import static org.seasar.extension.jdbc.parameter.Parameter.*;

List<EmployeeDto> results = 
    jdbcManager
        .selectBySqlFile(
            EmployeeDto.class,
            "examples/sql/employee/selectAll.sql", 
            params("salaryMin", new BigDecimal(1200))
                .$("salaryMax", new BigDecimal(1800))
                .$())
        .getResultList();