SAP ABAP Class IF_COVST_CHECKSUM (Checksum Algorithms)
Meta Relationship - Used By
# Relationship type Used by Short Description Created on
1 Interface implementation (CLASS c. INTERFACES i_ref)  CL_COVST_CHECKSUM SCOV Self-Test: Checksum Algorithms 20100125
Properties
Class IF_COVST_CHECKSUM  
Short Description Checksum Algorithms    
Super Class    
Instantiability of a Class 2  Public 
Final    
General Data
Message Class    
Program status     
Category 0   
Package      
Created 20100125   SAP 
Last change 20110908   SAP 
Shared Memory-enabled    
Fixed point arithmetic    
Unicode checks active    
Forward declarations
Class IF_COVST_CHECKSUM has no forward declaration.
Interfaces
Class IF_COVST_CHECKSUM has no interface implemented.
Friends
Class IF_COVST_CHECKSUM has no friend class.
Attributes
Class IF_COVST_CHECKSUM has no attribute.
Methods
# Method Level Visibility Method type Description Created on
1 CREATE_LUHN_NUMBER Instance method Public Method Create valid Luhn number with {IM_LEN} digits 20100125
2 IS_LUHN_NUMBER Instance method Public Method "mod 10" algorithm to validate IDs, e.g. credit card numbers 20100125
Events
Class IF_COVST_CHECKSUM has no event.
Types
Class IF_COVST_CHECKSUM has no local type.
Method Signatures

Method CREATE_LUHN_NUMBER Signature

# Type Parameter Pass Value Optional Typing Method Associated Type Default value Description Created on
1 Importing IM_LEN Call by reference Type reference (TYPE) I 16 20100125
2 Returning RE_NUMBER Value transfer Type reference (TYPE) STRING 20100125

Method CREATE_LUHN_NUMBER on class IF_COVST_CHECKSUM has no exception.

Method IS_LUHN_NUMBER Signature

# Type Parameter Pass Value Optional Typing Method Associated Type Default value Description Created on
1 Importing IM_ID_NUMBER Call by reference Type reference (TYPE) STRING 20100125
2 Returning RE_RES Value transfer Type reference (TYPE) ABAP_BOOL 20100125

Method IS_LUHN_NUMBER on class IF_COVST_CHECKSUM has no exception.
History
Last changed by/on SAP  20110908 
SAP Release Created in