@Transactional qualifier value matches against @Qualifier annotations on @Bean methods as well (SPR-7232)

git-svn-id: https://src.springframework.org/svn/spring-framework/trunk@3368 50f2f4bb-b051-0410-bef5-90022cba6387

org.springframework.transaction/src/main/java/org/springframework/transaction/interceptor/TransactionAspectUtils.java

@@ -16,6 +16,7 @@
 
 package org.springframework.transaction.interceptor;
 
+import java.lang.reflect.Method;
 import java.util.Map;
 
 import org.springframework.beans.factory.BeanFactory;
@@ -25,6 +26,7 @@ import org.springframework.beans.factory.config.BeanDefinition;
 import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
 import org.springframework.beans.factory.support.AbstractBeanDefinition;
 import org.springframework.beans.factory.support.AutowireCandidateQualifier;
+import org.springframework.beans.factory.support.RootBeanDefinition;
 import org.springframework.transaction.PlatformTransactionManager;
 import org.springframework.util.ObjectUtils;
 
@@ -64,7 +66,7 @@ public abstract class TransactionAspectUtils {
 	/**
 	 * Obtain a PlatformTransactionManager from the given BeanFactory,
 	 * matching the given qualifier.
-	 * @param beanFactory the BeanFactory to get the PlatformTransactionManager bean from
+	 * @param bf the BeanFactory to get the PlatformTransactionManager bean from
 	 * @param qualifier the qualifier for selecting between multiple PlatformTransactionManager matches
 	 * @return the chosen PlatformTransactionManager (never <code>null</code>)
 	 * @throws IllegalStateException if no matching PlatformTransactionManager bean found
@@ -74,20 +76,12 @@ public abstract class TransactionAspectUtils {
 				BeanFactoryUtils.beansOfTypeIncludingAncestors(bf, PlatformTransactionManager.class);
 		PlatformTransactionManager chosen = null;
 		for (String beanName : tms.keySet()) {
-			if (bf.containsBeanDefinition(beanName)) {
-				BeanDefinition bd = bf.getBeanDefinition(beanName);
-				if (bd instanceof AbstractBeanDefinition) {
-					AbstractBeanDefinition abd = (AbstractBeanDefinition) bd;
-					AutowireCandidateQualifier candidate = abd.getQualifier(Qualifier.class.getName());
-					if ((candidate != null && qualifier.equals(candidate.getAttribute(AutowireCandidateQualifier.VALUE_KEY))) ||
-							qualifier.equals(beanName) || ObjectUtils.containsElement(bf.getAliases(beanName), qualifier)) {
-						if (chosen != null) {
-							throw new IllegalStateException("No unique PlatformTransactionManager bean found " +
-									"for qualifier '" + qualifier + "'");
-						}
-						chosen = tms.get(beanName);
-					}
+			if (isQualifierMatch(qualifier, beanName, bf)) {
+				if (chosen != null) {
+					throw new IllegalStateException("No unique PlatformTransactionManager bean found " +
+							"for qualifier '" + qualifier + "'");
 				}
+				chosen = tms.get(beanName);
 			}
 		}
 		if (chosen != null) {
@@ -99,4 +93,37 @@ public abstract class TransactionAspectUtils {
 		}
 	}
 
+	/**
+	 * Check whether we have a qualifier match for the given candidate bean.
+	 * @param qualifier the qualifier that we are looking for
+	 * @param beanName the name of the candidate bean
+	 * @param bf the BeanFactory to get the bean definition from
+	 * @return <code>true</code> if either the bean definition (in the XML case)
+	 * or the bean's factory method (in the @Bean case) defines a matching qualifier
+	 * value (through &lt;qualifier<&gt; or @Qualifier)
+	 */
+	private static boolean isQualifierMatch(String qualifier, String beanName, ConfigurableListableBeanFactory bf) {
+		if (bf.containsBeanDefinition(beanName)) {
+			BeanDefinition bd = bf.getMergedBeanDefinition(beanName);
+			if (bd instanceof AbstractBeanDefinition) {
+				AbstractBeanDefinition abd = (AbstractBeanDefinition) bd;
+				AutowireCandidateQualifier candidate = abd.getQualifier(Qualifier.class.getName());
+				if ((candidate != null && qualifier.equals(candidate.getAttribute(AutowireCandidateQualifier.VALUE_KEY))) ||
+						qualifier.equals(beanName) || ObjectUtils.containsElement(bf.getAliases(beanName), qualifier)) {
+					return true;
+				}
+			}
+			if (bd instanceof RootBeanDefinition) {
+				Method factoryMethod = ((RootBeanDefinition) bd).getResolvedFactoryMethod();
+				if (factoryMethod != null) {
+					Qualifier targetAnnotation = factoryMethod.getAnnotation(Qualifier.class);
+					if (targetAnnotation != null && qualifier.equals(targetAnnotation.value())) {
+						return true;
+					}
+				}
+			}
+		}
+		return false;
+	}
+
 }

org.springframework.transaction/src/test/java/org/springframework/transaction/config/AnnotationDrivenTests.java

@@ -54,6 +54,26 @@ public class AnnotationDrivenTests extends TestCase {
 		assertEquals(2, tm2.commits);
 	}
 
+	public void testWithConfigurationClass() throws Exception {
+		ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("annotationDrivenConfigurationClassTests.xml", getClass());
+		CallCountingTransactionManager tm1 = context.getBean("transactionManager1", CallCountingTransactionManager.class);
+		CallCountingTransactionManager tm2 = context.getBean("transactionManager2", CallCountingTransactionManager.class);
+		TransactionalService service = context.getBean("service", TransactionalService.class);
+		assertTrue(AopUtils.isCglibProxy(service));
+		service.setSomething("someName");
+		assertEquals(1, tm1.commits);
+		assertEquals(0, tm2.commits);
+		service.doSomething();
+		assertEquals(1, tm1.commits);
+		assertEquals(1, tm2.commits);
+		service.setSomething("someName");
+		assertEquals(2, tm1.commits);
+		assertEquals(1, tm2.commits);
+		service.doSomething();
+		assertEquals(2, tm1.commits);
+		assertEquals(2, tm2.commits);
+	}
+
 	public void testSerializableWithPreviousUsage() throws Exception {
 		ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("annotationDrivenProxyTargetClassTests.xml", getClass());
 		TransactionalService service = context.getBean("service", TransactionalService.class);

org.springframework.transaction/src/test/java/org/springframework/transaction/config/TransactionManagerConfiguration.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2002-2010 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.transaction.config;
+
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.transaction.CallCountingTransactionManager;
+import org.springframework.transaction.PlatformTransactionManager;
+
+/**
+ * @author Juergen Hoeller
+ */
+@Configuration
+public class TransactionManagerConfiguration {
+
+	@Bean
+	@Qualifier("synch")
+	public PlatformTransactionManager transactionManager1() {
+		return new CallCountingTransactionManager();
+	}
+
+	@Bean
+	@Qualifier("noSynch")
+	public PlatformTransactionManager transactionManager2() {
+		CallCountingTransactionManager tm = new CallCountingTransactionManager();
+		tm.setTransactionSynchronization(CallCountingTransactionManager.SYNCHRONIZATION_NEVER);
+		return tm;
+	}
+
+}

org.springframework.transaction/src/test/java/org/springframework/transaction/config/annotationDrivenConfigurationClassTests.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xmlns:aop="http://www.springframework.org/schema/aop"
+	   xmlns:context="http://www.springframework.org/schema/context"
+       xmlns:tx="http://www.springframework.org/schema/tx"
+       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
+       		http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
+       		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd
+       		http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">
+
+	<context:annotation-config/>
+
+	<tx:annotation-driven proxy-target-class="true" order="0"/>
+
+	<aop:config>
+		<aop:advisor advice-ref="txCheckingInterceptor" pointcut="execution(* *..TransactionalService.*(..))" order="1"/>
+	</aop:config>
+
+	<bean id="txCheckingInterceptor" class="org.springframework.transaction.config.AnnotationDrivenTests$TransactionCheckingInterceptor"/>
+
+	<bean id="transactionManagerConfig" class="org.springframework.transaction.config.TransactionManagerConfiguration"/>
+
+	<bean id="service" class="org.springframework.transaction.config.TransactionalService"/>
+
+</beans>