private List<String> dependenciesOf(Package source) {
List<String> result = new ArrayList<>();
if (source.isAnnotationPresent(DependsUpon.class))
for (Class<?> target : source.getAnnotation(DependsUpon.class).packagesOf())
result.add(target.getPackage().getName());
return result;
}
// Loads the parameters from file if the file has changed.
// Returns the parameters or null if the file does not exist.
private static <T extends ConfProvider> T loadParameters(
Path path, Class<T> clazz, T existingInstance) throws Exception {
T params = existingInstance != null ? existingInstance : (T) clazz.newInstance();
if (params.hasChanged()) {
log.trace("Loading {} from {}", clazz.getSimpleName(), path);
params.load(path.toString());
}
return params;
}
/**
* Returns compact class host.
*
* @param obj Object to compact.
* @return String.
*/
@Nullable
public static Object compactObject(Object obj) {
if (obj == null) return null;
if (obj instanceof Enum) return obj.toString();
if (obj instanceof String || obj instanceof Boolean || obj instanceof Number) return obj;
if (obj instanceof Collection) {
Collection col = (Collection) obj;
Object[] res = new Object[col.size()];
int i = 0;
for (Object elm : col) res[i++] = compactObject(elm);
return res;
}
if (obj.getClass().isArray()) {
Class<?> arrType = obj.getClass().getComponentType();
if (arrType.isPrimitive()) {
if (obj instanceof boolean[]) return Arrays.toString((boolean[]) obj);
if (obj instanceof byte[]) return Arrays.toString((byte[]) obj);
if (obj instanceof short[]) return Arrays.toString((short[]) obj);
if (obj instanceof int[]) return Arrays.toString((int[]) obj);
if (obj instanceof long[]) return Arrays.toString((long[]) obj);
if (obj instanceof float[]) return Arrays.toString((float[]) obj);
if (obj instanceof double[]) return Arrays.toString((double[]) obj);
}
Object[] arr = (Object[]) obj;
int iMax = arr.length - 1;
StringBuilder sb = new StringBuilder("[");
for (int i = 0; i <= iMax; i++) {
sb.append(compactObject(arr[i]));
if (i != iMax) sb.append(", ");
}
sb.append("]");
return sb.toString();
}
return U.compact(obj.getClass().getName());
}
private static Class<?> type(Location location) {
try {
return Class.forName(location.getClassName());
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* Log task mapped.
*
* @param log Logger.
* @param clazz Task class.
* @param nodes Mapped nodes.
*/
public static void logMapped(
@Nullable IgniteLogger log, Class<?> clazz, Collection<ClusterNode> nodes) {
log0(
log,
U.currentTimeMillis(),
String.format("[%s]: MAPPED: %s", clazz.getSimpleName(), U.toShortString(nodes)));
}
/**
* Log finished.
*
* @param log Logger.
* @param clazz Class.
* @param start Start time.
*/
public static void logFinish(@Nullable IgniteLogger log, Class<?> clazz, long start) {
final long end = U.currentTimeMillis();
log0(
log,
end,
String.format(
"[%s]: FINISHED, duration: %s", clazz.getSimpleName(), formatDuration(end - start)));
}
/**
* Log message.
*
* @param log Logger.
* @param msg Message to log.
* @param clazz class.
* @param start start time.
* @return Time when message was logged.
*/
public static long log(@Nullable IgniteLogger log, String msg, Class<?> clazz, long start) {
final long end = U.currentTimeMillis();
log0(
log,
end,
String.format(
"[%s]: %s, duration: %s", clazz.getSimpleName(), msg, formatDuration(end - start)));
return end;
}
/** Returns a set of tests to run for varied log configurations. */
protected Object[] testsFor(Class<? extends LogTest> testClass) throws Throwable {
List<Object> tests = new ArrayList<>();
for (int i = 1; i < 10; i++) {
LogTest test = testClass.newInstance();
test.entriesPerSegment = i;
test.entryPadding = i / 3;
tests.add(test);
}
return tests.toArray(new Object[tests.size()]);
}
/**
* Log start.
*
* @param log Logger.
* @param clazz Class.
* @param start Start time.
*/
public static void logStart(@Nullable IgniteLogger log, Class<?> clazz, long start) {
log0(log, start, "[" + clazz.getSimpleName() + "]: STARTED");
}