| Class | Description | 
|---|---|
| ActionCheckXCommand | 
 Executes the check command for ActionHandlers. 
 | 
| ActionEndXCommand | |
| ActionKillXCommand | 
 Kill workflow action and invoke action executor to kill the underlying context. 
 | 
| ActionStartXCommand | |
| ActionXCommand<T> | 
 Base class for Action execution commands. 
 | 
| ActionXCommand.ActionExecutorContext | 
 Workflow action executor context 
 | 
| ActionXCommand.ForkedActionExecutorContext | |
| BulkWorkflowXCommand | |
| CompletedActionXCommand | 
 This command is executed once the Workflow command is finished. 
 | 
| DefinitionXCommand | |
| ExternalIdXCommand | |
| ForkedActionStartXCommand | |
| JobsXCommand | |
| JobXCommand | 
 This Xcommand is returning the workflow with action within the range. 
 | 
| KillXCommand | 
 Kill workflow job and its workflow instance and queue a  
ActionKillXCommand to kill the workflow
 actions. | 
| ReRunXCommand | 
 This is a RerunXCommand which is used for rerunn. 
 | 
| ResumeXCommand | |
| SignalXCommand | |
| StartXCommand | 
 Starting the command. 
 | 
| SubmitHiveXCommand | |
| SubmitHttpXCommand | |
| SubmitMRXCommand | |
| SubmitPigXCommand | |
| SubmitScriptLanguageXCommand | |
| SubmitSqoopXCommand | |
| SubmitXCommand | |
| SuspendXCommand | |
| WfEndXCommand | 
 This Command is expected to be called when a Workflow moves to any terminal
 state ( such as SUCCEEDED, KILLED, FAILED). 
 | 
| WorkflowActionInfoXCommand | |
| WorkflowNotificationXCommand | |
| WorkflowXCommand<T> | 
 Abstract coordinator command class derived from XCommand 
 | 
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