@Test
public void testFactoryMethodsSingletonOnTargetClass() {
DefaultListableBeanFactory xbf = new DefaultListableBeanFactory();
XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(xbf);
reader.loadBeanDefinitions(new ClassPathResource("factory-methods.xml", getClass()));
TestBean tb = (TestBean) xbf.getBean("defaultTestBean");
assertEquals("defaultInstance", tb.getName());
assertEquals(1, tb.getAge());
FactoryMethods fm = (FactoryMethods) xbf.getBean("default");
assertEquals(0, fm.getNum());
assertEquals("default", fm.getName());
assertEquals("defaultInstance", fm.getTestBean().getName());
assertEquals("setterString", fm.getStringValue());
fm = (FactoryMethods) xbf.getBean("testBeanOnly");
assertEquals(0, fm.getNum());
assertEquals("default", fm.getName());
// This comes from the test bean
assertEquals("Juergen", fm.getTestBean().getName());
fm = (FactoryMethods) xbf.getBean("full");
assertEquals(27, fm.getNum());
assertEquals("gotcha", fm.getName());
assertEquals("Juergen", fm.getTestBean().getName());
FactoryMethods fm2 = (FactoryMethods) xbf.getBean("full");
assertSame(fm, fm2);
xbf.destroySingletons();
assertTrue(tb.wasDestroyed());
}
@Test
public void testInstanceFactoryMethodWithoutArgs() {
DefaultListableBeanFactory xbf = new DefaultListableBeanFactory();
XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(xbf);
reader.loadBeanDefinitions(new ClassPathResource("factory-methods.xml", getClass()));
InstanceFactory.count = 0;
xbf.preInstantiateSingletons();
assertEquals(1, InstanceFactory.count);
FactoryMethods fm = (FactoryMethods) xbf.getBean("instanceFactoryMethodWithoutArgs");
assertEquals("instanceFactory", fm.getTestBean().getName());
assertEquals(1, InstanceFactory.count);
FactoryMethods fm2 = (FactoryMethods) xbf.getBean("instanceFactoryMethodWithoutArgs");
assertEquals("instanceFactory", fm2.getTestBean().getName());
assertSame(fm2, fm);
assertEquals(1, InstanceFactory.count);
}
@Test
public void testFactoryMethodsWithAutowire() {
DefaultListableBeanFactory xbf = new DefaultListableBeanFactory();
XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(xbf);
reader.loadBeanDefinitions(new ClassPathResource("factory-methods.xml", getClass()));
FactoryMethods fm = (FactoryMethods) xbf.getBean("fullWithAutowire");
assertEquals(27, fm.getNum());
assertEquals("gotchaAutowired", fm.getName());
assertEquals("Juergen", fm.getTestBean().getName());
}
@Test
public void testFactoryMethodsPrototypeOnTargetClass() {
DefaultListableBeanFactory xbf = new DefaultListableBeanFactory();
XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(xbf);
reader.loadBeanDefinitions(new ClassPathResource("factory-methods.xml", getClass()));
FactoryMethods fm = (FactoryMethods) xbf.getBean("defaultPrototype");
FactoryMethods fm2 = (FactoryMethods) xbf.getBean("defaultPrototype");
assertEquals(0, fm.getNum());
assertEquals("default", fm.getName());
assertEquals("defaultInstance", fm.getTestBean().getName());
assertEquals("setterString", fm.getStringValue());
assertEquals(fm.getNum(), fm2.getNum());
assertEquals(fm.getStringValue(), fm2.getStringValue());
// The TestBean is created separately for each bean
assertNotSame(fm.getTestBean(), fm2.getTestBean());
assertNotSame(fm, fm2);
fm = (FactoryMethods) xbf.getBean("testBeanOnlyPrototype");
fm2 = (FactoryMethods) xbf.getBean("testBeanOnlyPrototype");
assertEquals(0, fm.getNum());
assertEquals("default", fm.getName());
// This comes from the test bean
assertEquals("Juergen", fm.getTestBean().getName());
assertEquals(fm.getNum(), fm2.getNum());
assertEquals(fm.getStringValue(), fm2.getStringValue());
// The TestBean reference is resolved to a prototype in the factory
assertSame(fm.getTestBean(), fm2.getTestBean());
assertNotSame(fm, fm2);
fm = (FactoryMethods) xbf.getBean("fullPrototype");
fm2 = (FactoryMethods) xbf.getBean("fullPrototype");
assertEquals(27, fm.getNum());
assertEquals("gotcha", fm.getName());
assertEquals("Juergen", fm.getTestBean().getName());
assertEquals(fm.getNum(), fm2.getNum());
assertEquals(fm.getStringValue(), fm2.getStringValue());
// The TestBean reference is resolved to a prototype in the factory
assertSame(fm.getTestBean(), fm2.getTestBean());
assertNotSame(fm, fm2);
}
@Test
public void testCanSpecifyFactoryMethodArgumentsOnFactoryMethodPrototype() {
DefaultListableBeanFactory xbf = new DefaultListableBeanFactory();
XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(xbf);
reader.loadBeanDefinitions(new ClassPathResource("factory-methods.xml", getClass()));
TestBean tbArg = new TestBean();
tbArg.setName("arg1");
TestBean tbArg2 = new TestBean();
tbArg2.setName("arg2");
FactoryMethods fm1 = (FactoryMethods) xbf.getBean("testBeanOnlyPrototype", tbArg);
assertEquals(0, fm1.getNum());
assertEquals("default", fm1.getName());
// This comes from the test bean
assertEquals("arg1", fm1.getTestBean().getName());
FactoryMethods fm2 = (FactoryMethods) xbf.getBean("testBeanOnlyPrototype", tbArg2);
assertEquals("arg2", fm2.getTestBean().getName());
assertEquals(fm1.getNum(), fm2.getNum());
assertEquals(fm2.getStringValue(), "testBeanOnlyPrototypeDISetterString");
assertEquals(fm2.getStringValue(), fm2.getStringValue());
// The TestBean reference is resolved to a prototype in the factory
assertSame(fm2.getTestBean(), fm2.getTestBean());
assertNotSame(fm1, fm2);
FactoryMethods fm3 =
(FactoryMethods) xbf.getBean("testBeanOnlyPrototype", tbArg2, new Integer(1), "myName");
assertEquals(1, fm3.getNum());
assertEquals("myName", fm3.getName());
assertEquals("arg2", fm3.getTestBean().getName());
FactoryMethods fm4 = (FactoryMethods) xbf.getBean("testBeanOnlyPrototype", tbArg);
assertEquals(0, fm4.getNum());
assertEquals("default", fm4.getName());
assertEquals("arg1", fm4.getTestBean().getName());
}