ForwardingServerCallListener

java.lang.Object
- io.grpc.ServerCall.Listener<ReqT>
- - io.grpc.PartialForwardingServerCallListener<ReqT>
  - - io.grpc.ForwardingServerCallListener<ReqT>

Direct Known Subclasses:

ForwardingServerCallListener.SimpleForwardingServerCallListener
```
public abstract class ForwardingServerCallListener<ReqT>
extends PartialForwardingServerCallListener<ReqT>
```
A ServerCall.Listener which forwards all of its methods to another ServerCall.Listener of matching parameterized types.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static class`	`ForwardingServerCallListener.SimpleForwardingServerCallListener<ReqT>`	A simplified version of `ForwardingServerCallListener` where subclasses can pass in a `ServerCall.Listener` as the delegate.

Constructor Summary

Constructors
Constructor Description

ForwardingServerCallListener()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`protected abstract ServerCall.Listener<ReqT>`	`delegate()`	Returns the delegated `ServerCall.Listener`.
`void`	`onMessage(ReqT message)`	A request message has been received.

Methods inherited from class io.grpc.PartialForwardingServerCallListener
onCancel, onComplete, onHalfClose, onReady, toString

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - ForwardingServerCallListener
```
public ForwardingServerCallListener()
```
- Method Detail
  - delegate
```
protected abstract ServerCall.Listener<ReqT> delegate()
```
    Returns the delegated ServerCall.Listener.
    
    Specified by:
    
    delegate in class PartialForwardingServerCallListener<ReqT>
  - onMessage
```
public void onMessage(ReqT message)
```
    Description copied from class: ServerCall.Listener
    
    A request message has been received. For streaming calls, there may be zero or more request messages.
    
    Overrides:
    
    onMessage in class ServerCall.Listener<ReqT>
    
    Parameters:
    
    message - a received request message.