/**
* Copyright 2010 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.waveprotocol.wave.client.doodad.experimental.htmltemplate;
/**
* A callback from an RPC.
*
* @param <R> Response type.
*/
public interface Callback<R> {
/**
* Notifies this callback of a successful response.
*/
void onSuccess(R cajoled);
/**
* Notifies this callback of a failure. This includes application-level
* failures (e.g., errors in performing the request) as well as
* communication-level failures (timeouts, message errors, etc).
*/
void onError(String message);
}