transaction classes for file poller

TransactionSynchronizationFactory.java

 @Bean
    PseudoTransactionManager transactionManager() {
        return new PseudoTransactionManager();
    }

    @Bean
    TransactionSynchronizationFactory transactionSynchronizationFactory() {
        ExpressionParser parser = new SpelExpressionParser();
        ExpressionEvaluatingTransactionSynchronizationProcessor syncProcessor =
                new ExpressionEvaluatingTransactionSynchronizationProcessor();
        syncProcessor.setBeanFactory(applicationContext.getAutowireCapableBeanFactory());
        syncProcessor.setAfterCommitExpression(parser.parseExpression("payload.renameTo(new java.io.File(@inboundProcessedDirectory.path " +
                " + T(java.io.File).separator + payload.name))"));
        syncProcessor.setAfterRollbackExpression(parser.parseExpression("payload.renameTo(new java.io.File(@inboundFailedDirectory.path " +
                " + T(java.io.File).separator + payload.name))"));
        return new DefaultTransactionSynchronizationFactory(syncProcessor);
    }