ConnectionObserver.ReadObserver

All Known Implementing Classes:

NoopTransportObserver.NoopReadObserver

Enclosing interface:

ConnectionObserver
```
public static interface ConnectionObserver.ReadObserver
```
An observer interface that provides visibility into read events.
Either readComplete() or readFailed(Throwable) will be invoked to signal when a read operation terminates. readCancelled() is also a terminal signal for the read operation, however it may be invoked concurrently with readComplete() or readFailed(Throwable).

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`itemRead()`	Invokes when a new item is read.
`void`	`readCancelled()`	Callback when the read operation is cancelled.
`void`	`readComplete()`	Callback when the entire read operation completes successfully.
`void`	`readFailed(java.lang.Throwable cause)`	Callback when the read operation fails with an `error`.
`void`	`requestedToRead(long n)`	Callback when new items are requested to read.

- Method Detail
  - requestedToRead
```
void requestedToRead(long n)
```
    Callback when new items are requested to read.
    
    Parameters:
    
    n - number of requested items to read
  - itemRead
```
void itemRead()
```
    Invokes when a new item is read.
    Content of the read items should be inspected at the higher level API when these items are consumed.
  - readFailed
```
void readFailed(java.lang.Throwable cause)
```
    Callback when the read operation fails with an error.
    
    Parameters:
    
    cause - Throwable that terminated the read
  - readComplete
```
void readComplete()
```
    Callback when the entire read operation completes successfully.
  - readCancelled
```
void readCancelled()
```
    Callback when the read operation is cancelled.