inline SQLs, consume Kronos ABAP API

src/zcl_dirigible_employee_dao.clas.abap

@@ -1,24 +1,29 @@
 CLASS zcl_dirigible_employee_dao DEFINITION PUBLIC.
+
   PUBLIC SECTION.
-    TYPES: BEGIN OF ty_employee,
-             id         TYPE n LENGTH 10,
-             firstName  TYPE string,
-             lastName   TYPE string,
-           END OF ty_employee.
 
-    TYPES: ty_employees TYPE TABLE OF ty_employee WITH EMPTY KEY.
+    TYPES:
+      BEGIN OF ty_employee,
+        id         TYPE n LENGTH 10,
+        firstName  TYPE string,
+        lastName   TYPE string,
+      END OF ty_employee,
+      ty_employees TYPE TABLE OF ty_employee WITH EMPTY KEY.
+
+    CLASS-METHODS:
+      select_all
+        RETURNING VALUE(rv_result) TYPE string.
 
-    CLASS-METHODS: select_all_employees
-      RETURNING VALUE(rv_result) TYPE string.
 ENDCLASS.
 
 CLASS zcl_dirigible_employee_dao IMPLEMENTATION.
-  METHOD select_all_employees.
+
+  METHOD select_all.
     DATA: lt_employees TYPE ty_employees,
           ls_employee  TYPE ty_employee,
           lv_result    TYPE string.
 
-    SELECT *
+    SELECT id, firstName, lastName 
       FROM employees 
       INTO TABLE lt_employees.
 
@@ -34,4 +39,5 @@ CLASS zcl_dirigible_employee_dao IMPLEMENTATION.
 
     rv_result = lv_result.
   ENDMETHOD.
+
 ENDCLASS.

src/zcl_hello_world.clas.abap

@@ -1,21 +1,38 @@
 CLASS zcl_hello_world DEFINITION PUBLIC FINAL CREATE PUBLIC.
+
   PUBLIC SECTION.
     CLASS-METHODS run.
+
+  PRIVATE SECTION.
+    DATA: lo_employee_dao TYPE REF TO zcl_dirigible_employee_dao.
+
 ENDCLASS.
 
 CLASS zcl_hello_world IMPLEMENTATION.
+
   METHOD run.
+    DATA: lv_result TYPE string.
+
+    CREATE OBJECT lo_employee_dao.
+
     zcl_dirigible_response=>println(
       EXPORTING
-        message_in     = 'hello world!' ).
+        message_in = 'Hello world!' ).
 
     zcl_dirigible_response=>println(
       EXPORTING
-        message_in     = 'inserting an employee...' ).
+        message_in = 'Selecting all employees...' ).
+
+    lv_result = lo_employee_dao->select_all( ).
 
     zcl_dirigible_response=>println(
       EXPORTING
-        message_in     = 'employee was inserted!' ).
+        message_in = 'Employees selected.' ).
 
+    zcl_dirigible_response=>println(
+      EXPORTING
+        message_in = 'Employee Data:'
+        data_in    = lv_result ).
   ENDMETHOD.
-ENDCLASS.
+
+ENDCLASS.