org.springframework.aop.aspectj.annotation.SimpleMetadataAwareAspectInstanceFactory Maven / Gradle / Ivy
/*
* Copyright 2002-2007 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.aop.aspectj.annotation;
import org.springframework.aop.aspectj.SimpleAspectInstanceFactory;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
/**
* Implementation of {@link MetadataAwareAspectInstanceFactory} that
* creates a new instance of the specified aspect class for every
* {@link #getAspectInstance()} call.
*
* @author Juergen Hoeller
* @since 2.0.4
*/
public class SimpleMetadataAwareAspectInstanceFactory extends SimpleAspectInstanceFactory
implements MetadataAwareAspectInstanceFactory {
private final AspectMetadata metadata;
/**
* Create a new SimpleMetadataAwareAspectInstanceFactory for the given aspect class.
* @param aspectClass the aspect class
* @param aspectName the aspect name
*/
public SimpleMetadataAwareAspectInstanceFactory(Class aspectClass, String aspectName) {
super(aspectClass);
this.metadata = new AspectMetadata(aspectClass, aspectName);
}
public final AspectMetadata getAspectMetadata() {
return this.metadata;
}
/**
* Determine a fallback order for the case that the aspect instance
* does not express an instance-specific order through implementing
* the {@link org.springframework.core.Ordered} interface.
* The default implementation simply returns Ordered.LOWEST_PRECEDENCE.
* @param aspectClass the aspect class
*/
protected int getOrderForAspectClass(Class aspectClass) {
Order order = (Order) aspectClass.getAnnotation(Order.class);
if (order != null) {
return order.value();
}
return Ordered.LOWEST_PRECEDENCE;
}
}