Question

长期以来，我一直在努力解决这个问题，有人遇到过这种问题吗？我需要根据特定条件致电作家，所以我尝试使用分类器，但是我的分类器没有被调用，并且所有的书写器都没有被调用。我正在使用Spring Batch 3

我长期以来一直在努力解决这个问题，有人遇到过这种问题吗？

@Configuration
public class JobConfiguration implements SqlConstants {

@Autowired
public JobBuilderFactory jobBuilderFactory;

@Autowired
public StepBuilderFactory stepBuilderFactory;

@Autowired
public DataSource dataSource;

@Bean
public JdbcCursorItemReader<Notification> reader() {
    JdbcCursorItemReader<Notification> reader = new JdbcCursorItemReader<Notification>();
    reader.setDataSource(dataSource);
    reader.setSql(SqlConstants.SQL_GET_ALL_NOTIFICAITON_TO_BE_SENT);
    reader.setRowMapper(new BeanPropertyRowMapper<>(Notification.class));
    return reader;
}

@Bean
public NotificationItemProcessor notificatonProcessor() {
    return new NotificationItemProcessor();
}

@Bean
public JdbcBatchItemWriter<Notification> notificationWriter() {
    JdbcBatchItemWriter<Notification> writer = new JdbcBatchItemWriter<Notification>();
    writer.setItemSqlParameterSourceProvider(new BeanPropertyItemSqlParameterSourceProvider<Notification>());
    writer.setSql(SqlConstants.SQL_SET_NOTIICAITON_STATUS_TO_SENT);
    writer.setDataSource(dataSource);
    return writer;
}

@Bean
public JdbcBatchItemWriter<Notification> exchangeWorkflowWriter() {
    JdbcBatchItemWriter<Notification> writer = new JdbcBatchItemWriter<Notification>();
    writer.setItemSqlParameterSourceProvider(new BeanPropertyItemSqlParameterSourceProvider<Notification>());
    writer.setSql(SqlConstants.SQL_INSERT_EXCHANGE_WORKFLOW);
    writer.setDataSource(dataSource);
    return writer;
}

@Bean
public JdbcBatchItemWriter<Notification> exchangeWriter() {
    JdbcBatchItemWriter<Notification> writer = new JdbcBatchItemWriter<Notification>();
    writer.setItemSqlParameterSourceProvider(new BeanPropertyItemSqlParameterSourceProvider<Notification>());
    writer.setSql(SqlConstants.SQL_INSERT_EXCHANGE);
    writer.setDataSource(dataSource);
    return writer;
}

@Bean
public DummyWriter doNothing() {
    return new DummyWriter();
}

@SuppressWarnings("unchecked")
@Bean
public ItemWriter<Notification> compositeExchangeWriter() throws InstantiationException, IllegalAccessException {
    BackToBackPatternClassifier classifier = new BackToBackPatternClassifier();
    classifier.setRouterDelegate(new ExchangeWriterRouterClassifier());

    classifier.setMatcherMap(new HashMap<String, ItemWriter<? extends Notification>>() {
        {
            put(ExchangeRouter.INSERT_EXCHANGE_FOR_NOTIFICATION.getActionName(), exchangeWorkflowWriter());
            put(ExchangeRouter.INSERT_EXCHANGE_FOR_PACK.getActionName(), exchangeWriter());
            put(ExchangeRouter.DO_NOTHING.getActionName(), doNothing());
        }
    });

    ClassifierCompositeItemWriter<Notification> writer = new ClassifierCompositeItemWriter<Notification>();
    writer.setClassifier(classifier);
    return writer;
}

@Bean
public Job generatePdf(JobCompletionNotificationListener listener) throws InstantiationException, IllegalAccessException {
    return jobBuilderFactory.get("generatePdf")
            .incrementer(new RunIdIncrementer())
            .flow(treatStock())
            .end()
            .build();
}

@Bean
public Step treatStock() throws InstantiationException, IllegalAccessException {
    return stepBuilderFactory.get("treatStock")
            .<Notification, Notification>chunk(1)
            .reader(reader())
            .processor(notificatonProcessor())
            .writer(compositeExchangeWriter())
            .build();
}

}

Spring Batch 3 Classifier没有被调用

0 个答案: