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56 Chapter 5. Adapter Class Reference
Class variable
Explanation
A public class variable (static field) is mapped to a COBOL property method (factory).
Expansion format
METHOD-ID. GET PROPERTY property-name.
...
LINKAGE SECTION.
01 property-value data-description-entry.
PROCEDURE DIVISION RETURNING property-value.
...
END METHOD property-name.
METHOD-ID. SET PROPERTY property-name.
...
LINKAGE SECTION.
01 property-value data-description-entry
PROCEDURE DIVISION USING property-value.
...
END METHOD property-name.
Generation rules
1. The property name is used to identify the property. The class user can identify
the property with the property name.
2. A property name is generated according to the following rules:
JF-JavaFieldName[-nn]
- "JF-" is followed by a Java field name in uppercase.
- If the property name has already been assigned, the second and subsequent
property names are each suffixed with a hyphen "-" followed by a two-digit
number (01 to 99) to prevent name duplication. (See "
Numbering names
.")
- A name exceeding 30 characters is truncated after the 30th character.
3. When FINAL is specified, no property method with the SET specification is
generated.
4. The property value is a parameter used to transfer a property value. The data
description entry expands the COBOL description entry corresponding to the Java
field attribute. See "
Data types
" for the correspondence of data types.
Generation rules
The property method corresponding to the class variable out (static final field) of the
java.lang.System class is generated as shown below:
METHOD-ID. GET PROPERTY JF-OUT. [1]
...
LINKAGE SECTION.
01 GET-VALUE OBJECT REFERENCE J-PRINTSTREAM. [2]
PROCEDURE DIVISION RETURNING GET-VALUE.
...
END METHOD JF-OUT.
1. The property name is generated by adding "OUT", which is the uppercase of the
Java field name, to "JF-".