1 | /** |
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2 | * MailArchiver is an application that provides services for storing and managing e-mail messages through a Web Services SOAP interface. |
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3 | * Copyright (C) 2012 Marcio Andre Scholl Levien and Fernando Alberto Reuter Wendt and Jose Ronaldo Nogueira Fonseca Junior |
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4 | * |
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5 | * This program is free software: you can redistribute it and/or modify |
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6 | * it under the terms of the GNU Affero General Public License as |
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7 | * published by the Free Software Foundation, either version 3 of the |
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8 | * License, or (at your option) any later version. |
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9 | * |
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10 | * This program is distributed in the hope that it will be useful, |
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 | * GNU Affero General Public License for more details. |
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14 | * |
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15 | * You should have received a copy of the GNU Affero General Public License |
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16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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17 | */ |
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18 | |
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19 | /******************************************************************************\ |
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20 | * |
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21 | * This product was developed by |
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22 | * |
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23 | * SERVIÃO FEDERAL DE PROCESSAMENTO DE DADOS (SERPRO), |
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24 | * |
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25 | * a government company established under Brazilian law (5.615/70), |
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26 | * at Department of Development of Porto Alegre. |
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27 | * |
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28 | \******************************************************************************/ |
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29 | |
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30 | package serpro.mailarchiver.util.transaction; |
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31 | |
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32 | import org.springframework.beans.factory.annotation.Autowired; |
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33 | import org.springframework.beans.factory.annotation.Configurable; |
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34 | import org.springframework.orm.jdo.TransactionAwarePersistenceManagerFactoryProxy; |
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35 | |
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36 | import serpro.mailarchiver.util.jdo.PersistenceManager; |
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37 | import serpro.mailarchiver.util.jdo.PersistenceManagerFactory; |
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38 | |
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39 | @Configurable |
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40 | public abstract class ReadOnlyTx { |
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41 | |
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42 | @Autowired |
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43 | private TransactionAwarePersistenceManagerFactoryProxy pmfProxy; |
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44 | |
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45 | protected PersistenceManagerFactory getTargetPersistenceManagerFactory() { |
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46 | return (PersistenceManagerFactory) pmfProxy.getTargetPersistenceManagerFactory(); |
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47 | } |
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48 | |
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49 | protected PersistenceManager getPersistenceManager() { |
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50 | return (PersistenceManager) pmfProxy.getObject().getPersistenceManager(); |
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51 | } |
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52 | |
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53 | @WithReadOnlyTx |
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54 | private void runTx(Object... args) { |
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55 | run(args); |
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56 | } |
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57 | |
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58 | protected abstract void run(Object... args); |
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59 | |
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60 | protected void commited() {} |
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61 | |
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62 | protected void rolledBack(Throwable t) {} |
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63 | |
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64 | public final void start(Object... args) { |
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65 | try { |
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66 | runTx(args); |
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67 | commited(); |
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68 | } |
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69 | catch(Throwable t) { |
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70 | rolledBack(t); |
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71 | } |
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72 | } |
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73 | } |
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