1 /** 2 * Copyright (C) 2010 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 static java.lang.annotation.ElementType.METHOD; 20 import static java.lang.annotation.RetentionPolicy.RUNTIME; 21 22 import com.google.inject.Injector; 23 import com.google.inject.Stage; 24 25 import java.lang.annotation.Documented; 26 import java.lang.annotation.Retention; 27 import java.lang.annotation.Target; 28 29 /** 30 * Instructs an {@link Injector} running in {@link Stage#TOOL} that a method should be injected. 31 * This is typically useful for for extensions to Guice that perform additional validation in an 32 * injected method or field. This only applies to objects that are already constructed when 33 * bindings are created (ie., something bound using {@link 34 * com.google.inject.binder.LinkedBindingBuilder#toProvider toProvider}, {@link 35 * com.google.inject.binder.LinkedBindingBuilder#toInstance toInstance}, or {@link 36 * com.google.inject.Binder#requestInjection requestInjection}. 37 * 38 * @author sberlin@gmail.com (Sam Berlin) 39 * @since 3.0 40 */ 41 @Target({ METHOD }) 42 @Retention(RUNTIME) 43 @Documented 44 public @interface Toolable { 45 } 46