Interceptor (grizzly-framework 4.0.0 API)

```
public interface Interceptor<R>
```
Handler, which is used to finer control Readable.

Author:

Alexey Stashok

Field Summary

Fields
Modifier and Type Field Description

static int COMPLETED

static int DEFAULT

static int INCOMPLETED

static int RESET

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`int`	`intercept(int event, Object context, R result)`	Callback method is called by `Readable`, so it is possible to customize reading process.

- Field Detail
  - DEFAULT
```
static final int DEFAULT
```
    See Also:
    
    Constant Field Values
  - COMPLETED
```
static final int COMPLETED
```
    See Also:
    
    Constant Field Values
  - INCOMPLETED
```
static final int INCOMPLETED
```
    See Also:
    
    Constant Field Values
  - RESET
```
static final int RESET
```
    See Also:
    
    Constant Field Values
- Method Detail
  - intercept
```
int intercept(int event,
              Object context,
              R result)
```
    Callback method is called by Readable, so it is possible to customize reading process. Mostly Interceptor is used to control asynchronous reads.
    
    Parameters:
    
    event - type of intercepted event.
    
    context - read operation context.
    
    result - last read operation result.
    
    Returns:
    
    the implementation specific code to instruct Readable how it should continue reading operation.