/*
* 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 com.google.gwt.dev.util;
/**
* Generic callback interface.
*
* @param <T> the type of the expected result
*/
public interface Callback<T> {
/**
* Called when an operation completes normally.
*
* @param result the result of the operation
*/
void onDone(T result);
/**
* Called when the task fails to complete.
*
* @param t the error thrown from the operation
*/
void onError(Throwable t);
}