01: /*
02: * Copyright 2002-2007 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
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
33: AbstractPrototypeBasedTargetSource {
34:
35: /**
36: * Obtain a new prototype instance for every call.
37: * @see #newPrototypeInstance()
38: */
39: public Object getTarget() throws BeansException {
40: return newPrototypeInstance();
41: }
42:
43: /**
44: * Destroy the given independent instance.
45: * @see #destroyPrototypeInstance
46: */
47: public void releaseTarget(Object target) {
48: destroyPrototypeInstance(target);
49: }
50:
51: public String toString() {
52: return "PrototypeTargetSource for target bean with name '"
53: + getTargetBeanName() + "'";
54: }
55:
56: }
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