CommandExecutor (digdag-spi 0.10.1 API)

```
public interface CommandExecutor
```

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`default void`	`cleanup(CommandContext context, io.digdag.client.config.Config state)`	Runs a cleanup script when an attempt gets CANCEL_REQUESTED.
`CommandStatus`	`poll(CommandContext context, com.fasterxml.jackson.databind.node.ObjectNode previousStatusJson)`	Polls the command status by non-blocking and return CommandStatus.
`CommandStatus`	`run(CommandContext context, CommandRequest request)`	Starts a command and returns its state.

- Method Detail
  - run
```
CommandStatus run(CommandContext context,
                  CommandRequest request)
           throws java.io.IOException
```
    Starts a command and returns its state. Caller must check isFinished of the returned CommandStatus. If it's true, the command is done. CommandStatus.getStatusCode() is ready to call. Otherwise, caller must call poll method repeatedly with toJson of the returned CommandStatus until CommandStatus is returned with isFinished == true.
    
    Parameters:
    
    context -
    
    request -
    
    Returns:
    
    Throws:
    
    java.io.IOException
  - poll
```
CommandStatus poll(CommandContext context,
                   com.fasterxml.jackson.databind.node.ObjectNode previousStatusJson)
            throws java.io.IOException
```
    Polls the command status by non-blocking and return CommandStatus.
    
    Parameters:
    
    context -
    
    previousStatusJson -
    
    Returns:
    
    Throws:
    
    java.io.IOException
  - cleanup
```
default void cleanup(CommandContext context,
                     io.digdag.client.config.Config state)
              throws java.io.IOException
```
    Runs a cleanup script when an attempt gets CANCEL_REQUESTED.
    
    Parameters:
    
    context -
    
    state -
    
    Throws:
    
    java.io.IOException