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The Amazon Simple Workflow Service (Amazon SWF) makes it easy to build applications that use Amazon's cloud to coordinate work across distributed components. In Amazon SWF, a task represents a logical unit of work that is performed by a component of your workflow. Coordinating tasks in a workflow involves managing intertask dependencies, scheduling, and concurrency in accordance with the logical flow of the application.
Amazon SWF gives you full control over implementing tasks and coordinating them without worrying about underlying complexities such as tracking their progress and maintaining their state.
This documentation serves as reference only. For a broader overview of the Amazon SWF programming model, see the Amazon SWF Developer Guide .
If you’re using the service, you’re probably looking for SwfClient and Swf.
Structs
Unit of work sent to an activity worker.
Provides the details of the ActivityTaskCancelRequested
event.
Provides the details of the ActivityTaskCanceled
event.
Provides the details of the ActivityTaskCompleted
event.
Provides the details of the ActivityTaskFailed
event.
Provides the details of the ActivityTaskScheduled
event.
Provides the details of the ActivityTaskStarted
event.
Status information about an activity task.
Provides the details of the ActivityTaskTimedOut
event.
Represents an activity type.
Configuration settings registered with the activity type.
Detailed information about an activity type.
Detailed information about an activity type.
Contains a paginated list of activity type information structures.
Provides the details of the CancelTimer
decision.
Access Control
You can use IAM policies to control this decision's access to Amazon SWF resources as follows:
-
Use a
Resource
element with the domain name to limit the action to only specified domains. -
Use an
Action
element to allow or deny permission to call this action. -
You cannot use an IAM policy to constrain this action's parameters.
If the caller doesn't have sufficient permissions to invoke the action, or the parameter values fall outside the specified constraints, the action fails. The associated event attribute's cause
parameter is set to OPERATION_NOT_PERMITTED
. For details and example IAM policies, see Using IAM to Manage Access to Amazon SWF Workflows in the Amazon SWF Developer Guide.
Provides the details of the CancelTimerFailed
event.
Provides the details of the CancelWorkflowExecution
decision.
Access Control
You can use IAM policies to control this decision's access to Amazon SWF resources as follows:
-
Use a
Resource
element with the domain name to limit the action to only specified domains. -
Use an
Action
element to allow or deny permission to call this action. -
You cannot use an IAM policy to constrain this action's parameters.
If the caller doesn't have sufficient permissions to invoke the action, or the parameter values fall outside the specified constraints, the action fails. The associated event attribute's cause
parameter is set to OPERATION_NOT_PERMITTED
. For details and example IAM policies, see Using IAM to Manage Access to Amazon SWF Workflows in the Amazon SWF Developer Guide.
Provides the details of the CancelWorkflowExecutionFailed
event.
Provide details of the ChildWorkflowExecutionCanceled
event.
Provides the details of the ChildWorkflowExecutionCompleted
event.
Provides the details of the ChildWorkflowExecutionFailed
event.
Provides the details of the ChildWorkflowExecutionStarted
event.
Provides the details of the ChildWorkflowExecutionTerminated
event.
Provides the details of the ChildWorkflowExecutionTimedOut
event.
Used to filter the closed workflow executions in visibility APIs by their close status.
Provides the details of the CompleteWorkflowExecution
decision.
Access Control
You can use IAM policies to control this decision's access to Amazon SWF resources as follows:
-
Use a
Resource
element with the domain name to limit the action to only specified domains. -
Use an
Action
element to allow or deny permission to call this action. -
You cannot use an IAM policy to constrain this action's parameters.
If the caller doesn't have sufficient permissions to invoke the action, or the parameter values fall outside the specified constraints, the action fails. The associated event attribute's cause
parameter is set to OPERATION_NOT_PERMITTED
. For details and example IAM policies, see Using IAM to Manage Access to Amazon SWF Workflows in the Amazon SWF Developer Guide.
Provides the details of the CompleteWorkflowExecutionFailed
event.
Provides the details of the ContinueAsNewWorkflowExecution
decision.
Access Control
You can use IAM policies to control this decision's access to Amazon SWF resources as follows:
-
Use a
Resource
element with the domain name to limit the action to only specified domains. -
Use an
Action
element to allow or deny permission to call this action. -
Constrain the following parameters by using a
Condition
element with the appropriate keys.-
tag
– A tag used to identify the workflow execution -
taskList
– String constraint. The key isswf:taskList.name
. -
workflowType.version
– String constraint. The key isswf:workflowType.version
.
-
If the caller doesn't have sufficient permissions to invoke the action, or the parameter values fall outside the specified constraints, the action fails. The associated event attribute's cause
parameter is set to OPERATION_NOT_PERMITTED
. For details and example IAM policies, see Using IAM to Manage Access to Amazon SWF Workflows in the Amazon SWF Developer Guide.
Provides the details of the ContinueAsNewWorkflowExecutionFailed
event.
Specifies a decision made by the decider. A decision can be one of these types:
-
CancelTimer
– Cancels a previously started timer and records aTimerCanceled
event in the history. -
CancelWorkflowExecution
– Closes the workflow execution and records aWorkflowExecutionCanceled
event in the history. -
CompleteWorkflowExecution
– Closes the workflow execution and records aWorkflowExecutionCompleted
event in the history . -
ContinueAsNewWorkflowExecution
– Closes the workflow execution and starts a new workflow execution of the same type using the same workflow ID and a unique run Id. AWorkflowExecutionContinuedAsNew
event is recorded in the history. -
FailWorkflowExecution
– Closes the workflow execution and records aWorkflowExecutionFailed
event in the history. -
RecordMarker
– Records aMarkerRecorded
event in the history. Markers can be used for adding custom information in the history for instance to let deciders know that they don't need to look at the history beyond the marker event. -
RequestCancelActivityTask
– Attempts to cancel a previously scheduled activity task. If the activity task was scheduled but has not been assigned to a worker, then it is canceled. If the activity task was already assigned to a worker, then the worker is informed that cancellation has been requested in the response to RecordActivityTaskHeartbeat. -
RequestCancelExternalWorkflowExecution
– Requests that a request be made to cancel the specified external workflow execution and records aRequestCancelExternalWorkflowExecutionInitiated
event in the history. -
ScheduleActivityTask
– Schedules an activity task. -
SignalExternalWorkflowExecution
– Requests a signal to be delivered to the specified external workflow execution and records aSignalExternalWorkflowExecutionInitiated
event in the history. -
StartChildWorkflowExecution
– Requests that a child workflow execution be started and records aStartChildWorkflowExecutionInitiated
event in the history. The child workflow execution is a separate workflow execution with its own history. -
StartTimer
– Starts a timer for this workflow execution and records aTimerStarted
event in the history. This timer fires after the specified delay and record aTimerFired
event.
Access Control
If you grant permission to use RespondDecisionTaskCompleted
, you can use IAM policies to express permissions for the list of decisions returned by this action as if they were members of the API. Treating decisions as a pseudo API maintains a uniform conceptual model and helps keep policies readable. For details and example IAM policies, see Using IAM to Manage Access to Amazon SWF Workflows in the Amazon SWF Developer Guide.
Decision Failure
Decisions can fail for several reasons
-
The ordering of decisions should follow a logical flow. Some decisions might not make sense in the current context of the workflow execution and therefore fails.
-
A limit on your account was reached.
-
The decision lacks sufficient permissions.
One of the following events might be added to the history to indicate an error. The event attribute's cause
parameter indicates the cause. If cause
is set to OPERATIONNOTPERMITTED
, the decision failed because it lacked sufficient permissions. For details and example IAM policies, see Using IAM to Manage Access to Amazon SWF Workflows in the Amazon SWF Developer Guide.
-
ScheduleActivityTaskFailed
– AScheduleActivityTask
decision failed. This could happen if the activity type specified in the decision isn't registered, is in a deprecated state, or the decision isn't properly configured. -
RequestCancelActivityTaskFailed
– ARequestCancelActivityTask
decision failed. This could happen if there is no open activity task with the specified activityId. -
StartTimerFailed
– AStartTimer
decision failed. This could happen if there is another open timer with the same timerId. -
CancelTimerFailed
– ACancelTimer
decision failed. This could happen if there is no open timer with the specified timerId. -
StartChildWorkflowExecutionFailed
– AStartChildWorkflowExecution
decision failed. This could happen if the workflow type specified isn't registered, is deprecated, or the decision isn't properly configured. -
SignalExternalWorkflowExecutionFailed
– ASignalExternalWorkflowExecution
decision failed. This could happen if theworkflowID
specified in the decision was incorrect. -
RequestCancelExternalWorkflowExecutionFailed
– ARequestCancelExternalWorkflowExecution
decision failed. This could happen if theworkflowID
specified in the decision was incorrect. -
CancelWorkflowExecutionFailed
– ACancelWorkflowExecution
decision failed. This could happen if there is an unhandled decision task pending in the workflow execution. -
CompleteWorkflowExecutionFailed
– ACompleteWorkflowExecution
decision failed. This could happen if there is an unhandled decision task pending in the workflow execution. -
ContinueAsNewWorkflowExecutionFailed
– AContinueAsNewWorkflowExecution
decision failed. This could happen if there is an unhandled decision task pending in the workflow execution or the ContinueAsNewWorkflowExecution decision was not configured correctly. -
FailWorkflowExecutionFailed
– AFailWorkflowExecution
decision failed. This could happen if there is an unhandled decision task pending in the workflow execution.
The preceding error events might occur due to an error in the decider logic, which might put the workflow execution in an unstable state The cause field in the event structure for the error event indicates the cause of the error.
A workflow execution may be closed by the decider by returning one of the following decisions when completing a decision task: CompleteWorkflowExecution
, FailWorkflowExecution
, CancelWorkflowExecution
and ContinueAsNewWorkflowExecution
. An UnhandledDecision
fault is returned if a workflow closing decision is specified and a signal or activity event had been added to the history while the decision task was being performed by the decider. Unlike the above situations which are logic issues, this fault is always possible because of race conditions in a distributed system. The right action here is to call RespondDecisionTaskCompleted without any decisions. This would result in another decision task with these new events included in the history. The decider should handle the new events and may decide to close the workflow execution.
How to Code a Decision
You code a decision by first setting the decision type field to one of the above decision values, and then set the corresponding attributes field shown below:
A structure that represents a decision task. Decision tasks are sent to deciders in order for them to make decisions.
Provides the details of the DecisionTaskCompleted
event.
Provides details about the DecisionTaskScheduled
event.
Provides the details of the DecisionTaskStarted
event.
Provides the details of the DecisionTaskTimedOut
event.
Contains the configuration settings of a domain.
Contains details of a domain.
Contains general information about a domain.
Contains a paginated collection of DomainInfo structures.
Used to filter the workflow executions in visibility APIs by various time-based rules. Each parameter, if specified, defines a rule that must be satisfied by each returned query result. The parameter values are in the Unix Time format. For example: "oldestDate": 1325376070.
Provides the details of the ExternalWorkflowExecutionCancelRequested
event.
Provides the details of the ExternalWorkflowExecutionSignaled
event.
Provides the details of the FailWorkflowExecution
decision.
Access Control
You can use IAM policies to control this decision's access to Amazon SWF resources as follows:
-
Use a
Resource
element with the domain name to limit the action to only specified domains. -
Use an
Action
element to allow or deny permission to call this action. -
You cannot use an IAM policy to constrain this action's parameters.
If the caller doesn't have sufficient permissions to invoke the action, or the parameter values fall outside the specified constraints, the action fails. The associated event attribute's cause
parameter is set to OPERATION_NOT_PERMITTED
. For details and example IAM policies, see Using IAM to Manage Access to Amazon SWF Workflows in the Amazon SWF Developer Guide.
Provides the details of the FailWorkflowExecutionFailed
event.
Paginated representation of a workflow history for a workflow execution. This is the up to date, complete and authoritative record of the events related to all tasks and events in the life of the workflow execution.
Event within a workflow execution. A history event can be one of these types:
-
ActivityTaskCancelRequested
– ARequestCancelActivityTask
decision was received by the system. -
ActivityTaskCanceled
– The activity task was successfully canceled. -
ActivityTaskCompleted
– An activity worker successfully completed an activity task by calling RespondActivityTaskCompleted. -
ActivityTaskFailed
– An activity worker failed an activity task by calling RespondActivityTaskFailed. -
ActivityTaskScheduled
– An activity task was scheduled for execution. -
ActivityTaskStarted
– The scheduled activity task was dispatched to a worker. -
ActivityTaskTimedOut
– The activity task timed out. -
CancelTimerFailed
– Failed to process CancelTimer decision. This happens when the decision isn't configured properly, for example no timer exists with the specified timer Id. -
CancelWorkflowExecutionFailed
– A request to cancel a workflow execution failed. -
ChildWorkflowExecutionCanceled
– A child workflow execution, started by this workflow execution, was canceled and closed. -
ChildWorkflowExecutionCompleted
– A child workflow execution, started by this workflow execution, completed successfully and was closed. -
ChildWorkflowExecutionFailed
– A child workflow execution, started by this workflow execution, failed to complete successfully and was closed. -
ChildWorkflowExecutionStarted
– A child workflow execution was successfully started. -
ChildWorkflowExecutionTerminated
– A child workflow execution, started by this workflow execution, was terminated. -
ChildWorkflowExecutionTimedOut
– A child workflow execution, started by this workflow execution, timed out and was closed. -
CompleteWorkflowExecutionFailed
– The workflow execution failed to complete. -
ContinueAsNewWorkflowExecutionFailed
– The workflow execution failed to complete after being continued as a new workflow execution. -
DecisionTaskCompleted
– The decider successfully completed a decision task by calling RespondDecisionTaskCompleted. -
DecisionTaskScheduled
– A decision task was scheduled for the workflow execution. -
DecisionTaskStarted
– The decision task was dispatched to a decider. -
DecisionTaskTimedOut
– The decision task timed out. -
ExternalWorkflowExecutionCancelRequested
– Request to cancel an external workflow execution was successfully delivered to the target execution. -
ExternalWorkflowExecutionSignaled
– A signal, requested by this workflow execution, was successfully delivered to the target external workflow execution. -
FailWorkflowExecutionFailed
– A request to mark a workflow execution as failed, itself failed. -
MarkerRecorded
– A marker was recorded in the workflow history as the result of aRecordMarker
decision. -
RecordMarkerFailed
– ARecordMarker
decision was returned as failed. -
RequestCancelActivityTaskFailed
– Failed to process RequestCancelActivityTask decision. This happens when the decision isn't configured properly. -
RequestCancelExternalWorkflowExecutionFailed
– Request to cancel an external workflow execution failed. -
RequestCancelExternalWorkflowExecutionInitiated
– A request was made to request the cancellation of an external workflow execution. -
ScheduleActivityTaskFailed
– Failed to process ScheduleActivityTask decision. This happens when the decision isn't configured properly, for example the activity type specified isn't registered. -
SignalExternalWorkflowExecutionFailed
– The request to signal an external workflow execution failed. -
SignalExternalWorkflowExecutionInitiated
– A request to signal an external workflow was made. -
StartActivityTaskFailed
– A scheduled activity task failed to start. -
StartChildWorkflowExecutionFailed
– Failed to process StartChildWorkflowExecution decision. This happens when the decision isn't configured properly, for example the workflow type specified isn't registered. -
StartChildWorkflowExecutionInitiated
– A request was made to start a child workflow execution. -
StartTimerFailed
– Failed to process StartTimer decision. This happens when the decision isn't configured properly, for example a timer already exists with the specified timer Id. -
TimerCanceled
– A timer, previously started for this workflow execution, was successfully canceled. -
TimerFired
– A timer, previously started for this workflow execution, fired. -
TimerStarted
– A timer was started for the workflow execution due to aStartTimer
decision. -
WorkflowExecutionCancelRequested
– A request to cancel this workflow execution was made. -
WorkflowExecutionCanceled
– The workflow execution was successfully canceled and closed. -
WorkflowExecutionCompleted
– The workflow execution was closed due to successful completion. -
WorkflowExecutionContinuedAsNew
– The workflow execution was closed and a new execution of the same type was created with the same workflowId. -
WorkflowExecutionFailed
– The workflow execution closed due to a failure. -
WorkflowExecutionSignaled
– An external signal was received for the workflow execution. -
WorkflowExecutionStarted
– The workflow execution was started. -
WorkflowExecutionTerminated
– The workflow execution was terminated. -
WorkflowExecutionTimedOut
– The workflow execution was closed because a time out was exceeded.
Provides the details of the LambdaFunctionCompleted
event. It isn't set for other event types.
Provides the details of the LambdaFunctionFailed
event. It isn't set for other event types.
Provides the details of the LambdaFunctionScheduled
event. It isn't set for other event types.
Provides the details of the LambdaFunctionStarted
event. It isn't set for other event types.
Provides details of the LambdaFunctionTimedOut
event.
Provides the details of the MarkerRecorded
event.
Contains the count of tasks in a task list.
Provides the details of the RecordMarker
decision.
Access Control
You can use IAM policies to control this decision's access to Amazon SWF resources as follows:
-
Use a
Resource
element with the domain name to limit the action to only specified domains. -
Use an
Action
element to allow or deny permission to call this action. -
You cannot use an IAM policy to constrain this action's parameters.
If the caller doesn't have sufficient permissions to invoke the action, or the parameter values fall outside the specified constraints, the action fails. The associated event attribute's cause
parameter is set to OPERATION_NOT_PERMITTED
. For details and example IAM policies, see Using IAM to Manage Access to Amazon SWF Workflows in the Amazon SWF Developer Guide.
Provides the details of the RecordMarkerFailed
event.
Provides the details of the RequestCancelActivityTask
decision.
Access Control
You can use IAM policies to control this decision's access to Amazon SWF resources as follows:
-
Use a
Resource
element with the domain name to limit the action to only specified domains. -
Use an
Action
element to allow or deny permission to call this action. -
You cannot use an IAM policy to constrain this action's parameters.
If the caller doesn't have sufficient permissions to invoke the action, or the parameter values fall outside the specified constraints, the action fails. The associated event attribute's cause
parameter is set to OPERATION_NOT_PERMITTED
. For details and example IAM policies, see Using IAM to Manage Access to Amazon SWF Workflows in the Amazon SWF Developer Guide.
Provides the details of the RequestCancelActivityTaskFailed
event.
Provides the details of the RequestCancelExternalWorkflowExecution
decision.
Access Control
You can use IAM policies to control this decision's access to Amazon SWF resources as follows:
-
Use a
Resource
element with the domain name to limit the action to only specified domains. -
Use an
Action
element to allow or deny permission to call this action. -
You cannot use an IAM policy to constrain this action's parameters.
If the caller doesn't have sufficient permissions to invoke the action, or the parameter values fall outside the specified constraints, the action fails. The associated event attribute's cause
parameter is set to OPERATION_NOT_PERMITTED
. For details and example IAM policies, see Using IAM to Manage Access to Amazon SWF Workflows in the Amazon SWF Developer Guide.
Provides the details of the RequestCancelExternalWorkflowExecutionFailed
event.
Provides the details of the RequestCancelExternalWorkflowExecutionInitiated
event.
Tags are key-value pairs that can be associated with Amazon SWF state machines and activities.
Tags may only contain unicode letters, digits, whitespace, or these symbols: _ . : / = + - @
.
Input data for a TaskCompleted response to a decision task.
Specifies the runId
of a workflow execution.
Provides the details of the ScheduleActivityTask
decision.
Access Control
You can use IAM policies to control this decision's access to Amazon SWF resources as follows:
-
Use a
Resource
element with the domain name to limit the action to only specified domains. -
Use an
Action
element to allow or deny permission to call this action. -
Constrain the following parameters by using a
Condition
element with the appropriate keys.-
activityType.name
– String constraint. The key isswf:activityType.name
. -
activityType.version
– String constraint. The key isswf:activityType.version
. -
taskList
– String constraint. The key isswf:taskList.name
.
-
If the caller doesn't have sufficient permissions to invoke the action, or the parameter values fall outside the specified constraints, the action fails. The associated event attribute's cause
parameter is set to OPERATION_NOT_PERMITTED
. For details and example IAM policies, see Using IAM to Manage Access to Amazon SWF Workflows in the Amazon SWF Developer Guide.
Provides the details of the ScheduleActivityTaskFailed
event.
Decision attributes specified in scheduleLambdaFunctionDecisionAttributes
within the list of decisions decisions
passed to RespondDecisionTaskCompleted.
Provides the details of the ScheduleLambdaFunctionFailed
event. It isn't set for other event types.
Provides the details of the SignalExternalWorkflowExecution
decision.
Access Control
You can use IAM policies to control this decision's access to Amazon SWF resources as follows:
-
Use a
Resource
element with the domain name to limit the action to only specified domains. -
Use an
Action
element to allow or deny permission to call this action. -
You cannot use an IAM policy to constrain this action's parameters.
If the caller doesn't have sufficient permissions to invoke the action, or the parameter values fall outside the specified constraints, the action fails. The associated event attribute's cause
parameter is set to OPERATION_NOT_PERMITTED
. For details and example IAM policies, see Using IAM to Manage Access to Amazon SWF Workflows in the Amazon SWF Developer Guide.
Provides the details of the SignalExternalWorkflowExecutionFailed
event.
Provides the details of the SignalExternalWorkflowExecutionInitiated
event.
Provides the details of the StartChildWorkflowExecution
decision.
Access Control
You can use IAM policies to control this decision's access to Amazon SWF resources as follows:
-
Use a
Resource
element with the domain name to limit the action to only specified domains. -
Use an
Action
element to allow or deny permission to call this action. -
Constrain the following parameters by using a
Condition
element with the appropriate keys.-
tagList.member.N
– The key is "swf:tagList.N" where N is the tag number from 0 to 4, inclusive. -
taskList
– String constraint. The key isswf:taskList.name
. -
workflowType.name
– String constraint. The key isswf:workflowType.name
. -
workflowType.version
– String constraint. The key isswf:workflowType.version
.
-
If the caller doesn't have sufficient permissions to invoke the action, or the parameter values fall outside the specified constraints, the action fails. The associated event attribute's cause
parameter is set to OPERATION_NOT_PERMITTED
. For details and example IAM policies, see Using IAM to Manage Access to Amazon SWF Workflows in the Amazon SWF Developer Guide.
Provides the details of the StartChildWorkflowExecutionFailed
event.
Provides the details of the StartChildWorkflowExecutionInitiated
event.
Provides the details of the StartLambdaFunctionFailed
event. It isn't set for other event types.
Provides the details of the StartTimer
decision.
Access Control
You can use IAM policies to control this decision's access to Amazon SWF resources as follows:
-
Use a
Resource
element with the domain name to limit the action to only specified domains. -
Use an
Action
element to allow or deny permission to call this action. -
You cannot use an IAM policy to constrain this action's parameters.
If the caller doesn't have sufficient permissions to invoke the action, or the parameter values fall outside the specified constraints, the action fails. The associated event attribute's cause
parameter is set to OPERATION_NOT_PERMITTED
. For details and example IAM policies, see Using IAM to Manage Access to Amazon SWF Workflows in the Amazon SWF Developer Guide.
Provides the details of the StartTimerFailed
event.
A client for the Amazon SWF API.
Used to filter the workflow executions in visibility APIs based on a tag.
Represents a task list.
Provides the details of the TimerCanceled
event.
Provides the details of the TimerFired
event.
Provides the details of the TimerStarted
event.
Represents a workflow execution.
Provides the details of the WorkflowExecutionCancelRequested
event.
Provides the details of the WorkflowExecutionCanceled
event.
Provides the details of the WorkflowExecutionCompleted
event.
The configuration settings for a workflow execution including timeout values, tasklist etc. These configuration settings are determined from the defaults specified when registering the workflow type and those specified when starting the workflow execution.
Provides the details of the WorkflowExecutionContinuedAsNew
event.
Contains the count of workflow executions returned from CountOpenWorkflowExecutions or CountClosedWorkflowExecutions
Contains details about a workflow execution.
Provides the details of the WorkflowExecutionFailed
event.
Used to filter the workflow executions in visibility APIs by their workflowId
.
Contains information about a workflow execution.
Contains a paginated list of information about workflow executions.
Contains the counts of open tasks, child workflow executions and timers for a workflow execution.
Provides the details of the WorkflowExecutionSignaled
event.
Provides details of WorkflowExecutionStarted
event.
Provides the details of the WorkflowExecutionTerminated
event.
Provides the details of the WorkflowExecutionTimedOut
event.
Represents a workflow type.
The configuration settings of a workflow type.
Contains details about a workflow type.
Used to filter workflow execution query results by type. Each parameter, if specified, defines a rule that must be satisfied by each returned result.
Contains information about a workflow type.
Contains a paginated list of information structures about workflow types.
Enums
Errors returned by CountClosedWorkflowExecutions
Errors returned by CountOpenWorkflowExecutions
Errors returned by CountPendingActivityTasks
Errors returned by CountPendingDecisionTasks
Errors returned by DeprecateActivityType
Errors returned by DeprecateDomain
Errors returned by DeprecateWorkflowType
Errors returned by DescribeActivityType
Errors returned by DescribeDomain
Errors returned by DescribeWorkflowExecution
Errors returned by DescribeWorkflowType
Errors returned by GetWorkflowExecutionHistory
Errors returned by ListActivityTypes
Errors returned by ListClosedWorkflowExecutions
Errors returned by ListDomains
Errors returned by ListOpenWorkflowExecutions
Errors returned by ListTagsForResource
Errors returned by ListWorkflowTypes
Errors returned by PollForActivityTask
Errors returned by PollForDecisionTask
Errors returned by RecordActivityTaskHeartbeat
Errors returned by RegisterActivityType
Errors returned by RegisterDomain
Errors returned by RegisterWorkflowType
Errors returned by RequestCancelWorkflowExecution
Errors returned by RespondActivityTaskCanceled
Errors returned by RespondActivityTaskCompleted
Errors returned by RespondActivityTaskFailed
Errors returned by RespondDecisionTaskCompleted
Errors returned by SignalWorkflowExecution
Errors returned by StartWorkflowExecution
Errors returned by TagResource
Errors returned by TerminateWorkflowExecution
Errors returned by UndeprecateActivityType
Errors returned by UndeprecateDomain
Errors returned by UndeprecateWorkflowType
Errors returned by UntagResource
Traits
Trait representing the capabilities of the Amazon SWF API. Amazon SWF clients implement this trait.