All Implemented Interfaces:

DecisionTaskHandler

public final class ReplayDecisionTaskHandler
extends java.lang.Object
implements DecisionTaskHandler

Nested Class Summary

Nested classes/interfaces inherited from interface com.uber.cadence.internal.worker.DecisionTaskHandler

DecisionTaskHandler.Result

Constructor Summary

Constructors

Constructor and Description
ReplayDecisionTaskHandler(java.lang.String domain, ReplayWorkflowFactory asyncWorkflowFactory, DeciderCache cache, SingleWorkerOptions options, java.lang.String stickyTaskListName, java.time.Duration stickyTaskListScheduleToStartTimeout, IWorkflowService service, java.util.function.BiFunction<LocalActivityWorker.Task,java.time.Duration,java.lang.Boolean> laTaskPoller)

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.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ReplayDecisionTaskHandler

public ReplayDecisionTaskHandler(java.lang.String domain,
                                 ReplayWorkflowFactory asyncWorkflowFactory,
                                 DeciderCache cache,
                                 SingleWorkerOptions options,
                                 java.lang.String stickyTaskListName,
                                 java.time.Duration stickyTaskListScheduleToStartTimeout,
                                 IWorkflowService service,
                                 java.util.function.BiFunction<LocalActivityWorker.Task,java.time.Duration,java.lang.Boolean> laTaskPoller)

Method Detail

handleDecisionTask

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

Description copied from interface: DecisionTaskHandler

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

Specified by:

handleDecisionTask in interface DecisionTaskHandler

Parameters:

decisionTask - The decision task to handle.

Returns:

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

Throws:

java.lang.Exception

isAnyTypeSupported

public boolean isAnyTypeSupported()

Description copied from interface: DecisionTaskHandler

True if this handler handles at least one workflow type.

Specified by:

isAnyTypeSupported in interface DecisionTaskHandler