AsyncExecChain

```
@Contract(threading=STATELESS)
public interface AsyncExecChain
```
Represents a single element in the client side asynchronous request execution chain.

Since:

5.0

Nested Class Summary

Nested Classes
Modifier and Type	Interface	Description
`static interface`	`AsyncExecChain.Scheduler`	Request execution scheduler
`static class`	`AsyncExecChain.Scope`	Request execution scope that includes the unique message exchange ID, the connection route, the original request message, the execution context and the internal execution runtime.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`proceed(org.apache.hc.core5.http.HttpRequest request, org.apache.hc.core5.http.nio.AsyncEntityProducer entityProducer, AsyncExecChain.Scope scope, AsyncExecCallback asyncExecCallback)`	Proceeds to the next element in the request execution chain.

- Method Detail
  - proceed
```
void proceed(org.apache.hc.core5.http.HttpRequest request,
             org.apache.hc.core5.http.nio.AsyncEntityProducer entityProducer,
             AsyncExecChain.Scope scope,
             AsyncExecCallback asyncExecCallback)
      throws org.apache.hc.core5.http.HttpException,
             java.io.IOException
```
    Proceeds to the next element in the request execution chain.
    
    Parameters:
    
    request - the actual request.
    
    entityProducer - the request entity producer or null if the request does not enclose an entity.
    
    scope - the execution scope .
    
    asyncExecCallback - the execution callback.
    
    Throws:
    
    org.apache.hc.core5.http.HttpException
    
    java.io.IOException