/* A test to see if multiple observers/loggers can be wrapped around a problem. */
void multiple_observers(void) {
coco_suite_t *suite;
coco_observer_t *observer_inner, *observer_middle, *observer_outer;
coco_problem_t *problem_inner, *problem_middle, *problem_outer;
suite = coco_suite("bbob-biobj", "year: 2016", "dimensions: 2 function_indices: 1-3 instance_indices: 1-2");
observer_inner = coco_observer("toy", "");
observer_middle = coco_observer("bbob-biobj", "log_nondominated: final log_decision_variables: none");
observer_outer = coco_observer("toy", "");
while ((problem_inner = coco_suite_get_next_problem(suite, observer_inner)) != NULL) {
problem_middle = coco_problem_add_observer(problem_inner, observer_middle);
problem_outer = coco_problem_add_observer(problem_middle, observer_outer);
my_optimizer(problem_outer);
problem_middle = coco_problem_remove_observer(problem_outer, observer_outer);
problem_inner = coco_problem_remove_observer(problem_middle, observer_middle);
}
coco_observer_free(observer_inner);
coco_observer_free(observer_middle);
coco_observer_free(observer_outer);
coco_suite_free(suite);
}
/* Each time: run the benchmark and delete the output folder */
void run_once(char *observer_options) {
coco_suite_t *suite;
coco_observer_t *observer;
coco_problem_t *problem;
printf("Running experiment with options %s\n", observer_options);
fflush(stdout);
suite = coco_suite("bbob-biobj", NULL, "dimensions: 2 function_indices: 5-6 instance_indices: 2-3");
observer = coco_observer("bbob-biobj", observer_options);
while ((problem = coco_suite_get_next_problem(suite, observer)) != NULL) {
my_optimizer(problem);
}
coco_observer_free(observer);
coco_suite_free(suite);
wait_in_seconds(2); /* So that the directory removal is surely finished */
printf("DONE!\n");
fflush(stdout);
}
/*
* Class: CocoJNI
* Method: cocoGetObserver
* Signature: (Ljava/lang/String;Ljava/lang/String;)J
*/
JNIEXPORT jlong JNICALL Java_org_moeaframework_problem_BBOB2016_CocoJNI_cocoGetObserver
(JNIEnv *jenv, jclass interface_cls, jstring jobserver_name, jstring jobserver_options) {
coco_observer_t *observer = NULL;
const char *observer_name;
const char *observer_options;
/* This test is both to prevent warning because interface_cls was not used and to check for exceptions */
if (interface_cls == NULL) {
jclass Exception = (*jenv)->FindClass(jenv, "java/lang/Exception");
(*jenv)->ThrowNew(jenv, Exception, "Exception in cocoGetObserver\n");
}
observer_name = (*jenv)->GetStringUTFChars(jenv, jobserver_name, NULL);
observer_options = (*jenv)->GetStringUTFChars(jenv, jobserver_options, NULL);
observer = coco_observer(observer_name, observer_options);
return (jlong) observer;
}
