Structuring An ABAP Report In An Optimal Way

Structuring An SAP ABAP Report In
An Optimal Way
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Blackvard Management Consultants
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Erin Lett is the Operations Manager for Blackvard
Management Consulting. She holds a Bachelor’s Degree
from Stetson University in Communications and has been
working in the SAP, eLearning, and Software Development
industries for the past 6 years.
For further information please visit:
www.blackvard.com
elett@blackvard.com
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Erin Lett

Blackvard Management Consultants
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Short Bio:
Lukas M. Dietzsch is managing director at Blackvard
Management Consulting, LLC. He is holding a Master’s
degree in Information Technology and is an experienced IT
solution architect and project lead.
His strong background in adapting to requirements and
standards in different industries and on various platforms are
valuable assets for Blackvard customers.
He is repeatedly commended by customers for driving
efficient solutions for complex problems in globally
distributed team environments and meeting tough deadlines.
For further information please visit:
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Lukas M. Dietzsch
lukas@blackvard.com
Copyright © Blackvard Management Consulting- All rights reserved www.blackvard.com
Managing Director

Course Agenda: ABAP 7.4 What’s new?
What Will Be Covered In This Course:
1. Lesson 1 - Overview & General Information
a) ABAP 7.4 – Source Code Samples
b) ABAP Reports
2. Lesson 2 - New ABAP Development Tools e.g. in Eclipse (ADT / CDS)
a) Object-Orientation / Model View Controller (MVC)
b) MVC Sample Report
3. Lesson 3 - New ABAP Syntax & Development
a) Syntax: New great syntax options
b) Compliance: Advance Online Documentation with ABAP 7.4
4. Lesson 4 - Using Persistence Classes
* Please contact us for additional course details
regarding lessons 2 – 4 & their schedules.*
* Please contact us for additional course details
regarding lessons 2 – 4 & their schedules.*

Source: Blackvard Slide 6Copyright © Blackvard Management Consulting – All rights reserved www.blackvard.com
SAP Reports - Background
 Reports in SAP are used as a synonym for programs.
 Simple programming modules where a set of parameters are entered
 Program uses parameters to produce a report (interactive list)
 The term “report” can be misleading; reports can also be designed to modify
data.
 Called reports due to the “list-oriented” nature of output they produce
vs.
(SAP Report)

 Different types of programs:
 Executable Program, INCLUDE, Module Pool, Function Group, Subroutine, Interface, Class
Pool, Type Pool, XSLT Program
 Structure of an SAP report:
 1 declarations (e.g. data types, variables, constants, user interface, class definitions)
 2 processing blocks (e.g. procedures, dialog modules)
 3 calling processing blocks
Data Declaration Block
Processing Block
Event Blocks
Subroutines
Dialog Blocks
etc.

 An ordinary ABAP report can be implemented with an old fashioned
“Classical” top-down approach.
 Simple normal reports e.g. w/ only one output screen
 Does not contain any user interaction or sub reports
 Numerous lines of coding lead to user confusion
 “Spaghetti code” (e.g. thousands lines of code!)
 Hard to support Step 1
Step 2
Step 3
Step …n

Object-oriented Reports
 Object-oriented Reports are an easier & more elegant approach.
 Focus on objects that represent abstract/concrete objects in real world
 Objects are first defined by character & then by their properties
 Represented by internal structure & attributes (data)
 Object behavior described by methods (functions)
 Form capsule combining characteristics
w/ behavior
 Users can map realistic problems
 Propose solutions on a one-to-one basis
 Advantages:
 Complex systems easier to understand; better
representation of reality w/ encapsulation
 Easy to overview single methods - less alterations at other system points
 Reuse individual components
 Less maintenance effort

Model View Controller Reports
 Model View Controller (MVC) Reports – clear distinction between
processing control, data model & interface displayed data.
 Areas distinguished by three objects – Model, View & Controller
 Used in user interface programming field
 Enhancement of previous BSP implementation model
 Controller-based approach
 Ensures clear distinction between application logic &
presentation logic
 Structure & organize graphical interfaces into logical units
Model
View
Controller

Model View Controller Reports
 Advantages of Model View Controller (MVC) Reports
 Simplified application structures (View separate from Controller & Model)
 Option to generate program-driven layout
 Easier element navigation; reduces network traffic
 Same work process; create objects easier & save memory
 Distribute user interface into components
 Few redirects; optimized performance
 Intuitive & easy-to-use for application development
Model
View
Controller

 The report itself consists of only three include objects.
 ZMY_REPORT_TOP (for TOP Include declarations)
 ZMY_REPORT_LCL (for local class definition &
implementation of the methods)
 ZMY_REPORT_RUN (starting the report)
 Methods from the local class:
 The function call: CALL_FUNCTION
 To start the program: RUN_PROGRAM
 To show the results: SHOW_RESULT
Structuring An SAP ABAP Report In An Optimal Way

 Globally used variables & structures are externalized in a TOP-Include.
 implementation of the local class:
ZMY_REPORT_TOP
ZMY_REPORT_LCL

 Calling the report requires only the execution of “Run program” of the local
class & e.g with an exception handling.
 Sample Live-Coding…
ZMY_REPORT_RUN

 The functional part in the example report is about setting a value for the
char50 variable & printing it in the SHOW_RESULT method.
 In this place, you could call FUBAs or other methods
 In the print method, you could show some ALV lists, for example

 Here you can see
the source code
of the local class:
CLASS lcl_my_report DEFINITION.
PUBLIC SECTION.
CLASS-METHODS run_program EXCEPTIONS prog_err.
CLASS-METHODS call_function RETURNING VALUE(rv_name) TYPE char50.
CLASS-METHODS show_result IMPORTING lv_name TYPE char50.
ENDCLASS.
"! Local service class implementation
CLASS lcl_my_report IMPLEMENTATION.
METHOD run_program.
DATA: lv_name TYPE char50.
call_function( RECEIVING rv_name = lv_name ).
show_result( lv_name ).
ENDMETHOD.
METHOD call_function.
"! sample name
rv_name = 'Oskar Mazerath'.
ENDMETHOD.
METHOD show_result.
WRITE: / lv_name.
ENDMETHOD.
ENDCLASS.

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roll-out of SAP Logistics applications (SAP LE / LO)
 Conducting multiple SAP ABAP and SAP HANA® trainings for various US companies
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