org.springframework.transaction.annotation.TransactionAnnotationParser Maven / Gradle / Ivy
/*
* Copyright 2002-2018 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
*
* https://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.annotation;
import java.lang.reflect.AnnotatedElement;
import org.springframework.lang.Nullable;
import org.springframework.transaction.interceptor.TransactionAttribute;
/**
* Strategy interface for parsing known transaction annotation types.
* {@link AnnotationTransactionAttributeSource} delegates to such
* parsers for supporting specific annotation types such as Spring's own
* {@link Transactional}, JTA 1.2's {@link javax.transaction.Transactional}
* or EJB3's {@link javax.ejb.TransactionAttribute}.
*
* @author Juergen Hoeller
* @since 2.5
* @see AnnotationTransactionAttributeSource
* @see SpringTransactionAnnotationParser
* @see Ejb3TransactionAnnotationParser
* @see JtaTransactionAnnotationParser
*/
public interface TransactionAnnotationParser {
/**
* Parse the transaction attribute for the given method or class,
* based on an annotation type understood by this parser.
* This essentially parses a known transaction annotation into Spring's metadata
* attribute class. Returns {@code null} if the method/class is not transactional.
* @param element the annotated method or class
* @return the configured transaction attribute, or {@code null} if none found
* @see AnnotationTransactionAttributeSource#determineTransactionAttribute
*/
@Nullable
TransactionAttribute parseTransactionAnnotation(AnnotatedElement element);
}