1 /* 2 * Copyright 2002-2007 the original author or authors. 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 org.springframework.aop.aspectj.annotation; 18 19 import org.springframework.beans.factory.BeanFactory; 20 21 /** 22 * AspectInstanceFactory backed by a BeanFactory-provided prototype, 23 * enforcing prototype semantics. 24 * 25 * <p>Note that this may instantiate multiple times, which probably won't give the 26 * semantics you expect. Use a {@link LazySingletonAspectInstanceFactoryDecorator} 27 * to wrap this to ensure only one new aspect comes back. 28 * 29 * @author Rod Johnson 30 * @author Juergen Hoeller 31 * @since 2.0 32 * @see org.springframework.beans.factory.BeanFactory 33 * @see LazySingletonAspectInstanceFactoryDecorator 34 */ 35 public class PrototypeAspectInstanceFactory extends BeanFactoryAspectInstanceFactory { 36 37 /** 38 * Create a PrototypeAspectInstanceFactory. AspectJ will be called to 39 * introspect to create AJType metadata using the type returned for the 40 * given bean name from the BeanFactory. 41 * @param beanFactory the BeanFactory to obtain instance(s) from 42 * @param name the name of the bean 43 */ PrototypeAspectInstanceFactory(BeanFactory beanFactory, String name)44 public PrototypeAspectInstanceFactory(BeanFactory beanFactory, String name) { 45 super(beanFactory, name); 46 if (!beanFactory.isPrototype(name)) { 47 throw new IllegalArgumentException( 48 "Cannot use PrototypeAspectInstanceFactory with bean named '" + name + "': not a prototype"); 49 } 50 } 51 52 } 53