public void testDelayedTasksThatFiredAtTheSameTimeAreExecutedConcurrently()
throws InterruptedException, ExecutionException {
final AppScheduledExecutorService service = new AppScheduledExecutorService(getName());
final List<LogInfo> log = Collections.synchronizedList(new ArrayList<>());
int delay = 500;
int N = 20;
List<? extends Future<?>> futures =
ContainerUtil.map(
Collections.nCopies(N, ""),
__ ->
service.schedule(
() -> {
log.add(new LogInfo(0));
TimeoutUtil.sleep(10 * 1000);
},
delay,
TimeUnit.MILLISECONDS));
for (Future<?> future : futures) {
future.get();
}
assertEquals(N, log.size());
Set<Thread> usedThreads = ContainerUtil.map2Set(log, logInfo -> logInfo.currentThread);
assertEquals(N, usedThreads.size());
service.shutdownAppScheduledExecutorService();
assertTrue(service.awaitTermination(10, TimeUnit.SECONDS));
}
/**
* Constructs a new game.
*
* @param web <code>true</code> if this game is meant to be an applet (which can be played
* online), and <code>false</code> otherwise. Note: this doesn't work yet.
*/
public Game() {
Game.applet = false;
canvas = new Canvas(this);
solidShapes = Collections.newSetFromMap(new ConcurrentHashMap<Shape, Boolean>());
allShapes = Collections.newSetFromMap(new ConcurrentHashMap<Shape, Boolean>());
// TODO: sort out which data structures actually have to support concurrency
layerContents = new ConcurrentHashMap<Integer, java.util.List<Shape>>();
layers = new CopyOnWriteArrayList<Integer>();
layerOf = new ConcurrentHashMap<Shape, Integer>();
counters = new ArrayList<Counter>();
Mouse mouse = new Mouse();
if (applet) {
addMouseMotionListener(mouse);
addMouseListener(mouse);
addKeyListener(new Keyboard());
} else {
frame = new JFrame();
frame.addMouseMotionListener(mouse);
frame.addMouseListener(mouse);
frame.addKeyListener(new Keyboard());
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
setDefaults();
}
@Override
protected void doSubscribe(Node node, NotifyListener listener) {
List<NodeType> listenNodeTypes = node.getListenNodeTypes();
if (CollectionUtils.isEmpty(listenNodeTypes)) {
return;
}
for (NodeType listenNodeType : listenNodeTypes) {
String listenNodePath = NodeRegistryUtils.getNodeTypePath(clusterName, listenNodeType);
Notifier notifier = notifiers.get(listenNodePath);
if (notifier == null) {
Notifier newNotifier = new Notifier(listenNodePath);
notifiers.putIfAbsent(listenNodePath, newNotifier);
notifier = notifiers.get(listenNodePath);
if (notifier == newNotifier) {
notifier.start();
}
}
boolean success = false;
NodeRegistryException exception = null;
for (Map.Entry<String, JedisPool> entry : jedisPools.entrySet()) {
JedisPool jedisPool = entry.getValue();
try {
Jedis jedis = jedisPool.getResource();
try {
doNotify(
jedis,
Collections.singletonList(listenNodePath),
Collections.singletonList(listener));
success = true;
break; // 只需读一个服务器的数据
} finally {
jedis.close();
}
} catch (Throwable t) {
exception =
new NodeRegistryException(
"Failed to unregister node to redis registry. registry: "
+ entry.getKey()
+ ", node: "
+ node
+ ", cause: "
+ t.getMessage(),
t);
}
}
if (exception != null) {
if (success) {
LOGGER.warn(exception.getMessage(), exception);
} else {
throw exception;
}
}
}
}
/** {@inheritDoc} */
@Nullable
@Override
public Map<String, Collection<?>> run(GridStreamerContext ctx, Collection<Quote> quotes)
throws GridException {
GridStreamerWindow win = ctx.window("stage1");
// Add numbers to window.
win.enqueueAll(quotes);
Collection<Quote> polled = win.pollEvictedBatch();
if (!polled.isEmpty()) {
Map<String, Bar> map = new HashMap<>();
for (Quote quote : polled) {
String symbol = quote.symbol();
Bar bar = map.get(symbol);
if (bar == null) map.put(symbol, bar = new Bar(symbol));
bar.update(quote.price());
}
return Collections.<String, Collection<?>>singletonMap(ctx.nextStageName(), map.values());
}
return null;
}
public static Iterable<Object> context() {
if (ENABLED) {
return DebugScope.getInstance().getCurrentContext();
} else {
return Collections.emptyList();
}
}
private List<TransactionInfo> getTransactions(
Address source, Set<Integer> segments, int topologyId) {
if (trace) {
log.tracef(
"Requesting transactions for segments %s of cache %s from node %s",
segments, cacheName, source);
}
// get transactions and locks
try {
StateRequestCommand cmd =
commandsFactory.buildStateRequestCommand(
StateRequestCommand.Type.GET_TRANSACTIONS,
rpcManager.getAddress(),
topologyId,
segments);
Map<Address, Response> responses =
rpcManager.invokeRemotely(
Collections.singleton(source), cmd, ResponseMode.SYNCHRONOUS_IGNORE_LEAVERS, timeout);
Response response = responses.get(source);
if (response instanceof SuccessfulResponse) {
return (List<TransactionInfo>) ((SuccessfulResponse) response).getResponseValue();
}
log.failedToRetrieveTransactionsForSegments(segments, cacheName, source, null);
} catch (CacheException e) {
log.failedToRetrieveTransactionsForSegments(segments, cacheName, source, e);
}
return null;
}
/** Return all of the neighbors with whom we share the provided range. */
static Set<InetAddress> getNeighbors(String table, Range<Token> toRepair) {
StorageService ss = StorageService.instance;
Map<Range<Token>, List<InetAddress>> replicaSets = ss.getRangeToAddressMap(table);
Range<Token> rangeSuperSet = null;
for (Range<Token> range : ss.getLocalRanges(table)) {
if (range.contains(toRepair)) {
rangeSuperSet = range;
break;
} else if (range.intersects(toRepair)) {
throw new IllegalArgumentException(
"Requested range intersects a local range but is not fully contained in one; this would lead to imprecise repair");
}
}
if (rangeSuperSet == null || !replicaSets.containsKey(toRepair)) return Collections.emptySet();
Set<InetAddress> neighbors = new HashSet<InetAddress>(replicaSets.get(rangeSuperSet));
neighbors.remove(FBUtilities.getBroadcastAddress());
// Excluding all node with version <= 0.7 since they don't know how to
// create a correct merkle tree (they build it over the full range)
Iterator<InetAddress> iter = neighbors.iterator();
while (iter.hasNext()) {
InetAddress endpoint = iter.next();
if (Gossiper.instance.getVersion(endpoint) <= MessagingService.VERSION_07) {
logger.info(
"Excluding "
+ endpoint
+ " from repair because it is on version 0.7 or sooner. You should consider updating this node before running repair again.");
iter.remove();
}
}
return neighbors;
}
/**
* The gossip digest is built based on randomization rather than just looping through the
* collection of live endpoints.
*
* @param gDigests list of Gossip Digests.
*/
void makeRandomGossipDigest(List<GossipDigest> gDigests) {
/* Add the local endpoint state */
EndpointState epState = endpointStateMap_.get(localEndpoint_);
int generation = epState.getHeartBeatState().getGeneration();
int maxVersion = getMaxEndpointStateVersion(epState);
gDigests.add(new GossipDigest(localEndpoint_, generation, maxVersion));
List<InetAddress> endpoints = new ArrayList<InetAddress>(endpointStateMap_.keySet());
Collections.shuffle(endpoints, random_);
for (InetAddress endpoint : endpoints) {
epState = endpointStateMap_.get(endpoint);
if (epState != null) {
generation = epState.getHeartBeatState().getGeneration();
maxVersion = getMaxEndpointStateVersion(epState);
gDigests.add(new GossipDigest(endpoint, generation, maxVersion));
} else {
gDigests.add(new GossipDigest(endpoint, 0, 0));
}
}
/* FOR DEBUG ONLY - remove later */
StringBuilder sb = new StringBuilder();
for (GossipDigest gDigest : gDigests) {
sb.append(gDigest);
sb.append(" ");
}
if (logger_.isTraceEnabled()) logger_.trace("Gossip Digests are : " + sb.toString());
}
private void doNotify(Jedis jedis, String key) {
for (Map.Entry<Node, Set<NotifyListener>> entry :
new HashMap<Node, Set<NotifyListener>>(getSubscribed()).entrySet()) {
doNotify(
jedis, Collections.singletonList(key), new HashSet<NotifyListener>(entry.getValue()));
}
}
public List<TravelQuote> getRankedTravelQuotes(
TravelInfo travelInfo,
Set<TravelCompany> companies,
Comparator<TravelQuote> ranking,
long time,
TimeUnit unit)
throws InterruptedException {
List<QuoteTask> tasks = new ArrayList<QuoteTask>();
for (TravelCompany company : companies) tasks.add(new QuoteTask(company, travelInfo));
List<Future<TravelQuote>> futures = exec.invokeAll(tasks, time, unit);
List<TravelQuote> quotes = new ArrayList<TravelQuote>(tasks.size());
Iterator<QuoteTask> taskIter = tasks.iterator();
for (Future<TravelQuote> f : futures) {
QuoteTask task = taskIter.next();
try {
quotes.add(f.get());
} catch (ExecutionException e) {
quotes.add(task.getFailureQuote(e.getCause()));
} catch (CancellationException e) {
quotes.add(task.getTimeoutQuote(e));
}
}
Collections.sort(quotes, ranking);
return quotes;
}
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);
}
}
static {
Map<String, String> fakeData = new HashMap<>();
fakeData.put("http://www.weather.gov", "Weather forecast");
fakeData.put("http://www.espn.com", "Sports scores");
fakeData.put("http://www.marketwatch.com", "Stock market data");
fakeData.put("http://www.fandango.com", "Movie showtimes");
data = Collections.unmodifiableMap(fakeData);
}
@Override
protected List<O> execute(Task<I, O> task, List<I> batch) {
try {
return task.apply(batch);
} catch (IOException e) {
e.printStackTrace();
}
return Collections.emptyList();
}
/** {@inheritDoc} */
@Override
public final Map<? extends GridJob, GridNode> map(List<GridNode> subgrid, Callable<T> arg)
throws GridException {
assert subgrid != null;
assert !subgrid.isEmpty();
GridJob job = createJob(arg);
return Collections.singletonMap(job, balancer.getBalancedNode(job, null));
}
public static void main(String[] args) {
Date start = new Date();
if (args.length < 3) {
System.out.println("Wrong number of arguments:\n" + USAGE);
return;
}
// get # threads
int tc = Integer.parseInt(args[0]);
String outfile = args[1];
// make a threadsafe queue of all files to process
ConcurrentLinkedQueue<String> files = new ConcurrentLinkedQueue<String>();
for (int i = 2; i < args.length; i++) {
files.add(args[i]);
}
// hastable for results
Hashtable<String, Integer> results = new Hashtable<String, Integer>(HASH_SIZE, LF);
// spin up the threads
Thread[] workers = new Thread[tc];
for (int i = 0; i < tc; i++) {
workers[i] = new Worker(files, results);
workers[i].start();
}
// wait for them to finish
try {
for (int i = 0; i < tc; i++) {
workers[i].join();
}
} catch (Exception e) {
System.out.println("Caught Exception: " + e.getMessage());
}
// terminal output
Date end = new Date();
System.out.println(end.getTime() - start.getTime() + " total milliseconds");
System.out.println(results.size() + " unique words");
// sort results for easy comparison/verification
List<Map.Entry<String, Integer>> sorted_results =
new ArrayList<Map.Entry<String, Integer>>(results.entrySet());
Collections.sort(sorted_results, new KeyComp());
// file output
try {
PrintStream out = new PrintStream(outfile);
for (int i = 0; i < sorted_results.size(); i++) {
out.println(sorted_results.get(i).getKey() + "\t" + sorted_results.get(i).getValue());
}
} catch (Exception e) {
System.out.println("Caught Exception: " + e.getMessage());
}
}
/**
* Adds a new int parameter to be altered for the model being tuned.
*
* @param param the model parameter
* @param initialSearchValues the values to try for the specified parameter
*/
public void addParameter(IntParameter param, int... initialSearchValues) {
searchParams.add(param);
DoubleList dl = new DoubleList(initialSearchValues.length);
for (double d : initialSearchValues) dl.add(d);
Arrays.sort(dl.getBackingArray()); // convience, only really needed if param is warm
if (param.isWarmParameter() && !param.preferredLowToHigh())
Collections.reverse(dl); // put it in the prefered order
if (param.isWarmParameter()) // put it at the front!
searchValues.add(0, dl);
else searchValues.add(dl);
}
/**
* Returns all supported capture sizes.
*
* @return an array of capture sizes, in bytes, never <code>null</code>.
*/
public Integer[] getCaptureSizes() {
final String rawValue = this.properties.get(DEVICE_CAPTURESIZES);
final String[] values = rawValue.split(",\\s*");
final List<Integer> result = new ArrayList<Integer>();
for (String value : values) {
result.add(Integer.valueOf(value.trim()));
}
Collections.sort(
result, NumberUtils.<Integer>createNumberComparator(false /* aSortAscending */));
return result.toArray(new Integer[result.size()]);
}
public void testAwaitTerminationMakesSureTasksTransferredToBackendExecutorAreFinished()
throws InterruptedException, ExecutionException {
final AppScheduledExecutorService service = new AppScheduledExecutorService(getName());
final List<LogInfo> log = Collections.synchronizedList(new ArrayList<>());
int N = 20;
int delay = 500;
List<? extends Future<?>> futures =
ContainerUtil.map(
Collections.nCopies(N, ""),
s ->
service.schedule(
() -> {
TimeoutUtil.sleep(5000);
log.add(new LogInfo(0));
},
delay,
TimeUnit.MILLISECONDS));
TimeoutUtil.sleep(delay);
long start = System.currentTimeMillis();
while (!service.delayQueue.isEmpty() && System.currentTimeMillis() < start + 20000) {
// wait till all tasks transferred to backend
}
List<SchedulingWrapper.MyScheduledFutureTask> queuedTasks = new ArrayList<>(service.delayQueue);
if (!queuedTasks.isEmpty()) {
String s =
queuedTasks
.stream()
.map(BoundedTaskExecutor::info)
.collect(Collectors.toList())
.toString();
fail("Queued tasks left: " + s + ";\n" + queuedTasks);
}
service.shutdownAppScheduledExecutorService();
assertTrue(service.awaitTermination(20, TimeUnit.SECONDS));
for (Future<?> future : futures) {
assertTrue(future.isDone());
}
assertEquals(log.toString(), N, log.size());
}
/**
* Set the layer that a given shape will be displayed in. Since the shapes in this game are two
* dimensional, it must be decided which will appear "on top" when two shapes overlap. The shape
* in the higher layer will appear on top.
*
* <p>Setting a shape's layer will only affect how it is displayed; a shape's layer has no effect
* on how it interacts with other shapes. (For example, two shapes can touch even if they are in
* different layers. See {@link Shape#isTouching(Shape)}.)
*
* @param shape the shape whose layer is being set.
* @param layer the layer into which this shape will be moved.
*/
static void setLayer(Shape shape, int layer) {
removeFromLayers(shape);
// add new stuff
if (!layerContents.containsKey(layer)) {
layerContents.put(layer, new CopyOnWriteArrayList<Shape>());
int insertionPoint = ~Collections.binarySearch(layers, layer);
layers.add(insertionPoint, layer);
}
layerContents.get(layer).add(shape);
layerOf.put(shape, layer);
}
/**
* Adds a new double parameter to be altered for the model being tuned.
*
* @param param the model parameter
* @param initialSearchValues the values to try for the specified parameter
*/
public void addParameter(DoubleParameter param, double... initialSearchValues) {
if (param == null) throw new IllegalArgumentException("null not allowed for parameter");
searchParams.add(param);
DoubleList dl = new DoubleList(initialSearchValues.length);
for (double d : initialSearchValues) dl.add(d);
Arrays.sort(dl.getBackingArray()); // convience, only really needed if param is warm
if (param.isWarmParameter() && !param.preferredLowToHigh())
Collections.reverse(dl); // put it in the prefered order
if (param.isWarmParameter()) // put it at the front!
searchValues.add(0, dl);
else searchValues.add(dl);
}
/**
* Test file creation.
*
* @throws Exception In case of exception.
*/
public void testCreateFile() throws Exception {
GridGgfsPath root = new GridGgfsPath("/");
GridGgfsPath path = new GridGgfsPath("/asdf");
long max = 100L * CFG_BLOCK_SIZE / WRITING_THREADS_CNT;
for (long size = 0; size <= max; size = size * 15 / 10 + 1) {
assertEquals(Collections.<GridGgfsPath>emptyList(), fs.listPaths(root));
testCreateFile(path, size, new Random().nextInt());
}
}
static class Holder {
Holder(MongoOptions options) {
_options = options;
}
DBPortPool get(InetSocketAddress addr) {
DBPortPool p = _pools.get(addr);
if (p != null) return p;
synchronized (_pools) {
p = _pools.get(addr);
if (p != null) {
return p;
}
p = new DBPortPool(addr, _options);
_pools.put(addr, p);
String name = "com.mongodb:type=ConnectionPool,host=" + addr.toString().replace(':', '_');
try {
ObjectName on = new ObjectName(name);
if (_server.isRegistered(on)) {
_server.unregisterMBean(on);
Bytes.LOGGER.log(
Level.INFO, "multiple Mongo instances for same host, jmx numbers might be off");
}
_server.registerMBean(p, on);
} catch (JMException e) {
Bytes.LOGGER.log(Level.WARNING, "jmx registration error, continuing", e);
} catch (java.security.AccessControlException e) {
Bytes.LOGGER.log(Level.WARNING, "jmx registration error, continuing", e);
}
}
return p;
}
void close() {
synchronized (_pools) {
for (DBPortPool p : _pools.values()) {
p.close();
}
}
}
final MongoOptions _options;
final Map<InetSocketAddress, DBPortPool> _pools =
Collections.synchronizedMap(new HashMap<InetSocketAddress, DBPortPool>());
final MBeanServer _server = ManagementFactory.getPlatformMBeanServer();
}
/**
* @param cacheCtx Cache context.
* @throws IgniteCheckedException If failed.
*/
private void initTopology(GridCacheContext cacheCtx) throws IgniteCheckedException {
if (stopping(cacheCtx.cacheId())) return;
if (canCalculateAffinity(cacheCtx)) {
if (log.isDebugEnabled())
log.debug(
"Will recalculate affinity [locNodeId="
+ cctx.localNodeId()
+ ", exchId="
+ exchId
+ ']');
cacheCtx.affinity().calculateAffinity(exchId.topologyVersion(), discoEvt);
} else {
if (log.isDebugEnabled())
log.debug(
"Will request affinity from remote node [locNodeId="
+ cctx.localNodeId()
+ ", exchId="
+ exchId
+ ']');
// Fetch affinity assignment from remote node.
GridDhtAssignmentFetchFuture fetchFut =
new GridDhtAssignmentFetchFuture(
cacheCtx,
exchId.topologyVersion(),
CU.affinityNodes(cacheCtx, exchId.topologyVersion()));
fetchFut.init();
List<List<ClusterNode>> affAssignment = fetchFut.get();
if (log.isDebugEnabled())
log.debug(
"Fetched affinity from remote node, initializing affinity assignment [locNodeId="
+ cctx.localNodeId()
+ ", topVer="
+ exchId.topologyVersion()
+ ']');
if (affAssignment == null) {
affAssignment = new ArrayList<>(cacheCtx.affinity().partitions());
List<ClusterNode> empty = Collections.emptyList();
for (int i = 0; i < cacheCtx.affinity().partitions(); i++) affAssignment.add(empty);
}
cacheCtx.affinity().initializeAffinity(exchId.topologyVersion(), affAssignment);
}
}
public List<LoopEx> outterFirst() {
ArrayList<LoopEx> loops = new ArrayList<>(loops());
Collections.sort(
loops,
new Comparator<LoopEx>() {
@Override
public int compare(LoopEx o1, LoopEx o2) {
return o1.lirLoop().depth - o2.lirLoop().depth;
}
});
return loops;
}
@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 call() {
final List<RolapStar> starList = CacheControlImpl.getStarList(region);
Collections.sort(
starList,
new Comparator<RolapStar>() {
public int compare(RolapStar o1, RolapStar o2) {
return o1.getFactTable().getAlias().compareTo(o2.getFactTable().getAlias());
}
});
for (RolapStar star : starList) {
indexRegistry.getIndex(star).printCacheState(pw);
}
return null;
}
private void generateRemainingPagesQueueForAllFiles() {
List<Integer>[] array = new ArrayList[FILE_COUNT];
for (int k = 0; k < FILE_COUNT; ++k) {
array[k] = new ArrayList<Integer>(PAGE_COUNT);
for (Integer i = 0; i < PAGE_COUNT; ++i) {
array[k].add(i);
}
}
for (int i = 0; i < FILE_COUNT; ++i) {
Collections.shuffle(array[i]);
pagesQueue.set(i, new ConcurrentLinkedQueue<Integer>(array[i]));
}
}
public static void main(String[] args) throws Exception {
// Test with Hashtable Object
hashtableObj = new Hashtable<String, Integer>();
performTest(hashtableObj);
// Test with synchronizedMap Object
syncMapObj = Collections.synchronizedMap(new HashMap<String, Integer>());
performTest(syncMapObj);
// Test with ConcurrentHashMap Object
concurrentHashMapObj = new ConcurrentHashMap<String, Integer>();
performTest(concurrentHashMapObj);
}
/** {@inheritDoc} */
public List<$T> readAllNow() {
lockWrite();
try {
int $p = $gate.drainPermits();
if ($p == 0) {
return Collections.emptyList();
} else {
List<$T> $v = new ArrayList<$T>($p);
for (int $i = 0; $i < $p; $i++) $v.add($queue.poll());
return $v;
}
} finally {
unlockWrite();
checkForFinale();
}
}
/**
* @param p Partition.
* @param topVer Topology version ({@code -1} for all nodes).
* @param state Partition state.
* @param states Additional partition states.
* @return List of nodes for the partition.
*/
private List<ClusterNode> nodes(
int p,
AffinityTopologyVersion topVer,
GridDhtPartitionState state,
GridDhtPartitionState... states) {
Collection<UUID> allIds =
topVer.topologyVersion() > 0 ? F.nodeIds(CU.affinityNodes(cctx, topVer)) : null;
lock.readLock().lock();
try {
assert node2part != null && node2part.valid()
: "Invalid node-to-partitions map [topVer="
+ topVer
+ ", allIds="
+ allIds
+ ", node2part="
+ node2part
+ ", cache="
+ cctx.name()
+ ']';
Collection<UUID> nodeIds = part2node.get(p);
// Node IDs can be null if both, primary and backup, nodes disappear.
int size = nodeIds == null ? 0 : nodeIds.size();
if (size == 0) return Collections.emptyList();
List<ClusterNode> nodes = new ArrayList<>(size);
for (UUID id : nodeIds) {
if (topVer.topologyVersion() > 0 && !allIds.contains(id)) continue;
if (hasState(p, id, state, states)) {
ClusterNode n = cctx.discovery().node(id);
if (n != null && (topVer.topologyVersion() < 0 || n.order() <= topVer.topologyVersion()))
nodes.add(n);
}
}
return nodes;
} finally {
lock.readLock().unlock();
}
}
