org.gcube.common.clients.delegates
Class DirectDelegate<A,S>

java.lang.Object
  org.gcube.common.clients.delegates.AbstractDelegate<A,S,EndpointConfig<A,S>>
      org.gcube.common.clients.delegates.DirectDelegate<A,S>

Type Parameters:

A - the of service addresses

S - the type of service proxies

All Implemented Interfaces:

ProxyDelegate<S>

public final class DirectDelegate<A,S>
extends AbstractDelegate<A,S,EndpointConfig<A,S>>
implements ProxyDelegate<S>

A ProxyDelegate that sends Calls to service endpoints at known addresses.

This is a no-op ProxyDelegate, i.e. it executes the Call interface and converts its faults. It exists to support uniform programming against the ProxyDelegate interface.

Author:

Fabio Simeoni

Constructor Summary

DirectDelegate(EndpointConfig<A,S> config)
Creates an instance with a ProxyPlugin and an endpoint address.

Method Summary

<V> V

make(Call<S,V> call) Makes a Call to a given service endpoint.

Methods inherited from class org.gcube.common.clients.delegates.AbstractDelegate

config, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.gcube.common.clients.delegates.ProxyDelegate

config

Constructor Detail

DirectDelegate

public DirectDelegate(EndpointConfig<A,S> config)

Creates an instance with a ProxyPlugin and an endpoint address.

Parameters:

plugin - the plugin

address - the address

Method Detail

make

public <V> V make(Call<S,V> call)
       throws Exception

Description copied from interface: ProxyDelegate

Makes a Call to a given service endpoint.

Specified by:

make in interface ProxyDelegate<S>

Type Parameters:

V - the type of the value returned from the call

Parameters:

call - the call

Returns:

the value returned from the call

Throws:

Exception - if the call fails