CommandStatus (digdag-spi 0.10.1 API)

```
public interface CommandStatus
```

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`default com.google.common.base.Optional<java.lang.String>`	`getErrorMessage()`	Return error message.
`java.lang.String`	`getIoDirectory()`	Return the same String with CommandRequest.getIoDirectory.
`int`	`getStatusCode()`	Return exit code of command finished.
`boolean`	`isFinished()`	Check command is finished or not.
`com.fasterxml.jackson.databind.node.ObjectNode`	`toJson()`

- Method Detail
  - isFinished
```
boolean isFinished()
```
    Check command is finished or not.
    
    Returns:
  - getStatusCode
```
int getStatusCode()
```
    Return exit code of command finished. It is valid only when isFinished returns true.
    
    Returns:
  - getErrorMessage
```
default com.google.common.base.Optional<java.lang.String> getErrorMessage()
```
    Return error message.
    
    Returns:
  - getIoDirectory
```
java.lang.String getIoDirectory()
```
    Return the same String with CommandRequest.getIoDirectory.
    
    Returns:
  - toJson
```
com.fasterxml.jackson.databind.node.ObjectNode toJson()
```