Object Oriented ABAP

More documents

Recommendations

Info

The ZCL_TEST class now contains the existing methods of IF_WORKFLOW interface. 14. Lights on Key Attributes and Attributes: The key attributes are used to define the object key. There can also be other defined attributes other than key attributes. The SAP Web Flow Engine can access all public attributes of a class. Key Attributes: In the Class Builder there is an additional column Key Attributes on the tab page as shown below:
We need to check this box when we are defining any attribute as the Key Attribute. All key fields must be character-type fields (elementary types: CHAR, NUMC) and have a defined length. The maximum length allowed for all key fields is 32 characters. The length of the key field for the persistent display is 32 characters. In the case of persistent <strong>ABAP</strong> objects we can use the GUID, which is generated automatically by the object manager when an instance is created. Attributes: In addition to all the other data types that the Class Builder supports, we can also define attributes with reference to an object from the Business <strong>Object</strong> Repository (BOR). To do this, we have to use the structure SWOTOBJID as the data type. The BOR object is determined using the corresponding value. To assign a BOR object instance to an attribute we need to use the corresponding BOR macros. Normally, this is implemented within the CONSTRUCTOR of a class. To use the BOR macros in a class, two INCLUDES must be included. Include ……………contains the local types Include ……………contains the BOR macros
Page 1 and 2:
Object Oriented ABAP From SAP Techn
Page 3 and 4:
combines the character to the respe
Page 5 and 6:
Data declared in public section can
Page 7 and 8:
Single Inheriting: Acquiring the pr
Page 9 and 10:
Multiple Inheritance is not support
Page 11 and 12:
Object oriented programming (OOP) e
Page 13 and 14:
For withdraw we define an exception
Page 15 and 16:
Click SET_BALANCE. Write the NEW_BA
Page 17 and 18:
selection-screen begin of block a.
Page 19 and 20:
WRITE: / 'Number of employees is:',
Page 21 and 22:
ENDMETHOD. METHOD display_no_of_emp
Page 23 and 24:
* Object references o_bluecollar_em
Page 25 and 26: * Adds a new employee to the list o
Page 27 and 28: l_wage = monthly_salary - monthly_d
Page 29 and 30: Press Save button. Then we can view
Page 31 and 32: And double click on the method sele
Page 33 and 34: Provide the logic. Then save it, ch
Page 35 and 36: Working with the Keyword SUPER in o
Page 37 and 38: Save it. Then we can see the method
Page 39: *Create the object CREATE OBJECT OB
Page 42: WRITE:/ 'THIS IS MM1 METHOD IN SUPE
Page 45 and 46: SKIP 2. CALL METHOD OBJ->ANOTHER. S
Page 47 and 48: Then save it, check it, activate it
Page 49 and 50: *create the object START-OF-SELECTI
Page 51 and 52: Working with import, export and cha
Page 53 and 54: Press F5
Page 55 and 56: The values are changed. Press F5. T
Page 57 and 58: POLYMORPHISM:- Working on Polymorph
Page 59 and 60: Select display method then provide
Page 61 and 62: Select select _ method then press t
Page 63 and 64: Double click on the method then pro
Page 65 and 66: Go to TCode SE24. Enhancement of a
Page 67 and 68: Enter the Source code. Click on Sav
Page 69: Paste the Below Code. *&-----------
Page 72 and 73: 4. How does it integrate? The Class
Page 74 and 75: 10. Conventions for Components: Met
Page 78 and 79: An example to show how to define At
Page 80 and 81: The FIND_BY_LPOR method should alwa
Page 82 and 83: If we do not need the method in our
Page 84 and 85: 21. BI_OBJECT~RELEASE Method: The s
Page 86 and 87: BOR objects Exceptions: Object is t
Page 88 and 89: Provide parameters also for this me
Page 90 and 91: Save & activate. Following screen a
Page 92 and 93: INTO TABLE IT_LFA1 WHERE LIFNR BETW
Page 94 and 95: The output is like this.
Page 96 and 97: Save it. Provide the method name. P
Page 98 and 99: Save it. Go to interface tab. Provi
Page 100 and 101: Provide the code. *&---------------
Page 102 and 103: IT_MARA TYPE Z_MARA, WA_MARA TYPE M
Page 104 and 105: Following pop-up appears: Enter you
Page 106 and 107: Create Transaction for local class
Page 108 and 109: transaction and execute it. In this
Page 110 and 111: Step: 3 -> Persistent Mapping or Ma
Page 112 and 113: To assign a class indicator, select
Page 114 and 115: I_OID = '30EA9E25999F0843BE6F7B8606
Page 116 and 117: Step: 2 -> Persistent Mapping or Ma
Page 118 and 119: Step: 3 -> Write a Program to creat
Page 120 and 121: delete_persistent importing im_sno
Page 122 and 123: Persistent Objects: Using GUID Obje
Page 124 and 125: Give the table name. For eg ZSTUDEN
Page 126 and 127:
Add the remaining fields as well. S
Page 128 and 129:
Here I am creating a new student. S
Page 130 and 131:
sname, mark1, mark2. CATCH CX_OS_OB
Page 132 and 133:
Step: 3 Create OO transaction. Go t
Page 134 and 135:
Execute the transaction Z_TX Step:
Page 136 and 137:
1.6 Inheritance In OO ABAP we use a
Page 138 and 139:
METHOD xyz. write : / 'Child class
Page 140 and 141:
2.3 Binding Check Table I have prep
Page 142 and 143:
Introduction: Understanding "ABAP U
Page 144 and 145:
Actual result - 24. Expected Result
Page 146 and 147:
Executing Unit Tests: For program,
Page 148 and 149:
Demo on "Narrow Casting" Definition
Page 150:
Accessing methods using super class
Page 154 and 155:
Abstract Classes and Methods in Obj
Page 156 and 157:
Double click on the Method name "AR
Page 158 and 159:
A successful message is displayed l
Page 160 and 161:
Enter the Super class name as "Z_DE
Page 162 and 163:
Write the code In between Method an
Page 164:
Enter the number under V_NUM as "6"
Page 167 and 168:
Enter the Description of the class
Page 169 and 170:
Method meth * Local Data Declaratio
Page 171 and 172:
Enter the Description of the class
Page 173 and 174:
Pop-up window is displayed Go to "A
Page 175 and 176:
A pop-up window is displayed, then
Page 177 and 178:
The output will be displayed like b
Page 180 and 181:
After execution (F8): Result:
Page 183 and 184:
After execution (F8): Result:
Page 185 and 186:
Enter the „Class name‟, „Clas
Page 187 and 188:
Enter the „Description‟ for the
Page 189 and 190:
Create a screen „0100‟ and a cu
Page 191 and 192:
MODULE user_command_0100 INPUT. CAS
Page 193 and 194:
internal_error = 3 parameter_error
Page 195 and 196:
EXPORTING fields_table = locint_fie
Page 197 and 198:
*&---------------------------------
Page 199 and 200:
l_err_row TYPE i. TYPE-POOLS:sx. DA
Page 201 and 202:
Doesn‟t allow the user to modify
Page 203 and 204:
Event Handler Technique in Object o
Page 205 and 206:
Output. Now select the method. And
Page 207 and 208:
After that provide the logic in se3
Page 209 and 210:
Dialog processing after COMMIT WORK
Page 211 and 212:
The Event TRANANSACTION_FINISHED of
show all

Object Oriented ABAP

Create successful ePaper yourself

Delete template?

Save as template?