Examples with JdbcPagingItemReader org.springframework.batch.item.database.JdbcPagingItemReader used on opensource projects

Example 16 with JdbcPagingItemReader

use of org.springframework.batch.item.database.JdbcPagingItemReader in project RecordManager2 by moravianlibrary.

the class KrameriusFulltextJobConfig method reader.

/* reads document uuids for given config (may be limited by update date)
	 * returns ItemReader for HarvestedRecord(s)
	 */
@Bean(name = "krameriusFulltextJob:reader")
@StepScope
public ItemReader<HarvestedRecord> reader(@Value("#{jobParameters[" + Constants.JOB_PARAM_CONF_ID + "]}") Long configId, @Value("#{stepExecutionContext[" + Constants.JOB_PARAM_FROM_DATE + "] " + "?:jobParameters[ " + Constants.JOB_PARAM_FROM_DATE + "]}") Date from, @Value("#{stepExecutionContext[" + Constants.JOB_PARAM_UNTIL_DATE + "]" + "?:jobParameters[" + Constants.JOB_PARAM_UNTIL_DATE + "]}") Date to) throws Exception {
    Timestamp fromStamp = null;
    Timestamp toStamp = null;
    JdbcPagingItemReader<HarvestedRecord> reader = new JdbcPagingItemReader<HarvestedRecord>();
    SqlPagingQueryProviderFactoryBean pqpf = new SqlPagingQueryProviderFactoryBean();
    pqpf.setDataSource(dataSource);
    pqpf.setSelectClause("SELECT *");
    pqpf.setFromClause("FROM harvested_record");
    String whereClause = "WHERE import_conf_id = :configId";
    if (from != null) {
        fromStamp = new Timestamp(from.getTime());
        whereClause += " AND updated >= :from";
    }
    if (to != null) {
        toStamp = new Timestamp(to.getTime());
        whereClause += " AND updated <= :to";
    }
    if (configId != null) {
        pqpf.setWhereClause(whereClause);
    }
    pqpf.setSortKeys(ImmutableMap.of("import_conf_id", Order.ASCENDING, "record_id", Order.ASCENDING));
    reader.setRowMapper(harvestedRecordRowMapper);
    reader.setPageSize(PAGE_SIZE);
    reader.setQueryProvider(pqpf.getObject());
    reader.setDataSource(dataSource);
    if (configId != null) {
        Map<String, Object> parameterValues = new HashMap<String, Object>();
        parameterValues.put("configId", configId);
        parameterValues.put("from", fromStamp);
        parameterValues.put("to", toStamp);
        reader.setParameterValues(parameterValues);
    }
    reader.afterPropertiesSet();
    return reader;
}

Example 17 with JdbcPagingItemReader

use of org.springframework.batch.item.database.JdbcPagingItemReader in project RecordManager2 by moravianlibrary.

the class InspirationImportJobConfig method inspirationDeleteReader.

@Bean(name = Constants.JOB_ID_DELETE_INSPIRATION + ":deleteInspirationReader")
@StepScope
public ItemReader<Long> inspirationDeleteReader(@Value("#{jobParameters[" + Constants.JOB_PARAM_DELETE_INSPIRATION + "]}") String name) throws Exception {
    JdbcPagingItemReader<Long> reader = new JdbcPagingItemReader<Long>();
    SqlPagingQueryProviderFactoryBean pqpf = new SqlPagingQueryProviderFactoryBean();
    pqpf.setDataSource(dataSource);
    pqpf.setSelectClause("SELECT id");
    pqpf.setFromClause("FROM inspiration");
    pqpf.setWhereClause("WHERE name = :name");
    pqpf.setSortKey("id");
    Map<String, Object> parameterValues = new HashMap<String, Object>();
    parameterValues.put("name", name);
    reader.setParameterValues(parameterValues);
    reader.setRowMapper(new InspirationIdRowMapper());
    reader.setPageSize(20);
    reader.setQueryProvider(pqpf.getObject());
    reader.setDataSource(dataSource);
    reader.afterPropertiesSet();
    return reader;
}

Example 18 with JdbcPagingItemReader

use of org.springframework.batch.item.database.JdbcPagingItemReader in project RecordManager2 by moravianlibrary.

the class FilterCaslinRecordsBySiglaJobConfig method caslinRecordsReader.

@Bean(name = Constants.JOB_ID_FILTER_CASLIN + ":caslinRecordsReader")
@StepScope
public synchronized ItemReader<HarvestedRecordUniqueId> caslinRecordsReader() throws Exception {
    JdbcPagingItemReader<HarvestedRecordUniqueId> reader = new JdbcPagingItemReader<HarvestedRecordUniqueId>();
    SqlPagingQueryProviderFactoryBean pqpf = new SqlPagingQueryProviderFactoryBean();
    pqpf.setDataSource(dataSource);
    pqpf.setSelectClause("SELECT import_conf_id, record_id");
    pqpf.setFromClause("FROM harvested_record");
    pqpf.setWhereClause("WHERE import_conf_id = :conf_id and deleted is null");
    pqpf.setSortKey("record_id");
    Map<String, Object> parameterValues = new HashMap<String, Object>();
    parameterValues.put("conf_id", Constants.IMPORT_CONF_ID_CASLIN);
    reader.setParameterValues(parameterValues);
    reader.setRowMapper(new HarvestedRecordIdRowMapper());
    reader.setPageSize(20);
    reader.setQueryProvider(pqpf.getObject());
    reader.setDataSource(dataSource);
    reader.afterPropertiesSet();
    return reader;
}