Context (Java SE 11 & JDK 11 )

java.lang.Object
- jdk.crac.Context<R>

All Implemented Interfaces:

Resource
```
public abstract class Context<R extends Resource>
extends Object
implements Resource
```
A Resource that allows other Resources to be registered with it.
Context implementation overrides beforeCheckpoint and afterRestore, defining how the notification about checkpoint and restore will be distributed by the Context hierarchy.
A Context implementor is encouraged to respect properties of the global Context.

- Constructor Summary
  
  Constructors
  Modifier Constructor Description
  
  protected Context()
  Creates a Context.
- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  abstract void register(R resource)
  Registers a Resource with this Context.
  - Methods declared in class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  - Methods declared in interface jdk.crac.Resource
    afterRestore, beforeCheckpoint

- Constructor Detail
  - Context
```
protected Context()
```
    Creates a Context.
- Method Detail
  - register
```
public abstract void register(R resource)
```
    Registers a Resource with this Context.
    
    Parameters:
    
    resource - Resource to be registered.
    
    Throws:
    
    NullPointerException - if resource is null