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/*
 * Copyright 2011 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.core.client;

/**
 * An object capable of providing an instance of type T asynchronously
 * via {@link Callback}. For example, the instance might be
 * created within a GWT.runAsync block using the following template:
 *
 *  
 *      public void get(final Callback callback) {
 *        GWT.runAsync(new RunAsyncCallback() {
 *          public void onSuccess() {
 *            callback.onSuccess(javax.inject.Provider.get());
 *          }
 *          public void onFailure(Throwable ex) {
 *            callback.onFailure(ex);
 *          }
 *        }
 *      }
 *  
* * @param the type of the provided value * @param the type returned on failure */ public interface AsyncProvider { /** * @param callback Callback used to pass the instance of T or an exception * if there is an issue creating that instance. */ void get(Callback callback); }




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