1 /* 2 * Copyright (C) 2008 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.google.inject.spi; 18 19 import com.google.inject.Binding; 20 import com.google.inject.Key; 21 22 /** 23 * A binding to a provider key. To resolve injections, the provider key is first resolved, then that 24 * provider's {@code get} method is invoked. 25 * 26 * @author jessewilson@google.com (Jesse Wilson) 27 * @since 2.0 28 */ 29 public interface ProviderKeyBinding<T> extends Binding<T> { 30 31 /** 32 * Returns the key used to resolve the provider's binding. That binding can be retrieved from an 33 * injector using {@link com.google.inject.Injector#getBinding(Key) 34 * Injector.getBinding(providerKey)} 35 */ getProviderKey()36 Key<? extends javax.inject.Provider<? extends T>> getProviderKey(); 37 } 38