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Java > Open Source Codes > org > springframework > aop > target > PrototypeTargetSource


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.target;
18
19 import org.springframework.beans.BeansException;
20
21 /**
22  * TargetSource that creates a new instance of the target bean for each
23  * request, destroying each instance on release (after each request).
24  * Obtains bean instances from its containing
25  * {@link org.springframework.beans.factory.BeanFactory}.
26  *
27  * @author Rod Johnson
28  * @author Juergen Hoeller
29  * @see #setBeanFactory
30  * @see #setTargetBeanName
31  */
32 public class PrototypeTargetSource extends AbstractPrototypeBasedTargetSource {
33
34     /**
35      * Obtain a new prototype instance for every call.
36      * @see #newPrototypeInstance()
37      */
38     public Object JavaDoc getTarget() throws BeansException {
39         return newPrototypeInstance();
40     }
41
42     /**
43      * Destroy the given independent instance.
44      * @see #destroyPrototypeInstance
45      */
46     public void releaseTarget(Object JavaDoc target) {
47         destroyPrototypeInstance(target);
48     }
49
50     public String JavaDoc toString() {
51         return "PrototypeTargetSource for target bean with name '" + getTargetBeanName() + "'";
52     }
53
54 }
55
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