文章目录
Spring事务的实现要点
org.springframework.transaction.support.TransactionTemplate#execute
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public <T> T (TransactionCallback<T> action) throws TransactionException { if (this.transactionManager instanceof CallbackPreferringPlatformTransactionManager) { return ((CallbackPreferringPlatformTransactionManager) this.transactionManager).execute(this, action); } else { TransactionStatus status = this.transactionManager.getTransaction(this); T result; try { result = action.doInTransaction(status); } catch (RuntimeException ex) { rollbackOnException(status, ex); throw ex; } catch (Error err) { rollbackOnException(status, err); throw err; } catch (Throwable ex) { rollbackOnException(status, ex); throw new UndeclaredThrowableException(ex, "TransactionCallback threw undeclared checked exception"); } this.transactionManager.commit(status); return result; } }
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