24 | METHODS calculate_flight_price
25 | EXPORTING
26 | !price TYPE /dmo/flight_price
27 | !currency_code TYPE /dmo/currency_code.
28 | PROTECTED SECTION.
29 | PRIVATE SECTION.
30 | ENDCLASS.
31 |
32 |
33 |
34 | CLASS ZCL_OO_TUTORIAL_3 IMPLEMENTATION.
35 |
36 |
37 | METHOD calculate_flight_price.
38 |
39 | price = me->flight-price.
40 | currency_code = me->flight-currency_code.
41 |
42 | CASE me->flight-plane_type_id.
43 | WHEN `747-400`.
44 | PRICE = PRICE + 40.
45 | WHEN `A321-200`.
46 | PRICE = PRICE + 25.
47 | WHEN OTHERS.
48 | PRICE = PRICE + 10.
49 | ENDCASE.
50 | ENDMETHOD.
51 |
52 |
53 | METHOD constructor.
54 | SELECT SINGLE * FROM /dmo/flight
55 | WHERE carrier_id = @carrier_id
56 | AND connection_id = @connection_id
57 | AND flight_date = @flight_date
58 | INTO @flight.
59 | ENDMETHOD.
60 |
61 |
62 | METHOD get_flight_details.
63 | flight = me->flight.
64 | ENDMETHOD.
65 | ENDCLASS.
66 |
--------------------------------------------------------------------------------
/REUSE.toml:
--------------------------------------------------------------------------------
1 | version = 1
2 | SPDX-PackageName = "abap-oo-basics"
3 | SPDX-PackageSupplier = "Thomas Jung "
4 | SPDX-PackageDownloadLocation = "https://github.com/sap-samples/abap-oo-basics"
5 | SPDX-PackageComment = "The code in this project may include calls to APIs (“API Calls”) of\n SAP or third-party products or services developed outside of this project\n (“External Products”).\n “APIs” means application programming interfaces, as well as their respective\n specifications and implementing code that allows software to communicate with\n other software.\n API Calls to External Products are not licensed under the open source license\n that governs this project. The use of such API Calls and related External\n Products are subject to applicable additional agreements with the relevant\n provider of the External Products. In no event shall the open source license\n that governs this project grant any rights in or to any External Products,or\n alter, expand or supersede any terms of the applicable additional agreements.\n If you have a valid license agreement with SAP for the use of a particular SAP\n External Product, then you may make use of any API Calls included in this\n project’s code for that SAP External Product, subject to the terms of such\n license agreement. If you do not have a valid license agreement for the use of\n a particular SAP External Product, then you may only make use of any API Calls\n in this project for that SAP External Product for your internal, non-productive\n and non-commercial test and evaluation of such API Calls. Nothing herein grants\n you any rights to use or access any SAP External Product, or provide any third\n parties the right to use of access any SAP External Product, through API Calls."
6 |
7 | [[annotations]]
8 | path = "**"
9 | precedence = "aggregate"
10 | SPDX-FileCopyrightText = "2024 SAP SE or an SAP affiliate company and abap-oo-basics contributors"
11 | SPDX-License-Identifier = "Apache-2.0"
12 |
--------------------------------------------------------------------------------
/src/zcl_hungarian_notation.clas.abap:
--------------------------------------------------------------------------------
1 | "!
ABAP Class examples with and without Hungarian Notation
2 | CLASS zcl_hungarian_notation DEFINITION
3 | PUBLIC
4 | FINAL
5 | CREATE PUBLIC .
6 |
7 | PUBLIC SECTION.
8 | INTERFACES if_oo_adt_classrun.
9 | methods mu_export_flights
10 | exporting
11 | !et_flights type /dmo/t_flight.
12 | methods get_flights
13 | exporting
14 | !flights type /dmo/t_flight.
15 | PROTECTED SECTION.
16 | PRIVATE SECTION.
17 | "!
All Flights
18 | DATA flights TYPE /dmo/t_flight.
19 | "!
All Flights
20 | data git_flights TYPE /dmo/t_flight.
21 |
22 |
23 | ENDCLASS.
24 |
25 |
26 |
27 | CLASS ZCL_HUNGARIAN_NOTATION IMPLEMENTATION.
28 |
29 |
30 | METHOD if_oo_adt_classrun~main.
31 |
32 | select * from /dmo/flight into table @flights.
33 | select * from /dmo/flight into table @git_flights.
34 | select * from @git_flights as FLIGHTS where carrier_id = 'AA' into table @data(lt_flights) .
35 | select * from @flights as FLIGHTS where carrier_id = 'AA' into table @data(flights_american).
36 |
37 | loop at lt_flights REFERENCE INTO data(lr_flight).
38 | if lr_flight->connection_id = '0017'.
39 | endif.
40 | endloop.
41 |
42 | loop at flights_american REFERENCE INTO data(flight).
43 | if flight->connection_id = '0017'.
44 | endif.
45 | endloop.
46 |
47 | mu_export_flights(
48 | IMPORTING
49 | et_flights = data(li_flights)
50 | ).
51 |
52 | get_flights(
53 | IMPORTING
54 | flights = data(processed_flights)
55 | ).
56 |
57 | ENDMETHOD.
58 |
59 |
60 | METHOD mu_export_flights.
61 | et_flights = git_flights.
62 | ENDMETHOD.
63 |
64 |
65 | METHOD get_flights.
66 | flights = me->flights.
67 | ENDMETHOD.
68 | ENDCLASS.
69 |
--------------------------------------------------------------------------------
/src/zobject_xml.tabl.xml:
--------------------------------------------------------------------------------
1 |
2 |
3 |
4 |
5 |
6 | ZOBJECT_XML
7 | E
8 | TRANSP
9 | X
10 | Store ABAP Object instances as XML
11 | E
12 | A
13 | 1
14 | 5
15 |
16 |
17 | ZOBJECT_XML
18 | A
19 | 0
20 | APPL0
21 | N
22 |
23 |
24 |
25 | CLIENT
26 | X
27 | 0
28 | C
29 | 000006
30 | X
31 | CLNT
32 | 000003
33 | CLNT
34 |
35 |
36 | ID
37 | X
38 | 0
39 | N
40 | 000010
41 | X
42 | NUMC
43 | 000005
44 | NUMC
45 |
46 |
47 | CONTENT
48 | 0
49 | y
50 | 000008
51 | RSTR
52 | RSTR
53 |
54 |
55 |
56 |
57 | ZOBJECT_XML
58 | CUS_DEV_SUP_DA
59 |
60 |
61 |
62 |
63 |
64 |
--------------------------------------------------------------------------------
/src/zcl_oo_tutorial_4.clas.abap:
--------------------------------------------------------------------------------
1 | CLASS ZCL_OO_TUTORIAL_4 DEFINITION
2 | PUBLIC
3 | FINAL
4 | CREATE PUBLIC .
5 |
6 | PUBLIC SECTION.
7 |
8 | TYPES:
9 | BEGIN OF COST,
10 | PRICE TYPE /DMO/FLIGHT_PRICE,
11 | CURRENCY TYPE /DMO/CURRENCY_CODE,
12 | END OF COST .
13 |
14 | "!
CONSTRUCTOR
15 | METHODS CONSTRUCTOR
16 | IMPORTING
17 | !CARRIER_ID TYPE /DMO/CARRIER_ID
18 | !CONNECTION_ID TYPE /DMO/CONNECTION_ID
19 | !FLIGHT_DATE TYPE /DMO/FLIGHT_DATE.
20 |
21 | "!
2 | CLASS ZCL_OO_TUTORIAL_5A_TESTER DEFINITION
3 | PUBLIC
4 | FINAL
5 | CREATE PUBLIC .
6 |
7 | PUBLIC SECTION.
8 | INTERFACES IF_OO_ADT_CLASSRUN.
9 | PROTECTED SECTION.
10 | PRIVATE SECTION.
11 | ENDCLASS.
12 |
13 |
14 |
15 | CLASS ZCL_OO_TUTORIAL_5A_TESTER IMPLEMENTATION.
16 |
17 |
18 | METHOD IF_OO_ADT_CLASSRUN~MAIN.
19 |
20 | TYPES: BEGIN OF T_FLIGHT_REF,
21 | CARRIER_ID TYPE /DMO/CARRIER_ID,
22 | CONNECTION_ID TYPE /DMO/CONNECTION_ID,
23 | FLIGHT_DATE TYPE /DMO/FLIGHT_DATE,
24 | FLIGHT_OBJECT TYPE REF TO ZCL_OO_TUTORIAL_5,
25 | END OF T_FLIGHT_REF.
26 | DATA FLIGHTS TYPE STANDARD TABLE OF T_FLIGHT_REF WITH EMPTY KEY.
27 | TRY.
28 | SELECT CARRIER_ID, CONNECTION_ID, FLIGHT_DATE
29 | FROM /DMO/FLIGHT
30 | INTO CORRESPONDING FIELDS OF TABLE @FLIGHTS.
31 | INSERT VALUE #( CARRIER_ID = `UA` CONNECTION_ID = `0058` FLIGHT_DATE = `20220426` ) INTO TABLE FLIGHTS.
32 |
33 | LOOP AT FLIGHTS REFERENCE INTO DATA(FLIGHT).
34 | FLIGHT->FLIGHT_OBJECT = NEW ZCL_OO_TUTORIAL_5(
35 | CARRIER_ID = FLIGHT->CARRIER_ID
36 | CONNECTION_ID = FLIGHT->CONNECTION_ID
37 | FLIGHT_DATE = FLIGHT->FLIGHT_DATE ).
38 | DATA(FLIGHT_PRICE) = FLIGHT->FLIGHT_OBJECT->CALCULATE_FLIGHT_PRICE( ).
39 | OUT->WRITE( |Flight Price for { FLIGHT->CARRIER_ID }-{ FLIGHT->CONNECTION_ID } on { FLIGHT->FLIGHT_DATE DATE = ENVIRONMENT }: | &&
40 | |{ FLIGHT_PRICE-PRICE CURRENCY = FLIGHT_PRICE-CURRENCY } { FLIGHT_PRICE-CURRENCY }| ).
41 | OUT->WRITE( FLIGHT->FLIGHT_OBJECT->GET_FLIGHT_DETAILS( ) ).
42 | OUT->WRITE( ` `).
43 | ENDLOOP.
44 |
45 |
46 | CATCH ZCX_OO_TUTORIAL INTO DATA(CX_FLIGHT).
47 | OUT->WRITE( CX_FLIGHT->GET_TEXT( ) ).
48 | ENDTRY.
49 | ENDMETHOD.
50 | ENDCLASS.
51 |
--------------------------------------------------------------------------------
/src/zcl_oo_tutorial_6_747.clas.abap:
--------------------------------------------------------------------------------
1 | "!
OO Tutorial #6 - Planetype 747
2 | CLASS ZCL_OO_TUTORIAL_6_747 DEFINITION
3 | PUBLIC
4 | INHERITING FROM ZCL_OO_TUTORIAL_6_BASE
5 | FINAL
6 | CREATE PROTECTED
7 | GLOBAL FRIENDS ZCL_OO_TUTORIAL_6_BASE.
8 |
9 | PUBLIC SECTION.
10 |
11 | TYPES:
12 | BEGIN OF MOVIE,
13 | MOVIE_TITLE TYPE string,
14 | RUNNING_TIME TYPE string,
15 | END OF MOVIE.
16 | TYPES:
17 | MOVIES_TABLE TYPE STANDARD TABLE OF MOVIE WITH EMPTY KEY.
18 |
19 | "!
18 | BEGIN OF plane_type,
19 | b747 TYPE /dmo/plane_type_id VALUE `747`,
20 | a340 TYPE /dmo/plane_type_id VALUE `A340`,
21 | END OF plane_type .
22 |
23 | "!
20 | BEGIN OF PLANE_TYPE,
21 | B747 TYPE /DMO/PLANE_TYPE_ID VALUE `747`,
22 | A340 TYPE /DMO/PLANE_TYPE_ID VALUE `A340`,
23 | END OF PLANE_TYPE .
24 |
25 | "!
31 | CLASS-METHODS GET_FLIGHT_OBJECT
32 | IMPORTING
33 | !CARRIER_ID TYPE /DMO/CARRIER_ID
34 | !CONNECTION_ID TYPE /DMO/CONNECTION_ID
35 | !FLIGHT_DATE TYPE /DMO/FLIGHT_DATE
36 | RETURNING
37 | VALUE(FLIGHT) TYPE REF TO ZCL_OO_TUTORIAL_6_BASE
38 | RAISING
39 | ZCX_OO_TUTORIAL.
40 | PROTECTED SECTION.
41 | *"* protected components of class ZCL_OO_TUTORIAL_6_BASE
42 | *"* do not include other source files here!!!
43 |
44 | "!
Flight
45 | DATA FLIGHT TYPE /DMO/FLIGHT .
46 |
47 | PRIVATE SECTION.
48 | "!
Base Class Name
49 | CONSTANTS CLASS_BASE_NAME TYPE STRING VALUE `ZCL_OO_TUTORIAL_6_`. "#EC NOTEXT
50 | "!
Class Name Other
51 | CONSTANTS CLASS_OTHER TYPE STRING VALUE `OTHER`. "#EC NOTEXT
52 | ENDCLASS.
53 |
54 |
55 |
56 | CLASS ZCL_OO_TUTORIAL_6_BASE IMPLEMENTATION.
57 |
58 |
59 | METHOD CONSTRUCTOR.
60 | ME->FLIGHT = FLIGHT.
61 | ENDMETHOD.
62 |
63 |
64 | METHOD GET_FLIGHT_OBJECT.
65 |
66 | SELECT SINGLE * FROM /DMO/FLIGHT
67 | WHERE CARRIER_ID = @CARRIER_ID
68 | AND CONNECTION_ID = @CONNECTION_ID
69 | AND FLIGHT_DATE = @FLIGHT_DATE
70 | INTO @DATA(FLIGHT_TEMP).
71 | IF SY-SUBRC NE 0.
72 | RAISE EXCEPTION NEW ZCX_OO_TUTORIAL(
73 | TEXTID = ZCX_OO_TUTORIAL=>FLIGHT_NOT_FOUND
74 | CARRID = CARRIER_ID ).
75 | ENDIF.
76 |
77 | DATA CLASS_NAME TYPE STRING.
78 | IF FLIGHT_TEMP-PLANE_TYPE_ID CS ZCL_OO_TUTORIAL_6_BASE=>PLANE_TYPE-B747.
79 | CLASS_NAME = ZCL_OO_TUTORIAL_6_BASE=>CLASS_BASE_NAME &&
80 | ZCL_OO_TUTORIAL_6_BASE=>PLANE_TYPE-B747.
81 |
82 | ELSEIF FLIGHT_TEMP-PLANE_TYPE_ID CS ZCL_OO_TUTORIAL_6_BASE=>PLANE_TYPE-A340.
83 | CLASS_NAME = ZCL_OO_TUTORIAL_6_BASE=>CLASS_BASE_NAME &&
84 | ZCL_OO_TUTORIAL_6_BASE=>PLANE_TYPE-A340.
85 | ELSE.
86 | CLASS_NAME = ZCL_OO_TUTORIAL_6_BASE=>CLASS_BASE_NAME &&
87 | ZCL_OO_TUTORIAL_6_BASE=>CLASS_OTHER.
88 | ENDIF.
89 |
90 | CREATE OBJECT FLIGHT TYPE (CLASS_NAME)
91 | EXPORTING
92 | FLIGHT = FLIGHT_TEMP.
93 |
94 | ENDMETHOD.
95 |
96 |
97 | METHOD ZIF_OO_TUTORIAL~CALCULATE_FLIGHT_PRICE.
98 |
99 | PRICE-PRICE = ME->FLIGHT-PRICE + 100.
100 | PRICE-CURRENCY = ME->FLIGHT-CURRENCY_CODE.
101 |
102 | ENDMETHOD.
103 |
104 |
105 | METHOD ZIF_OO_TUTORIAL~GET_FLIGHT_DETAILS.
106 | FLIGHT = ME->FLIGHT.
107 | ENDMETHOD.
108 | ENDCLASS.
109 |
--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
1 | # ABAP Object Oriented Basics 2019
2 |
3 | [](https://api.reuse.software/info/github.com/SAP-samples/abap-oo-basics)
4 |
5 | ## Description
6 |
7 | This is an update to the 10 year old ABAP Object Oriented eLearning series. What started as an update to improve the video resolution also turned into modernizing the tooling and ABAP syntax used to teach the basic Object Oriented concepts.
8 | Here is the YouTube Playlist that goes along with this code sample:
9 | https://youtube.com/playlist?list=PL6RpkC85SLQB-vyEFpUj1xkrIhH4UiV4D
10 |
11 | ABAP OO Part 1 - Introduction
12 |
13 | [](https://youtu.be/GUh7QyCwxGk "ABAP OO Part 1 - Introduction")
14 |
15 | ABAP OO Part 2 - Static vs. Instance
16 |
17 | [](https://youtu.be/SwqNRez4itg "ABAP OO Part 2 - Static vs. Instance")
18 |
19 | ABAP OO Part 3 - Visibility
20 |
21 | [](https://youtu.be/A9IPfLJBV5w "ABAP OO Part 3 - Visibility")
22 |
23 | ABAP OO Part 4 - Exceptions
24 |
25 | [](https://youtu.be/2p4SJpYv7uQ "ABAP OO Part 4 - Exceptions")
26 |
27 | ABAP OO Part 5 - Inheritance
28 |
29 | [](https://youtu.be/zlp0CHaeSfw "ABAP OO Part 5 - Inheritance")
30 |
31 | ## Requirements
32 |
33 | Make sure to fulfill the following requirements:
34 |
35 | * You have access to an SAP BTP, ABAP Environment instance (see [here](https://blogs.sap.com/2018/09/04/sap-cloud-platform-abap-environment) for additional information).
36 | * You have downloaded and installed ABAP Development Tools (ADT). Make sure to use the most recent version as indicated on the [installation page](https://tools.hana.ondemand.com/#abap).
37 | * You have created an ABAP Cloud Project in ADT that allows you to access your SAP BTP, ABAP Environment instance (see [here](https://help.sap.com/viewer/5371047f1273405bb46725a417f95433/Cloud/en-US/99cc54393e4c4e77a5b7f05567d4d14c.html) for additional information). Your log-on language is English.
38 | * You have installed the [abapGit](https://github.com/abapGit/eclipse.abapgit.org) plug-in for ADT from the update site `http://eclipse.abapgit.org/updatesite/`.
39 |
40 | ## Download and Installation
41 |
42 | Use the abapGit plug-in to install the ABAP OO Examples by executing the following steps:
43 |
44 | 1. In your ABAP cloud project, create an ABAP package for the demo content to be downloaded (leave the suggested values unchanged when following the steps in the package creation wizard).
45 | 2. To add the abapGit Repositories view to the ABAP perspective, click `Window` > `Show View` > `Other...` from the menu bar and choose `abapGit Repositories`.
46 | 3. In the abapGit Repositories view, click the `+` icon to clone an abapGit repository.
47 | 4. Enter the following URL of this repository: `https://github.com/SAP-samples/abap-oo-basics` and choose Next.
48 | 5. Create a new transport request that you only use for this demo content installation (recommendation) and choose Finish to link the Git repository to your ABAP cloud project. The repository appears in the abapGit Repositories View with status Linked.
49 | 6. Right-click on the new ABAP repository and choose `pull` to start the cloning of the repository contents. Note that this procedure may take a few minutes.
50 | 7. Once the cloning has finished, the status is set to `Pulled Successfully`. Then refresh your project tree.
51 |
52 | As a result of the installation procedure above, the ABAP system creates an inactive version of all artifacts from the demo content
53 |
54 | To activate all development objects from this sample:
55 |
56 | 1. Click the mass-activation icon (Activate Inactive ABAP Development Objects) in the toolbar.
57 | 2. In the dialog that appears, select all development objects in the transport request (that you created for the demo content installation) and choose `Activate`.
58 |
59 | ## Known Issues
60 |
61 | In the ABAP Trial on SAP Business Technology Platform you sharing an ABAP instance with many other users. Only one user on this system may import this sample as all object names must be globally unique. If you receive an error that the objects already exists upon import, search the system for classes named ZCL_OO_TUTORIAL*. Someone has already imported the content in your trial system and you can simply start with that imported version.
62 |
63 | ## How to obtain support
64 |
65 | This project is provided "as-is": there is no guarantee that raised issues will be answered or addressed in future releases.
66 |
67 | ## License
68 |
69 | Copyright (c) 2024 SAP SE or an SAP affiliate company. All rights reserved.
70 | This project is licensed under the Apache Software License, version 2.0 except as noted otherwise in the [LICENSE](LICENSES/Apache-2.0.txt) file.
71 |
--------------------------------------------------------------------------------
/src/zcl_table_expressions.clas.abap:
--------------------------------------------------------------------------------
1 | "!
ABAP Table Expressions Examples
2 | CLASS ZCL_TABLE_EXPRESSIONS DEFINITION
3 | PUBLIC
4 | FINAL
5 | CREATE PUBLIC .
6 |
7 | PUBLIC SECTION.
8 | INTERFACES IF_OO_ADT_CLASSRUN.
9 | PROTECTED SECTION.
10 | PRIVATE SECTION.
11 | ENDCLASS.
12 |
13 |
14 |
15 | CLASS ZCL_TABLE_EXPRESSIONS IMPLEMENTATION.
16 |
17 |
18 | METHOD IF_OO_ADT_CLASSRUN~MAIN.
19 | DATA FLIGHTS TYPE STANDARD TABLE OF /DMO/FLIGHT
20 | WITH NON-UNIQUE SORTED KEY PLTYPE COMPONENTS PLANE_TYPE_ID.
21 | SELECT * FROM /DMO/FLIGHT INTO TABLE @FLIGHTS.
22 |
23 | TRY.
24 | ****Old
25 | READ TABLE FLIGHTS INDEX 1 INTO DATA(WA).
26 |
27 | ****New
28 | DATA(WA1) = FLIGHTS[ 1 ].
29 |
30 | ****Old
31 | READ TABLE FLIGHTS INDEX 1
32 | USING KEY PLTYPE INTO DATA(WA3).
33 |
34 | ****New
35 | DATA(WA4) = FLIGHTS[ KEY PLTYPE INDEX 1 ].
36 |
37 | ****Old
38 | READ TABLE FLIGHTS WITH KEY
39 | CARRIER_ID = 'AA' CONNECTION_ID = '0322' INTO DATA(WA5).
40 |
41 | ****New
42 | DATA(WA6) = FLIGHTS[ CARRIER_ID = 'AA' CONNECTION_ID = '0322' ].
43 |
44 | ****Old
45 | READ TABLE FLIGHTS WITH TABLE KEY PLTYPE
46 | COMPONENTS PLANE_TYPE_ID = '747-400' INTO DATA(WA7).
47 |
48 | ****New
49 | DATA(WA8) = FLIGHTS[ KEY PLTYPE PLANE_TYPE_ID = '747-400' ].
50 |
51 | ****Old
52 | READ TABLE FLIGHTS INDEX 1 ASSIGNING FIELD-SYMBOL().
53 | -PLANE_TYPE_ID = 'A310-300'.
54 |
55 | ****New
56 | FLIGHTS[ 1 ]-PLANE_TYPE_ID = 'A319'.
57 |
58 | ****Old
59 | READ TABLE FLIGHTS INDEX 1 INTO DATA(LINE2).
60 | IF SY-SUBRC <> 0.
61 | LINE2 = WA3.
62 | ENDIF.
63 | ZCL_SIMPLE_EXAMPLE=>METHOD2( LINE2 ).
64 | CATCH CX_SY_ITAB_LINE_NOT_FOUND.
65 | ENDTRY.
66 |
67 | ****New
68 | ZCL_SIMPLE_EXAMPLE=>METHOD2( VALUE #( FLIGHTS[ 1 ] DEFAULT WA3 ) ).
69 |
70 | ****Old
71 | READ TABLE FLIGHTS INDEX 1 REFERENCE INTO DATA(LINEREF1).
72 | ZCL_SIMPLE_EXAMPLE=>METHOD3( LINEREF1 ).
73 |
74 | ****New
75 | ZCL_SIMPLE_EXAMPLE=>METHOD3( REF #( FLIGHTS[ 1 ] ) ).
76 |
77 | ****Setup for nested internal table
78 | DATA NESTED TYPE ZCL_SIMPLE_EXAMPLE=>EXAMPLE_TABLE_TYPE.
79 | SELECT * FROM /DMO/CONNECTION WHERE CARRIER_ID = 'AA' INTO CORRESPONDING FIELDS OF TABLE @NESTED.
80 | LOOP AT NESTED REFERENCE INTO DATA(CONNECTION).
81 | SELECT * FROM /DMO/FLIGHT
82 | WHERE CARRIER_ID = @CONNECTION->CARRIER_ID AND CONNECTION_ID = @CONNECTION->CONNECTION_ID
83 | INTO CORRESPONDING FIELDS OF TABLE @CONNECTION->FLIGHT.
84 | LOOP AT CONNECTION->FLIGHT REFERENCE INTO DATA(FLIGHT).
85 | SELECT * FROM /DMO/BOOKING
86 | WHERE CARRIER_ID = @CONNECTION->CARRIER_ID AND CONNECTION_ID = @CONNECTION->CONNECTION_ID AND FLIGHT_DATE = @FLIGHT->FLIGHT_DATE
87 | INTO CORRESPONDING FIELDS OF TABLE @FLIGHT->BOOKING.
88 | ENDLOOP.
89 | ENDLOOP.
90 |
91 | ****Old
92 | READ TABLE NESTED INTO DATA(NEST1) INDEX 2.
93 | READ TABLE NEST1-FLIGHT INTO DATA(NEST2) INDEX 1.
94 | READ TABLE NEST2-BOOKING INTO DATA(NEST3) INDEX 2.
95 | OUT->WRITE( NEST3-CUSTOMER_ID ).
96 |
97 |
98 | ****New
99 | DATA(CUSTOMER2) = NESTED[ 2 ]-FLIGHT[ 1 ]-BOOKING[ 2 ]-CUSTOMER_ID.
100 | OUT->WRITE( CUSTOMER2 ).
101 |
102 |
103 | ****Old
104 | READ TABLE FLIGHTS WITH KEY
105 | CARRIER_ID = 'AA' CONNECTION_ID = '0322' TRANSPORTING NO FIELDS.
106 | DATA(INDEX1) = SY-TABIX.
107 | OUT->WRITE( INDEX1 ).
108 |
109 | ****New
110 | DATA(INDEX2) = LINE_INDEX( FLIGHTS[ CARRIER_ID = 'AA' CONNECTION_ID = '0322' ] ).
111 | OUT->WRITE( INDEX2 ).
112 |
113 |
114 | ****Old
115 | DATA HTML TYPE STRING.
116 | HTML = `
`.
117 | LOOP AT FLIGHTS ASSIGNING FIELD-SYMBOL().
118 | HTML =
119 | |{ HTML }
`
127 | FOR SFLIGHT2 IN FLIGHTS
128 | NEXT H = |{ H }
{ SFLIGHT2-CARRIER_ID }| &
129 | |
{ SFLIGHT2-CONNECTION_ID }
| ) && `
`.
130 |
131 | ****New
132 | SELECT * FROM /DMO/CONNECTION INTO TABLE @DATA(CONNECTIONS).
133 | LOOP AT CONNECTIONS REFERENCE INTO DATA(FLG)
134 | GROUP BY COND #( WHEN FLG->DISTANCE < 120 THEN 0
135 | WHEN FLG->DISTANCE > 600 THEN 99
136 | ELSE TRUNC( FLG->DISTANCE / '60' ) )
137 | ASCENDING
138 | REFERENCE INTO DATA(FD).
139 | OUT->WRITE( |Distance: { COND #( WHEN FD->* = 0 THEN `less than 2`
140 | WHEN FD->* = 99 THEN `more than 10`
141 | ELSE FD->* ) } hours | ).
142 | LOOP AT GROUP FD REFERENCE INTO DATA(FLG2).
143 | OUT->WRITE( | { FLG2->AIRPORT_FROM_ID }-{ FLG2->AIRPORT_TO_ID }: { FLG2->DISTANCE }| ).
144 | ENDLOOP.
145 | ENDLOOP.
146 |
147 | ****Breakpoint helper
148 | IF SY-SUBRC = 0.
149 | ENDIF.
150 | ENDMETHOD.
151 | ENDCLASS.
152 |
--------------------------------------------------------------------------------
/src/zcl_constructor_expression.clas.abap:
--------------------------------------------------------------------------------
1 | "!
ABAP Constructor Expression Examples
2 | CLASS ZCL_CONSTRUCTOR_EXPRESSION DEFINITION
3 | PUBLIC
4 | FINAL
5 | CREATE PUBLIC .
6 |
7 | PUBLIC SECTION.
8 | INTERFACES IF_OO_ADT_CLASSRUN.
9 | PROTECTED SECTION.
10 | PRIVATE SECTION.
11 |
12 | TYPES: BEGIN OF STRUCT,
13 | C1 TYPE I,
14 | C2 TYPE C LENGTH 10,
15 | END OF STRUCT.
16 | TYPES T_TAB TYPE STANDARD TABLE OF STRUCT WITH EMPTY KEY.
17 | DATA OTHERTAB TYPE ZCL_SIMPLE_EXAMPLE=>EXAMPLE_TABLE_TYPE.
18 |
19 | constants: EXPORTING type string value 'E'.
20 |
21 | ENDCLASS.
22 |
23 |
24 |
25 | CLASS ZCL_CONSTRUCTOR_EXPRESSION IMPLEMENTATION.
26 |
27 |
28 | METHOD IF_OO_ADT_CLASSRUN~MAIN.
29 |
30 | ****Old Way
31 | DATA DREF TYPE REF TO DATA.
32 | FIELD-SYMBOLS TYPE STRUCT.
33 | CREATE DATA DREF TYPE STRUCT.
34 | ASSIGN DREF->* TO .
35 | -C1 = 10.
36 | -C2 = 'a'.
37 |
38 |
39 | ****New Way
40 | DATA DREF2 TYPE REF TO DATA.
41 | DREF2 = NEW STRUCT( C1 = 10 C2 = 'a' ).
42 |
43 |
44 | ****Old Way
45 | DATA OREF TYPE REF TO ZCL_SIMPLE_EXAMPLE.
46 | CREATE OBJECT OREF
47 | EXPORTING
48 | INPUT1 = 'a1'
49 | INPUT2 = 'a2'.
50 |
51 |
52 | ****New Way
53 | DATA(OREF2) = NEW ZCL_SIMPLE_EXAMPLE(
54 | INPUT1 = 'a1'
55 | INPUT2 = 'a2' ).
56 |
57 | ****Old Way
58 | DATA TAB TYPE ZCL_SIMPLE_EXAMPLE=>EXAMPLE_TABLE_TYPE.
59 | DATA LINE LIKE LINE OF TAB.
60 | LINE-C1 = 10.
61 | LINE-C2 = 'a'.
62 | APPEND LINE TO TAB.
63 | LINE-C2 = 'b'.
64 | APPEND LINE TO TAB.
65 | APPEND LINES OF OTHERTAB TO TAB.
66 | ZCL_SIMPLE_EXAMPLE=>METHOD1( TAB ).
67 |
68 | ****New Way
69 | DATA(TAB2) = VALUE ZCL_SIMPLE_EXAMPLE=>EXAMPLE_TABLE_TYPE(
70 | ( C1 = 10 C2 = 'a' )
71 | ( C1 = 10 C2 = 'b' )
72 | ( LINES OF OTHERTAB ) ).
73 | ZCL_SIMPLE_EXAMPLE=>METHOD1( TAB2 ).
74 |
75 | ****New Way - Extreme
76 | ZCL_SIMPLE_EXAMPLE=>METHOD1( VALUE #(
77 | C1 = 10
78 | ( C2 = 'a' )
79 | ( C2 = 'b' )
80 | ( LINES OF OTHERTAB ) ) ).
81 |
82 |
83 | ****Dynamic Parameter - Somewhat New Way
84 | DATA DATAREF TYPE REF TO ZCL_SIMPLE_EXAMPLE=>EXAMPLE_TABLE_TYPE.
85 | GET REFERENCE OF TAB INTO DATAREF.
86 | DATA(PTAB) = VALUE ABAP_PARMBIND_TAB(
87 | ( NAME = 'TABLE'
88 | KIND = EXPORTING
89 | VALUE = DATAREF ) ).
90 | CALL METHOD ('ZCL_SIMPLE_EXAMPLE')=>('METHOD1') PARAMETER-TABLE PTAB.
91 |
92 | ****Dynamic Parameter - Really New Way
93 | DATA(PTAB2) = VALUE ABAP_PARMBIND_TAB(
94 | ( NAME = 'TABLE'
95 | KIND = EXPORTING
96 | VALUE = REF #( TAB ) ) ).
97 | CALL METHOD ('ZCL_SIMPLE_EXAMPLE')=>('METHOD1') PARAMETER-TABLE PTAB2.
98 |
99 |
100 | ****Old Way
101 | DATA HELPER TYPE STRING.
102 | HELPER = CL_ABAP_CONTEXT_INFO=>GET_USER_FORMATTED_NAME( ).
103 | DATA(XSTR) = CL_ABAP_CONV_CODEPAGE=>CREATE_OUT( )->CONVERT( SOURCE = HELPER ).
104 |
105 | ****New Way
106 | DATA(XSTR2) = CL_ABAP_CONV_CODEPAGE=>CREATE_OUT( )->CONVERT( SOURCE = CONV #( CL_ABAP_CONTEXT_INFO=>GET_USER_FORMATTED_NAME( ) ) ).
107 |
108 | ****Old
109 | DATA(I) = 1 / 4.
110 | OUT->WRITE( I ). "output 0
111 |
112 | ****New
113 | DATA(DF) = CONV DECFLOAT34( 1 / 4 ).
114 | OUT->WRITE( DF ). "output .25
115 |
116 |
117 | *****Old
118 | * CHECK ` ` = abap_false.
119 | *
120 | *****New
121 | * CHECK CONV abap_bool( ` ` ) = abap_false.
122 |
123 | ****New
124 | DATA(SQSIZE) = CONV I( LET S = ZCL_SIMPLE_EXAMPLE=>GET_SIZE( )
125 | IN S * S ).
126 |
127 | ****Old
128 | * DATA STRUCTDESCR TYPE REF TO CL_ABAP_STRUCTDESCR.
129 | * STRUCTDESCR ?= CL_ABAP_TYPEDESCR=>DESCRIBE_BY_NAME( 'T100' ).
130 | * DATA(COMPONENTS) = STRUCTDESCR->COMPONENTS.
131 |
132 | ****New
133 | * DATA(COMPONENTS2) = CAST CL_ABAP_STRUCTDESCR(
134 | * CL_ABAP_TYPEDESCR=>DESCRIBE_BY_NAME( 'T100' ) )->COMPONENTS.
135 |
136 | ****Old
137 | TYPES NUMTEXT TYPE N LENGTH 255.
138 | DATA NUMBER TYPE NUMTEXT.
139 | TRY.
140 | * MOVE EXACT '4 Apples + 3 Oranges' TO number. "Not allowed in Steampunk
141 | CATCH CX_SY_CONVERSION_ERROR INTO DATA(EXC).
142 | OUT->WRITE( 'Caught Exact #1' ).
143 | ENDTRY.
144 |
145 | ****New
146 | TRY.
147 | DATA(NUMBER2) = EXACT NUMTEXT( '4 Apples + 3 Oranges' ).
148 | CATCH CX_SY_CONVERSION_ERROR INTO DATA(EXC2).
149 | OUT->WRITE( 'Caught Exact #2' ).
150 | ENDTRY.
151 |
152 |
153 | ***Old
154 | DATA TIME TYPE STRING.
155 | DATA(NOW) = CL_ABAP_CONTEXT_INFO=>GET_SYSTEM_TIME( ). " sy-timlo.
156 | IF NOW < '120000'.
157 | TIME = |{ NOW TIME = ISO } AM |.
158 | ELSEIF NOW > '120000'.
159 | TIME = |{ CONV T( NOW - 12 * 3600 ) TIME = ISO } PM|.
160 | ELSEIF NOW = '120000'.
161 | TIME = `High Noon`.
162 | ELSE.
163 | TIME = `Call The Doctor, the Tardis is broken`.
164 | ENDIF.
165 | OUT->WRITE( TIME ).
166 |
167 | ***New
168 | DATA(TIME2) =
169 | COND STRING(
170 | LET NOW2 = CL_ABAP_CONTEXT_INFO=>GET_SYSTEM_TIME( ) IN
171 | WHEN NOW2 < '120000' THEN
172 | |{ NOW2 TIME = ISO } AM |
173 | WHEN NOW2 > '120000' THEN
174 | |{ CONV T( NOW2 - 12 * 3600 ) TIME = ISO } PM|
175 | WHEN NOW2 = '120000' THEN
176 | `High Noon`
177 | ELSE
178 | `Call The Doctor, the Tardis is broken` ).
179 | OUT->WRITE( TIME2 ).
180 |
181 | ****Old
182 | DATA NUMBER3 TYPE STRING.
183 | CASE SY-INDEX.
184 | WHEN 1.
185 | NUMBER3 = 'one'.
186 | WHEN 2.
187 | NUMBER3 = 'two'.
188 | WHEN 3.
189 | NUMBER3 = 'three'.
190 | WHEN OTHERS.
191 | NUMBER3 = `Who cares?`.
192 | ENDCASE.
193 | OUT->WRITE( NUMBER3 ).
194 |
195 | ****New
196 | DATA(NUMBER4) = SWITCH STRING( SY-INDEX
197 | WHEN 1 THEN 'one'
198 | WHEN 2 THEN 'two'
199 | WHEN 3 THEN 'three'
200 | ELSE `Who cares?` ).
201 | OUT->WRITE( NUMBER4 ).
202 |
203 | DATA FLIGHTS TYPE STANDARD TABLE OF /DMO/FLIGHT.
204 | DATA FLIGHTS2 TYPE STANDARD TABLE OF /DMO/FLIGHT.
205 | DATA LINE2 LIKE LINE OF FLIGHTS2.
206 | SELECT * FROM /DMO/FLIGHT INTO TABLE @FLIGHTS.
207 | ****Old
208 | LOOP AT FLIGHTS ASSIGNING FIELD-SYMBOL().
209 | MOVE-CORRESPONDING TO LINE2.
210 | LINE2-SEATS_MAX = -SEATS_MAX - 10. "Make more room in plane
211 | INSERT LINE2 INTO TABLE FLIGHTS2.
212 | ENDLOOP.
213 |
214 | CLEAR: FLIGHTS2, LINE2.
215 | ****New
216 | FLIGHTS2 = CORRESPONDING #( FLIGHTS
217 | MAPPING SEATS_MAX = SEATS_MAX "Entire flight is now business class
218 | EXCEPT SEATS_OCCUPIED ). "Empty the plane
219 |
220 |
221 | ****Breakpoint helper
222 | IF SY-SUBRC = 0.
223 | ENDIF.
224 | ENDMETHOD.
225 | ENDCLASS.
226 |
--------------------------------------------------------------------------------
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1 | Apache License
2 | Version 2.0, January 2004
3 | http://www.apache.org/licenses/
4 |
5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
6 |
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8 |
9 | "License" shall mean the terms and conditions for use, reproduction,
10 | and distribution as defined by Sections 1 through 9 of this document.
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177 |
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181 | boilerplate notice, with the fields enclosed by brackets "[]"
182 | replaced with your own identifying information. (Don't include
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189 | Copyright [2024] [SAP SE]
190 |
191 | Licensed under the Apache License, Version 2.0 (the "License");
192 | you may not use this file except in compliance with the License.
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