HttpFunction (functions-framework-api 1.0.2 API)

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface HttpFunction
```
Represents a Cloud Function that is activated by an HTTP request.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`service(HttpRequest request, HttpResponse response)`	Called to service an incoming HTTP request.

- Method Detail
  - service
```
void service(HttpRequest request,
             HttpResponse response)
      throws java.lang.Exception
```
    Called to service an incoming HTTP request. This interface is implemented by user code to provide the action for a given function. If the method throws any exception (including any Error) then the HTTP response will have a 500 status code.
    
    Parameters:
    
    request - a representation of the incoming HTTP request.
    
    response - an object that can be used to provide the corresponding HTTP response.
    
    Throws:
    
    java.lang.Exception - if thrown, the HTTP response will have a 500 status code.