Spring Framework example source code file (SharedBeanRegistryTests.java)

This example Spring Framework source code file (SharedBeanRegistryTests.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

beansexception, defaultsingletonbeanregistry, defaultsingletonbeanregistry, derivedtestbean, derivedtestbean, object, object, objectfactory, sharedbeanregistrytests, testbean, testbean, testcase, util

The Spring Framework SharedBeanRegistryTests.java source code

/*
 * Copyright 2002-2006 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.beans.factory;

import java.util.Arrays;

import junit.framework.TestCase;

import org.springframework.beans.BeansException;
import org.springframework.beans.DerivedTestBean;
import org.springframework.beans.TestBean;
import org.springframework.beans.factory.support.DefaultSingletonBeanRegistry;

/**
 * @author Juergen Hoeller
 * @since 04.07.2006
 */
public class SharedBeanRegistryTests extends TestCase {

	public void testSingletons() {
		DefaultSingletonBeanRegistry beanRegistry = new DefaultSingletonBeanRegistry();

		TestBean tb = new TestBean();
		beanRegistry.registerSingleton("tb", tb);
		assertSame(tb, beanRegistry.getSingleton("tb"));

		TestBean tb2 = (TestBean) beanRegistry.getSingleton("tb2", new ObjectFactory() {
			public Object getObject() throws BeansException {
				return new TestBean();
			}
		});
		assertSame(tb2, beanRegistry.getSingleton("tb2"));

		assertSame(tb, beanRegistry.getSingleton("tb"));
		assertSame(tb2, beanRegistry.getSingleton("tb2"));
		assertEquals(2, beanRegistry.getSingletonCount());
		assertEquals(2, beanRegistry.getSingletonNames().length);
		assertTrue(Arrays.asList(beanRegistry.getSingletonNames()).contains("tb"));
		assertTrue(Arrays.asList(beanRegistry.getSingletonNames()).contains("tb2"));

		beanRegistry.destroySingletons();
		assertEquals(0, beanRegistry.getSingletonCount());
		assertEquals(0, beanRegistry.getSingletonNames().length);
	}

	public void testDisposableBean() {
		DefaultSingletonBeanRegistry beanRegistry = new DefaultSingletonBeanRegistry();

		DerivedTestBean tb = new DerivedTestBean();
		beanRegistry.registerSingleton("tb", tb);
		beanRegistry.registerDisposableBean("tb", tb);
		assertSame(tb, beanRegistry.getSingleton("tb"));

		assertSame(tb, beanRegistry.getSingleton("tb"));
		assertEquals(1, beanRegistry.getSingletonCount());
		assertEquals(1, beanRegistry.getSingletonNames().length);
		assertTrue(Arrays.asList(beanRegistry.getSingletonNames()).contains("tb"));
		assertFalse(tb.wasDestroyed());

		beanRegistry.destroySingletons();
		assertEquals(0, beanRegistry.getSingletonCount());
		assertEquals(0, beanRegistry.getSingletonNames().length);
		assertTrue(tb.wasDestroyed());
	}

}