| /* |
| * Copyright (C) 2010 Google, Inc. |
| * |
| * 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 com.google.inject.persist; |
| |
| import java.lang.annotation.ElementType; |
| import java.lang.annotation.Inherited; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.annotation.Target; |
| |
| /** |
| * Any method or class marked with this annotation will be considered for transactionality. Consult |
| * the documentation on https://github.com/google/guice/wiki/GuicePersist for detailed semantics. |
| * Marking a method {@code @Transactional} will start a new transaction before the method executes |
| * and commit it after the method returns. |
| * |
| * <p>If the method throws an exception, the transaction will be rolled back <em>unless</em> you |
| * have specifically requested not to in the {@link #ignore()} clause. |
| * |
| * <p>Similarly, the set of exceptions that will trigger a rollback can be defined in the {@link |
| * #rollbackOn()} clause. By default, only unchecked exceptions trigger a rollback. |
| * |
| * @author Dhanji R. Prasanna (dhanji@gmail.com) |
| */ |
| @Target({ElementType.METHOD, ElementType.TYPE}) |
| @Retention(RetentionPolicy.RUNTIME) |
| @Inherited |
| public @interface Transactional { |
| |
| /** |
| * A list of exceptions to rollback on, if thrown by the transactional method. These exceptions |
| * are propagated correctly after a rollback. |
| */ |
| Class<? extends Exception>[] rollbackOn() default RuntimeException.class; |
| |
| /** |
| * A list of exceptions to <b>not<b> rollback on. A caveat to the rollbackOn clause. The |
| * disjunction of rollbackOn and ignore represents the list of exceptions that will trigger a |
| * rollback. The complement of rollbackOn and the universal set plus any exceptions in the ignore |
| * set represents the list of exceptions that will trigger a commit. Note that ignore exceptions |
| * take precedence over rollbackOn, but with subtype granularity. |
| */ |
| Class<? extends Exception>[] ignore() default {}; |
| } |