| /** |
| * Copyright (C) 2008 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.inject.visitable; |
| |
| import com.google.inject.Injector; |
| import com.google.inject.Key; |
| |
| |
| /** |
| * Satisfies binding requests using an eventually-created Injector. |
| * |
| * @author jessewilson@google.com (Jesse Wilson) |
| */ |
| public final class FutureInjector implements EarlyRequestsProvider { |
| private Injector injector; |
| |
| public void initialize(Injector injector) { |
| if (this.injector != null) { |
| throw new IllegalStateException("Already initialized"); |
| } |
| |
| this.injector = injector; |
| } |
| |
| public <T> T get(Key<T> key) { |
| if (injector == null) { |
| throw new IllegalStateException("Not yet initialized"); |
| } |
| |
| return injector.getInstance(key); |
| } |
| } |