KeywordExecutable (Apache Accumulo Start 2.0.0 API)

```
public interface KeywordExecutable
```
An interface used with the Java ServiceLoader to auto-discover classes executable with a convenient keyword on the command-line.
All implementing classes who have an entry in META-INF/services/KeywordExecutable on the classpath will be constructed by the ServiceLoader, so they should be lightweight and quickly constructible with a mandatory no-argument constructor. Because of this, implementing classes could simply be factories which execute a different class, if that class is expensive to construct or cannot have a no-argument constructor.
One way to easily create META-INF/services files is to use the AutoService annotation.
If the implementing class also wishes to have a redundant main method, it may be useful to simply implement main as:
new MyImplementingClass().execute(args);

Nested Class Summary

Nested Classes
Modifier and Type Interface Description

static class KeywordExecutable.UsageGroup

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`String`	`description()`
`void`	`execute(String[] args)`	Execute the item with the given arguments.
`String`	`keyword()`
`default String`	`usage()`
`default KeywordExecutable.UsageGroup`	`usageGroup()`

- Method Detail
  - keyword
```
String keyword()
```
    Returns:
    
    Keyword which identifies this service
  - usage
```
default String usage()
```
    Returns:
    
    Usage for service
  - usageGroup
```
default KeywordExecutable.UsageGroup usageGroup()
```
    Returns:
    
    Usage group for this command
  - description
```
String description()
```
    Returns:
    
    Description of service
  - execute
```
void execute(String[] args)
      throws Exception
```
    Execute the item with the given arguments.
    
    Parameters:
    
    args - command-line arguments to pass to the executed class
    
    Throws:
    
    Exception