RegisteredGlobalState (Storm 2.2.0 API)

```
public class RegisteredGlobalState
extends Object
```
This class is used as part of testing Storm. It is used to keep track of “global metrics” in an atomic way. For example, it is used for doing fine-grained detection of when a local Storm cluster is idle by tracking the number of transferred tuples vs the number of processed tuples.

Constructors
Constructor and Description
`RegisteredGlobalState()`

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static void`	`clearState(String id)`
`static Object`	`getState(String id)`
`static Object`	`globalLock()`
`static String`	`registerState(Object init)`
`static void`	`setState(String id, Object init)`

Constructor Detail
- RegisteredGlobalState
```
public RegisteredGlobalState()
```

public static String registerState(Object init)

public static void setState(String id,
                            Object init)

public static Object getState(String id)

public static void clearState(String id)

Class RegisteredGlobalState