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| 1 | +package hello.sample; |
| 2 | + |
| 3 | +import java.util.HashMap; |
| 4 | +import java.util.Map; |
| 5 | + |
| 6 | +import org.springframework.batch.item.database.JdbcBatchItemWriter; |
| 7 | +import org.springframework.batch.item.database.JdbcPagingItemReader; |
| 8 | +import org.springframework.batch.item.database.Order; |
| 9 | +import org.springframework.batch.item.database.support.ColumnMapItemPreparedStatementSetter; |
| 10 | +import org.springframework.batch.item.database.support.MySqlPagingQueryProvider; |
| 11 | +import org.springframework.context.annotation.Bean; |
| 12 | + |
| 13 | +public class Sample { |
| 14 | + //https://stackoverflow.com/questions/24233821/skippable-exception-classes-for-spring-batch-with-java-based-configuration |
| 15 | +//https://stackoverflow.com/questions/40996321/retry-not-working-with-faulttolerantstepbuilder |
| 16 | + @Bean |
| 17 | + public JdbcPagingItemReader<Customer> pagingItemReader() { |
| 18 | + /*JdbcCursorItemReader<Map<String, Object>> reader = new JdbcCursorItemReader<>(); |
| 19 | + reader.setDataSource(dataSource); |
| 20 | + reader.setRowMapper(new ColumnMapRowMapper()); |
| 21 | + reader.setSql(getSqlQueryForTable(tableName)); |
| 22 | + reader.open(executionContext); |
| 23 | + return reader;*/ |
| 24 | + JdbcPagingItemReader<Customer> reader = new JdbcPagingItemReader<>(); |
| 25 | + |
| 26 | + reader.setDataSource(null); |
| 27 | + reader.setFetchSize(10); |
| 28 | + reader.setRowMapper(new CustomerRowMapper()); |
| 29 | + |
| 30 | + MySqlPagingQueryProvider queryProvider = new MySqlPagingQueryProvider(); |
| 31 | + queryProvider.setSelectClause("id, firstName, lastName, birthdate"); |
| 32 | + queryProvider.setFromClause("from customer"); |
| 33 | + |
| 34 | + Map<String, Order> sortKeys = new HashMap<>(1); |
| 35 | + |
| 36 | + sortKeys.put("id", Order.ASCENDING); |
| 37 | + |
| 38 | + queryProvider.setSortKeys(sortKeys); |
| 39 | + |
| 40 | + reader.setQueryProvider(queryProvider); |
| 41 | + |
| 42 | + return reader; |
| 43 | + } |
| 44 | + |
| 45 | + @Bean |
| 46 | + public JdbcBatchItemWriter<Map<String, Object>> customerItemWriter() { |
| 47 | + JdbcBatchItemWriter<Map<String, Object>> itemWriter = new JdbcBatchItemWriter<>(); |
| 48 | + |
| 49 | + itemWriter.setDataSource(null); |
| 50 | + itemWriter.setSql("INSERT INTO CUSTOMER VALUES (:id, :firstName, :lastName, :birthdate)"); |
| 51 | + itemWriter.setItemPreparedStatementSetter(new ColumnMapItemPreparedStatementSetter()); |
| 52 | + itemWriter.afterPropertiesSet(); |
| 53 | + |
| 54 | + return itemWriter; |
| 55 | + } |
| 56 | +} |
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