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Spring Framework example source code file (AbstractTransactionAspect.aj)
The Spring Framework AbstractTransactionAspect.aj source code/* * Copyright 2002-2007 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.aspectj; import java.lang.reflect.Method; import org.aspectj.lang.annotation.SuppressAjWarnings; import org.aspectj.lang.reflect.MethodSignature; import org.springframework.transaction.interceptor.TransactionAspectSupport; import org.springframework.transaction.interceptor.TransactionAttributeSource; /** * Abstract superaspect for AspectJ transaction aspects. Concrete * subaspects will implement the <code>transactionalMethodExecution() * pointcut using a strategy such as Java 5 annotations. * * <p>Suitable for use inside or outside the Spring IoC container. * Set the "transactionManager" property appropriately, allowing * use of any transaction implementation supported by Spring. * * <p>NB: If a method implements an interface that is itself * transactionally annotated, the relevant Spring transaction attribute * will <i>not be resolved. This behavior will vary from that of Spring AOP * if proxying an interface (but not when proxying a class). We recommend that * transaction annotations should be added to classes, rather than business * interfaces, as they are an implementation detail rather than a contract * specification validation. * * @author Rod Johnson * @author Ramnivas Laddad * @since 2.0 */ public abstract aspect AbstractTransactionAspect extends TransactionAspectSupport { /** * Construct object using the given transaction metadata retrieval strategy. * @param tas TransactionAttributeSource implementation, retrieving Spring * transaction metadata for each joinpoint. Write the subclass to pass in null * if it's intended to be configured by Setter Injection. */ protected AbstractTransactionAspect(TransactionAttributeSource tas) { setTransactionAttributeSource(tas); } @SuppressAjWarnings("adviceDidNotMatch") before(Object txObject) : transactionalMethodExecution(txObject) { MethodSignature methodSignature = (MethodSignature) thisJoinPoint.getSignature(); Method method = methodSignature.getMethod(); TransactionInfo txInfo = createTransactionIfNecessary(method, txObject.getClass()); } @SuppressAjWarnings("adviceDidNotMatch") after(Object txObject) throwing(Throwable t) : transactionalMethodExecution(txObject) { try { completeTransactionAfterThrowing(TransactionAspectSupport.currentTransactionInfo(), t); } catch (Throwable t2) { logger.error("Failed to close transaction after throwing in a transactional method", t2); } } @SuppressAjWarnings("adviceDidNotMatch") after(Object txObject) returning() : transactionalMethodExecution(txObject) { commitTransactionAfterReturning(TransactionAspectSupport.currentTransactionInfo()); } @SuppressAjWarnings("adviceDidNotMatch") after(Object txObject) : transactionalMethodExecution(txObject) { cleanupTransactionInfo(TransactionAspectSupport.currentTransactionInfo()); } /** * Concrete subaspects must implement this pointcut, to identify * transactional methods. For each selected joinpoint, TransactionMetadata * will be retrieved using Spring's TransactionAttributeSource interface. */ protected abstract pointcut transactionalMethodExecution(Object txObject); } Other Spring Framework examples (source code examples)Here is a short list of links related to this Spring Framework AbstractTransactionAspect.aj source code file: |
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