@Override
public void onApplicationStop() {
List<Class> jobs = Play.classloader.getAssignableClasses(Job.class);
for (final Class clazz : jobs) {
// @OnApplicationStop
if (clazz.isAnnotationPresent(OnApplicationStop.class)) {
try {
Job<?> job = ((Job<?>) clazz.newInstance());
scheduledJobs.add(job);
job.run();
if (job.wasError) {
if (job.lastException != null) {
throw job.lastException;
}
throw new RuntimeException("@OnApplicationStop Job has failed");
}
} catch (InstantiationException e) {
throw new UnexpectedException("Job could not be instantiated", e);
} catch (IllegalAccessException e) {
throw new UnexpectedException("Job could not be instantiated", e);
} catch (Throwable ex) {
if (ex instanceof PlayException) {
throw (PlayException) ex;
}
throw new UnexpectedException(ex);
}
}
}
executor.shutdownNow();
executor.getQueue().clear();
}
private static void testPotato(
Class<? extends Collection> implClazz, Class<? extends List> argClazz) throws Throwable {
try {
System.out.printf("implClazz=%s, argClazz=%s\n", implClazz.getName(), argClazz.getName());
final int iterations = 100000;
final List<Integer> list = (List<Integer>) argClazz.newInstance();
final Integer one = Integer.valueOf(1);
final List<Integer> oneElementList = Collections.singletonList(one);
final Constructor<? extends Collection> constr = implClazz.getConstructor(Collection.class);
final Thread t =
new CheckedThread() {
public void realRun() {
for (int i = 0; i < iterations; i++) {
list.add(one);
list.remove(one);
}
}
};
t.setDaemon(true);
t.start();
for (int i = 0; i < iterations; i++) {
Collection<?> coll = constr.newInstance(list);
Object[] elts = coll.toArray();
check(elts.length == 0 || (elts.length == 1 && elts[0] == one));
}
} catch (Throwable t) {
unexpected(t);
}
}
private void logEndpoints() {
final StringBuilder stringBuilder = new StringBuilder(1024).append("\n\n");
final ImmutableList.Builder<Class<?>> builder = ImmutableList.builder();
for (Object o : config.getSingletons()) {
if (o.getClass().isAnnotationPresent(Path.class)) {
builder.add(o.getClass());
}
}
for (Class<?> klass : config.getClasses()) {
if (klass.isAnnotationPresent(Path.class)) {
builder.add(klass);
}
}
for (Class<?> klass : builder.build()) {
final String path = klass.getAnnotation(Path.class).value();
final ImmutableList.Builder<String> endpoints = ImmutableList.builder();
for (AnnotatedMethod method : annotatedMethods(klass)) {
for (HttpMethod verb : method.getMetaMethodAnnotations(HttpMethod.class)) {
endpoints.add(
String.format(" %-7s %s (%s)", verb.value(), path, klass.getCanonicalName()));
}
}
for (String line : Ordering.natural().sortedCopy(endpoints.build())) {
stringBuilder.append(line).append('\n');
}
}
LOG.info(stringBuilder.toString());
}
/**
* 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());
}
/**
* Constructs new instance of the specified class.
*
* @param exp Expected class for the new instance.
* @param clsName Class name to create new instance for.
* @param <T> Expected class type for the new instance.
* @return New instance of specified class.
* @throws GridClientException If loading failed.
*/
private static <T> T newInstance(Class<T> exp, String clsName) throws GridClientException {
Object obj;
try {
obj = Class.forName(clsName).newInstance();
}
// Catch all for convenience.
catch (Exception e) {
throw new GridClientException("Failed to create class instance: " + clsName, e);
}
return exp.cast(obj);
}
/**
* 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)));
}
private void logProviders() {
final ImmutableSet.Builder<String> builder = ImmutableSet.builder();
for (Class<?> klass : config.getClasses()) {
if (klass.isAnnotationPresent(Provider.class)) {
builder.add(klass.getCanonicalName());
}
}
for (Object o : config.getSingletons()) {
if (o.getClass().isAnnotationPresent(Provider.class)) {
builder.add(o.getClass().getCanonicalName());
}
}
LOG.debug("providers = {}", builder.build());
}
/**
* Checks whether or not given class should be excluded from marshalling.
*
* @param cls Class to check.
* @return {@code true} if class should be excluded, {@code false} otherwise.
*/
public static boolean isExcluded(Class<?> cls) {
assert cls != null;
for (Class<?> c : INCL_CLASSES) {
if (c.isAssignableFrom(cls)) {
return false;
}
}
for (Class<?> c : EXCL_CLASSES) {
if (c.isAssignableFrom(cls)) {
return true;
}
}
return false;
}
private void sendResponse(long requestId, Object value, Class<?> declaredType)
throws IOException {
DataOutputStream out = newFlusher();
out.writeByte(RESPONSE);
out.writeLong(requestId);
if (value == null) {
out.writeBoolean(false);
} else {
out.writeBoolean(true);
Class<?> clazz = value.getClass();
out.writeUTF(clazz.getName());
Serializer<Object> s = serializerFor(clazz, declaredType);
s.serialize(out, value);
}
out.writeBoolean(false);
out.flush();
}
private static void testImplementation(Class<? extends Collection> implClazz) throws Throwable {
testPotato(implClazz, Vector.class);
testPotato(implClazz, CopyOnWriteArrayList.class);
final Constructor<? extends Collection> constr = implClazz.getConstructor(Collection.class);
final Collection<Object> coll = constr.newInstance(Arrays.asList(new String[] {}));
coll.add(1);
equal(coll.toString(), "[1]");
}
/**
* 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)));
}
public JxpSource getJxpServlet(String name) {
JxpSource source = _httpServlets.get(name);
if (source != null) return source;
try {
Class c = Class.forName(name);
Object n = c.newInstance();
if (!(n instanceof HttpServlet))
throw new RuntimeException("class [" + name + "] is not a HttpServlet");
HttpServlet servlet = (HttpServlet) n;
servlet.init(createServletConfig(name));
source = new ServletSource(servlet);
_httpServlets.put(name, source);
return source;
} catch (Exception e) {
throw new RuntimeException("can't load [" + name + "]", e);
}
}
/**
* Searches the current debug scope, bottom up, for a context object that is an instance of a
* given type. The first such object found is returned.
*/
@SuppressWarnings("unchecked")
public static <T> T contextLookup(Class<T> clazz) {
if (ENABLED) {
for (Object o : context()) {
if (clazz.isInstance(o)) {
return ((T) o);
}
}
}
return null;
}
@SuppressWarnings("unchecked")
static Class loadClass(String name, SolrCore core) throws ClassNotFoundException {
try {
return core != null ? core.getResourceLoader().findClass(name) : Class.forName(name);
} catch (Exception e) {
try {
String n = DocBuilder.class.getPackage().getName() + "." + name;
return core != null ? core.getResourceLoader().findClass(n) : Class.forName(n);
} catch (Exception e1) {
throw new ClassNotFoundException(
"Unable to load "
+ name
+ " or "
+ DocBuilder.class.getPackage().getName()
+ "."
+ name,
e);
}
}
}
/**
* 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;
}
@SuppressWarnings("unchecked")
public static <T> List<T> contextSnapshot(Class<T> clazz) {
if (ENABLED) {
List<T> result = new ArrayList<>();
for (Object o : context()) {
if (clazz.isInstance(o)) {
result.add((T) o);
}
}
return result;
} else {
return Collections.emptyList();
}
}
public void connectToSource() throws Exception {
// load JDBC driver
c = Class.forName(config.jdbcdriver);
}
/** {@inheritDoc} */
@Override
public ClassLoader classLoader() {
return p2pCls.getClassLoader();
}
@Override
public void afterApplicationStart() {
List<Class<?>> jobs = new ArrayList<Class<?>>();
for (Class clazz : Play.classloader.getAllClasses()) {
if (Job.class.isAssignableFrom(clazz)) {
jobs.add(clazz);
}
}
scheduledJobs = new ArrayList<Job>();
for (final Class<?> clazz : jobs) {
// @OnApplicationStart
if (clazz.isAnnotationPresent(OnApplicationStart.class)) {
// check if we're going to run the job sync or async
OnApplicationStart appStartAnnotation = clazz.getAnnotation(OnApplicationStart.class);
if (!appStartAnnotation.async()) {
// run job sync
try {
Job<?> job = ((Job<?>) clazz.newInstance());
scheduledJobs.add(job);
job.run();
if (job.wasError) {
if (job.lastException != null) {
throw job.lastException;
}
throw new RuntimeException("@OnApplicationStart Job has failed");
}
} catch (InstantiationException e) {
throw new UnexpectedException("Job could not be instantiated", e);
} catch (IllegalAccessException e) {
throw new UnexpectedException("Job could not be instantiated", e);
} catch (Throwable ex) {
if (ex instanceof PlayException) {
throw (PlayException) ex;
}
throw new UnexpectedException(ex);
}
} else {
// run job async
try {
Job<?> job = ((Job<?>) clazz.newInstance());
scheduledJobs.add(job);
// start running job now in the background
@SuppressWarnings("unchecked")
Callable<Job> callable = (Callable<Job>) job;
executor.submit(callable);
} catch (InstantiationException ex) {
throw new UnexpectedException("Cannot instanciate Job " + clazz.getName());
} catch (IllegalAccessException ex) {
throw new UnexpectedException("Cannot instanciate Job " + clazz.getName());
}
}
}
// @On
if (clazz.isAnnotationPresent(On.class)) {
try {
Job<?> job = ((Job<?>) clazz.newInstance());
scheduledJobs.add(job);
scheduleForCRON(job);
} catch (InstantiationException ex) {
throw new UnexpectedException("Cannot instanciate Job " + clazz.getName());
} catch (IllegalAccessException ex) {
throw new UnexpectedException("Cannot instanciate Job " + clazz.getName());
}
}
// @Every
if (clazz.isAnnotationPresent(Every.class)) {
try {
Job job = (Job) clazz.newInstance();
scheduledJobs.add(job);
String value = job.getClass().getAnnotation(Every.class).value();
if (value.startsWith("cron.")) {
value = Play.configuration.getProperty(value);
}
value = Expression.evaluate(value, value).toString();
if (!"never".equalsIgnoreCase(value)) {
executor.scheduleWithFixedDelay(
job, Time.parseDuration(value), Time.parseDuration(value), TimeUnit.SECONDS);
}
} catch (InstantiationException ex) {
throw new UnexpectedException("Cannot instanciate Job " + clazz.getName());
} catch (IllegalAccessException ex) {
throw new UnexpectedException("Cannot instanciate Job " + clazz.getName());
}
}
}
}
/**
* 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");
}