Examples with RowMapperResultSetExtractor org.springframework.jdbc.core.RowMapperResultSetExtractor used on opensource projects

Example 6 with RowMapperResultSetExtractor

use of org.springframework.jdbc.core.RowMapperResultSetExtractor in project spring-integration by spring-projects.

the class JdbcPollingChannelAdapter method doPoll.

protected List<?> doPoll(SqlParameterSource sqlQueryParameterSource) {
    final RowMapper<?> rowMapper = this.rowMapper == null ? new ColumnMapRowMapper() : this.rowMapper;
    ResultSetExtractor<List<Object>> resultSetExtractor;
    if (this.maxRowsPerPoll > 0) {
        resultSetExtractor = rs -> {
            List<Object> results = new ArrayList<Object>(JdbcPollingChannelAdapter.this.maxRowsPerPoll);
            int rowNum = 0;
            while (rs.next() && rowNum < JdbcPollingChannelAdapter.this.maxRowsPerPoll) {
                results.add(rowMapper.mapRow(rs, rowNum++));
            }
            return results;
        };
    } else {
        @SuppressWarnings("unchecked") ResultSetExtractor<List<Object>> temp = new RowMapperResultSetExtractor<Object>((RowMapper<Object>) rowMapper);
        resultSetExtractor = temp;
    }
    if (sqlQueryParameterSource != null) {
        return this.jdbcOperations.query(this.selectQuery, sqlQueryParameterSource, resultSetExtractor);
    } else {
        return this.jdbcOperations.getJdbcOperations().query(this.selectQuery, resultSetExtractor);
    }
}