Spring(3) BeanDefinition

date
[TOC]

BeanDefinition

BeanDefinition接口的继承关系

BeanDefinition

BeanDefinition接口的实现类

BeanDefinition接口的实现类

RootBeanDefinitionTests

    public void testBeanDefinitionEquality() {
        RootBeanDefinition bd = new RootBeanDefinition(TestBean.class);
        bd.setAbstract(true);
        bd.setLazyInit(true);
        bd.setScope("request");
        RootBeanDefinition otherBd = new RootBeanDefinition(TestBean.class);
        assertTrue(!bd.equals(otherBd));
        assertTrue(!otherBd.equals(bd));
        otherBd.setAbstract(true);
        otherBd.setLazyInit(true);
        otherBd.setScope("request");
        assertTrue(bd.equals(otherBd));
        assertTrue(otherBd.equals(bd));
        assertTrue(bd.hashCode() == otherBd.hashCode());
    }

    public void testBeanDefinitionEqualityWithPropertyValues() {
        RootBeanDefinition bd = new RootBeanDefinition(TestBean.class);
        bd.getPropertyValues().add("name", "myName");
        bd.getPropertyValues().add("age", "99");
        RootBeanDefinition otherBd = new RootBeanDefinition(TestBean.class);
        otherBd.getPropertyValues().add("name", "myName");
        assertTrue(!bd.equals(otherBd));
        assertTrue(!otherBd.equals(bd));
        otherBd.getPropertyValues().add("age", "11");
        assertTrue(!bd.equals(otherBd));
        assertTrue(!otherBd.equals(bd));
        otherBd.getPropertyValues().add("age", "99");
        assertTrue(bd.equals(otherBd));
        assertTrue(otherBd.equals(bd));
        assertTrue(bd.hashCode() == otherBd.hashCode());
    }

    public void testBeanDefinitionEqualityWithConstructorArguments() {
        RootBeanDefinition bd = new RootBeanDefinition(TestBean.class);
        bd.getConstructorArgumentValues().addGenericArgumentValue("test");
        bd.getConstructorArgumentValues().addIndexedArgumentValue(1, new Integer(5));
        RootBeanDefinition otherBd = new RootBeanDefinition(TestBean.class);
        otherBd.getConstructorArgumentValues().addGenericArgumentValue("test");
        assertTrue(!bd.equals(otherBd));
        assertTrue(!otherBd.equals(bd));
        otherBd.getConstructorArgumentValues().addIndexedArgumentValue(1, new Integer(9));
        assertTrue(!bd.equals(otherBd));
        assertTrue(!otherBd.equals(bd));
        otherBd.getConstructorArgumentValues().addIndexedArgumentValue(1, new Integer(5));
        assertTrue(bd.equals(otherBd));
        assertTrue(otherBd.equals(bd));
        assertTrue(bd.hashCode() == otherBd.hashCode());
    }

    public void testBeanDefinitionEqualityWithTypedConstructorArguments() {
        RootBeanDefinition bd = new RootBeanDefinition(TestBean.class);
        bd.getConstructorArgumentValues().addGenericArgumentValue("test", "int");
        bd.getConstructorArgumentValues().addIndexedArgumentValue(1, new Integer(5), "long");
        RootBeanDefinition otherBd = new RootBeanDefinition(TestBean.class);
        otherBd.getConstructorArgumentValues().addGenericArgumentValue("test", "int");
        otherBd.getConstructorArgumentValues().addIndexedArgumentValue(1, new Integer(5));
        assertTrue(!bd.equals(otherBd));
        assertTrue(!otherBd.equals(bd));
        otherBd.getConstructorArgumentValues().addIndexedArgumentValue(1, new Integer(5), "int");
        assertTrue(!bd.equals(otherBd));
        assertTrue(!otherBd.equals(bd));
        otherBd.getConstructorArgumentValues().addIndexedArgumentValue(1, new Integer(5), "long");
        assertTrue(bd.equals(otherBd));
        assertTrue(otherBd.equals(bd));
        assertTrue(bd.hashCode() == otherBd.hashCode());
    }

    public void testBeanDefinitionHolderEquality() {
        RootBeanDefinition bd = new RootBeanDefinition(TestBean.class);
        bd.setAbstract(true);
        bd.setLazyInit(true);
        bd.setScope("request");
        BeanDefinitionHolder holder = new BeanDefinitionHolder(bd, "bd");
        RootBeanDefinition otherBd = new RootBeanDefinition(TestBean.class);
        assertTrue(!bd.equals(otherBd));
        assertTrue(!otherBd.equals(bd));
        otherBd.setAbstract(true);
        otherBd.setLazyInit(true);
        otherBd.setScope("request");
        BeanDefinitionHolder otherHolder = new BeanDefinitionHolder(bd, "bd");
        assertTrue(holder.equals(otherHolder));
        assertTrue(otherHolder.equals(holder));
        assertTrue(holder.hashCode() == otherHolder.hashCode());
    }

    public void testBeanDefinitionMerging() {
        RootBeanDefinition bd = new RootBeanDefinition(TestBean.class);
        bd.getConstructorArgumentValues().addGenericArgumentValue("test");
        bd.getConstructorArgumentValues().addIndexedArgumentValue(1, new Integer(5));
        bd.getPropertyValues().add("name", "myName");
        bd.getPropertyValues().add("age", "99");

        GenericBeanDefinition childBd = new GenericBeanDefinition();
        childBd.setParentName("bd");

        RootBeanDefinition mergedBd = new RootBeanDefinition(bd);
        mergedBd.overrideFrom((BeanDefinition) childBd);
        assertEquals(2, mergedBd.getConstructorArgumentValues().getArgumentCount());
        assertEquals(2, mergedBd.getPropertyValues().size());
        assertEquals(bd, mergedBd);

        mergedBd.getConstructorArgumentValues().getArgumentValue(1, null).setValue(new Integer(9));
        assertEquals(new Integer(5), bd.getConstructorArgumentValues().getArgumentValue(1, null).getValue());
    }

BeanDefinitionHolder

BeanDefinitionHolder是BeanDefinition的包装类，包含1个bean的beanName,和bean的1个到多个别名aliase

BeanDefinitionHolder.png

BeanDefinitionHolder 继承结构

BeanDefinitionHolder 继承结构