1 /** 2 * Copyright (C) 2006 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; 18 19 import static java.lang.annotation.RetentionPolicy.RUNTIME; 20 21 import java.lang.annotation.ElementType; 22 import java.lang.annotation.Retention; 23 import java.lang.annotation.Target; 24 25 /** 26 * Apply this to implementation classes when you want only one instance 27 * (per {@link Injector}) to be reused for all injections for that binding. 28 * 29 * @author crazybob (at) google.com (Bob Lee) 30 */ 31 @Target({ ElementType.TYPE, ElementType.METHOD }) 32 @Retention(RUNTIME) 33 @ScopeAnnotation 34 public @interface Singleton {} 35
