001/* 002 * Copyright 2002-2016 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.aop.aspectj.annotation; 018 019import org.springframework.aop.aspectj.SimpleAspectInstanceFactory; 020import org.springframework.core.Ordered; 021import org.springframework.core.annotation.OrderUtils; 022 023/** 024 * Implementation of {@link MetadataAwareAspectInstanceFactory} that 025 * creates a new instance of the specified aspect class for every 026 * {@link #getAspectInstance()} call. 027 * 028 * @author Juergen Hoeller 029 * @since 2.0.4 030 */ 031public class SimpleMetadataAwareAspectInstanceFactory extends SimpleAspectInstanceFactory 032 implements MetadataAwareAspectInstanceFactory { 033 034 private final AspectMetadata metadata; 035 036 037 /** 038 * Create a new SimpleMetadataAwareAspectInstanceFactory for the given aspect class. 039 * @param aspectClass the aspect class 040 * @param aspectName the aspect name 041 */ 042 public SimpleMetadataAwareAspectInstanceFactory(Class<?> aspectClass, String aspectName) { 043 super(aspectClass); 044 this.metadata = new AspectMetadata(aspectClass, aspectName); 045 } 046 047 048 @Override 049 public final AspectMetadata getAspectMetadata() { 050 return this.metadata; 051 } 052 053 @Override 054 public Object getAspectCreationMutex() { 055 return this; 056 } 057 058 @Override 059 protected int getOrderForAspectClass(Class<?> aspectClass) { 060 return OrderUtils.getOrder(aspectClass, Ordered.LOWEST_PRECEDENCE); 061 } 062 063}