JCI_GetStaticMethodID

This function returns the method ID (Java handle) for a static method of a class.It is equivalent to the JNI function GetStaticMethodID.

Call

CALL 'JCI_GetStaticMethodID' USING cObj mName mSig mID

cObj	Class object
mName	Name of the method
mSig	Signature of the method
mID	Method ID returned by the function

Arguments

cObj	Data field of the type JCI-object Object of the class in which the method is to be searched for.
mName	Structure of the type Cobvar Name of the method which is to be searched for. Trailing spaces at the end of the text are ignored.
mSig	Structure of the type Cobvar Signature of the method which is to be searched for. Trailing spaces at the end of the text are ignored.
mID	Data field of the type JCI-handle After the function has been successfully executed, the field contains the method ID of the method being searched for. In the event of an error, the value JCI-NULL is returned.

Return value (RETURN-CODE)

JCI-RET-OK

The call was successful.

JCI-RET-ENOVM

No Java VM has been started.

JCI-RET-ENULLOBJ

cObj is JCI-NULL.

JCI-RET-EARGUMENT

cObj is not a class object.

JCI-RET-ENOTFOUND

The method could not be found.

Exceptions

The exceptions generated by the function correspond to those of the JNI function GetStaticMethodID.

Notes

The method is identified by the name and the signature. The signature can be received by the statement,

javap -s <class-name>

the <class-name> being the name of the class identified by cObj.

Example

DATA DIVISION.
WORKING-STORAGE SECTION.
COPY JCI-TYPEDEFS.
01 JCIConstants.
COPY JCI-CONST.
...
01 methodName.
05 PIC S9(9) COMP-5 VALUE 30.
05 PIC X(30) VALUE 'hello'.
01 methodSig.
05 PIC S9(9) COMP-5 VALUE 80.
05 PIC X(80) VALUE '(Ljava/lang/String;)V'.
...
01 classObj  TYPE JCI-object.
01 methodID  TYPE JCI-handle.
...
PROCEDURE DIVISION.
...
CALL 'JCI_GetStaticMethodID' USING classObj methodName
methodSig methodID
IF RETURN-CODE NOT = JCI-RET-OK
...