/*
* Copyright 2002-2016 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.context.annotation;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import org.junit.Test;
import org.springframework.beans.factory.NoSuchBeanDefinitionException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.tests.sample.beans.TestBean;
import static org.junit.Assert.*;
/**
* @author Juergen Hoeller
* @since 4.0
*/
public class LazyAutowiredAnnotationBeanPostProcessorTests {
private void doTestLazyResourceInjection(Class<? extends TestBeanHolder> annotatedBeanClass) {
AnnotationConfigApplicationContext ac = new AnnotationConfigApplicationContext();
RootBeanDefinition abd = new RootBeanDefinition(annotatedBeanClass);
abd.setScope(RootBeanDefinition.SCOPE_PROTOTYPE);
ac.registerBeanDefinition("annotatedBean", abd);
RootBeanDefinition tbd = new RootBeanDefinition(TestBean.class);
tbd.setLazyInit(true);
ac.registerBeanDefinition("testBean", tbd);
ac.refresh();
TestBeanHolder bean = ac.getBean("annotatedBean", TestBeanHolder.class);
assertFalse(ac.getBeanFactory().containsSingleton("testBean"));
assertNotNull(bean.getTestBean());
assertNull(bean.getTestBean().getName());
assertTrue(ac.getBeanFactory().containsSingleton("testBean"));
TestBean tb = (TestBean) ac.getBean("testBean");
tb.setName("tb");
assertSame("tb", bean.getTestBean().getName());
}
@Test
public void testLazyResourceInjectionWithField() {
doTestLazyResourceInjection(FieldResourceInjectionBean.class);
}
@Test
public void testLazyResourceInjectionWithFieldAndCustomAnnotation() {
doTestLazyResourceInjection(FieldResourceInjectionBeanWithCompositeAnnotation.class);
}
@Test
public void testLazyResourceInjectionWithMethod() {
doTestLazyResourceInjection(MethodResourceInjectionBean.class);
}
@Test
public void testLazyResourceInjectionWithMethodLevelLazy() {
doTestLazyResourceInjection(MethodResourceInjectionBeanWithMethodLevelLazy.class);
}
@Test
public void testLazyResourceInjectionWithMethodAndCustomAnnotation() {
doTestLazyResourceInjection(MethodResourceInjectionBeanWithCompositeAnnotation.class);
}
@Test
public void testLazyResourceInjectionWithConstructor() {
doTestLazyResourceInjection(ConstructorResourceInjectionBean.class);
}
@Test
public void testLazyResourceInjectionWithConstructorLevelLazy() {
doTestLazyResourceInjection(ConstructorResourceInjectionBeanWithConstructorLevelLazy.class);
}
@Test
public void testLazyResourceInjectionWithConstructorAndCustomAnnotation() {
doTestLazyResourceInjection(ConstructorResourceInjectionBeanWithCompositeAnnotation.class);
}
@Test
public void testLazyResourceInjectionWithNonExistingTarget() {
DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
bf.setAutowireCandidateResolver(new ContextAnnotationAutowireCandidateResolver());
AutowiredAnnotationBeanPostProcessor bpp = new AutowiredAnnotationBeanPostProcessor();
bpp.setBeanFactory(bf);
bf.addBeanPostProcessor(bpp);
RootBeanDefinition bd = new RootBeanDefinition(FieldResourceInjectionBean.class);
bd.setScope(RootBeanDefinition.SCOPE_PROTOTYPE);
bf.registerBeanDefinition("annotatedBean", bd);
FieldResourceInjectionBean bean = (FieldResourceInjectionBean) bf.getBean("annotatedBean");
assertNotNull(bean.getTestBean());
try {
bean.getTestBean().getName();
fail("Should have thrown NoSuchBeanDefinitionException");
}
catch (NoSuchBeanDefinitionException ex) {
// expected;
}
}
@Test
public void testLazyOptionalResourceInjectionWithNonExistingTarget() {
DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
bf.setAutowireCandidateResolver(new ContextAnnotationAutowireCandidateResolver());
AutowiredAnnotationBeanPostProcessor bpp = new AutowiredAnnotationBeanPostProcessor();
bpp.setBeanFactory(bf);
bf.addBeanPostProcessor(bpp);
RootBeanDefinition bd = new RootBeanDefinition(OptionalFieldResourceInjectionBean.class);
bd.setScope(RootBeanDefinition.SCOPE_PROTOTYPE);
bf.registerBeanDefinition("annotatedBean", bd);
OptionalFieldResourceInjectionBean bean = (OptionalFieldResourceInjectionBean) bf.getBean("annotatedBean");
assertNotNull(bean.getTestBean());
try {
bean.getTestBean().getName();
fail("Should have thrown NoSuchBeanDefinitionException");
}
catch (NoSuchBeanDefinitionException ex) {
// expected;
}
}
public interface TestBeanHolder {
TestBean getTestBean();
}
public static class FieldResourceInjectionBean implements TestBeanHolder {
@Autowired @Lazy
private TestBean testBean;
public TestBean getTestBean() {
return this.testBean;
}
}
public static class OptionalFieldResourceInjectionBean implements TestBeanHolder {
@Autowired(required = false) @Lazy
private TestBean testBean;
public TestBean getTestBean() {
return this.testBean;
}
}
public static class FieldResourceInjectionBeanWithCompositeAnnotation implements TestBeanHolder {
@LazyInject
private TestBean testBean;
public TestBean getTestBean() {
return this.testBean;
}
}
public static class MethodResourceInjectionBean implements TestBeanHolder {
private TestBean testBean;
@Autowired
public void setTestBean(@Lazy TestBean testBean) {
if (this.testBean != null) {
throw new IllegalStateException("Already called");
}
this.testBean = testBean;
}
public TestBean getTestBean() {
return this.testBean;
}
}
public static class MethodResourceInjectionBeanWithMethodLevelLazy implements TestBeanHolder {
private TestBean testBean;
@Autowired @Lazy
public void setTestBean(TestBean testBean) {
if (this.testBean != null) {
throw new IllegalStateException("Already called");
}
this.testBean = testBean;
}
public TestBean getTestBean() {
return this.testBean;
}
}
public static class MethodResourceInjectionBeanWithCompositeAnnotation implements TestBeanHolder {
private TestBean testBean;
@LazyInject
public void setTestBean(TestBean testBean) {
if (this.testBean != null) {
throw new IllegalStateException("Already called");
}
this.testBean = testBean;
}
public TestBean getTestBean() {
return this.testBean;
}
}
public static class ConstructorResourceInjectionBean implements TestBeanHolder {
private final TestBean testBean;
@Autowired
public ConstructorResourceInjectionBean(@Lazy TestBean testBean) {
this.testBean = testBean;
}
public TestBean getTestBean() {
return this.testBean;
}
}
public static class ConstructorResourceInjectionBeanWithConstructorLevelLazy implements TestBeanHolder {
private final TestBean testBean;
@Autowired @Lazy
public ConstructorResourceInjectionBeanWithConstructorLevelLazy(TestBean testBean) {
this.testBean = testBean;
}
public TestBean getTestBean() {
return this.testBean;
}
}
public static class ConstructorResourceInjectionBeanWithCompositeAnnotation implements TestBeanHolder {
private final TestBean testBean;
@LazyInject
public ConstructorResourceInjectionBeanWithCompositeAnnotation(TestBean testBean) {
this.testBean = testBean;
}
public TestBean getTestBean() {
return this.testBean;
}
}
@Autowired @Lazy
@Retention(RetentionPolicy.RUNTIME)
public @interface LazyInject {
}
}