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Spring Framework example source code file (SingletonMetadataAwareAspectInstanceFactory.java)

This example Spring Framework source code file (SingletonMetadataAwareAspectInstanceFactory.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Spring Framework tags/keywords

aspectmetadata, aspectmetadata, metadataawareaspectinstancefactory, metadataawareaspectinstancefactory, order, order, singletonaspectinstancefactory, singletonmetadataawareaspectinstancefactory, singletonmetadataawareaspectinstancefactory, string

The Spring Framework SingletonMetadataAwareAspectInstanceFactory.java source code

/*
 * 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.SingletonAspectInstanceFactory;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;

/**
 * Implementation of {@link MetadataAwareAspectInstanceFactory} that is backed
 * by a specified singleton object, returning the same instance for every
 * {@link #getAspectInstance()} call.
 *
 * @author Rod Johnson
 * @author Juergen Hoeller
 * @since 2.0
 * @see SimpleMetadataAwareAspectInstanceFactory
 */
public class SingletonMetadataAwareAspectInstanceFactory extends SingletonAspectInstanceFactory
		implements MetadataAwareAspectInstanceFactory {

	private final AspectMetadata metadata;


	/**
	 * Create a new SingletonMetadataAwareAspectInstanceFactory for the given aspect.
	 * @param aspectInstance the singleton aspect instance
	 * @param aspectName the name of the aspect
	 */
	public SingletonMetadataAwareAspectInstanceFactory(Object aspectInstance, String aspectName) {
		super(aspectInstance);
		this.metadata = new AspectMetadata(aspectInstance.getClass(), aspectName);
	}


	public final AspectMetadata getAspectMetadata() {
		return this.metadata;
	}

	/**
	 * Check whether the aspect class carries an
	 * {@link org.springframework.core.annotation.Order} annotation,
	 * falling back to <code>Ordered.LOWEST_PRECEDENCE.
	 * @see org.springframework.core.annotation.Order
	 */
	protected int getOrderForAspectClass(Class aspectClass) {
		Order order = (Order) aspectClass.getAnnotation(Order.class);
		if (order != null) {
			return order.value();
		}
		return Ordered.LOWEST_PRECEDENCE;
	}

}

Other Spring Framework examples (source code examples)

Here is a short list of links related to this Spring Framework SingletonMetadataAwareAspectInstanceFactory.java source code file:

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