Difference between revisions of "OBJECT SETPROPERTY()"

#include "dbapi.h"
 
OBJECT_SETPROPERTY(objptr, propertyname, buffer)
 
<input parameters>
OBJECT		objptr;			/* Pointer to the object */
char		*propertyname;		/* property name to set */
 
<output parameters>
OBJARG	buffer;			/* pointer to an OBJARG buffer */

test = newobject("myclass")
// Executes method 'define' and updates two properties
? test.define("Error Message", -1000)
? "test.objvalue.errorno",test.objvalue.errorno
? "test.objvalue.message",test.objvalue.message

#include "dbapi.h"
 
/* Define define method */
DEFINE_METHOD(clsMyClass, Define) 
{
    	struct example_data *objectData = (struct example_data *)OBJECT_GETDATA();
	struct      API_EXPRESSION result;
	char	    buffer[512];
	int	    rc;
 
	/* Check the object class */
	OBJECT_GETPROPERTY(objectData->prop_objvalue, "class", buffer);
	rc = OBJECT_GETARG(buffer, &result);
	if (result.errno == 0 && result.type == 'C' &&
	    strcmp(result.character, "Exception") == 0) { 
	    switch (OBJECT_GETARGC()) {
	    case 2: 
		rc = OBJECT_GETPARAMETER(2, &result);
		if (result.errno == 0 && result.type == 'N') {
		    OBJECT_SETARG(buffer, &result);
		    rc = OBJECT_SETPROPERTY(objectData->prop_objvalue, "errorno", buffer);
		}
 
	    case 1: 
		rc = OBJECT_GETPARAMETER(1, &result);
		if (result.errno == 0 && result.type == 'C') {
		    OBJECT_SETARG(buffer, &result);
		    rc = OBJECT_SETPROPERTY(objectData->prop_objvalue, "message", buffer);
		}
		break;
	    }
	}
 
	result.type = 'L';
	result.logical = (rc == 0 ? 'T' : 'F');  
	OBJECT_RETRESULT(&result);
}