/** {@inheritDoc} */
@Override
public final void removeX() throws GridException {
if (closed.get()) throw new NoSuchElementException("Iterator has been closed.");
try {
onRemove();
} catch (GridException e) {
if (!closed.get()) throw e;
}
}
/** {@inheritDoc} */
@Override
public final void stop(boolean cancel) {
if (!starting.get() || !stop.compareAndSet(false, true))
// Ignoring attempt to stop manager that has never been started.
return;
stop0(cancel);
if (log != null && log.isDebugEnabled()) log.debug(stopInfo());
}
public void testRPCInterrupted() throws IOException, InterruptedException {
final MiniDFSCluster cluster;
Configuration conf = new Configuration();
cluster = new MiniDFSCluster(conf, 3, true, null);
final AtomicBoolean passed = new AtomicBoolean(false);
try {
cluster.waitActive();
Thread rpcThread =
new Thread(
new Runnable() {
@Override
public void run() {
FileSystem fs = null;
try {
fs = cluster.getUniqueFileSystem();
int i = 0;
while (true) {
fs.create(new Path(String.format("/file-%09d", i++)));
fs.listStatus(new Path("/"));
}
} catch (IOException e) {
if (e.getCause() instanceof InterruptedException) {
// the underlying InterruptedException should be wrapped to an
// IOException and end up here
passed.set(true);
} else {
passed.set(false);
fail(e.getMessage());
}
} finally {
if (fs != null) {
try {
fs.close();
} catch (IOException e) {
passed.set(false);
LOG.error(e);
fail(e.toString());
}
}
}
}
});
FileSystem fs2 = cluster.getUniqueFileSystem();
rpcThread.start();
Thread.sleep(1000);
rpcThread.interrupt();
rpcThread.join();
FileStatus[] statuses = fs2.listStatus(new Path("/"));
assertTrue("expect at least 1 file created", statuses.length > 0);
assertTrue("error in writing thread, see above", passed.get());
} finally {
cluster.shutdown();
}
}
/** {@inheritDoc} */
@Override
public final boolean hasNextX() throws GridException {
if (closed.get()) return false;
try {
return onHasNext();
} catch (GridException e) {
if (closed.get()) return false;
else throw e;
}
}
/** {@inheritDoc} */
@Override
public final T nextX() throws GridException {
if (closed.get()) return null;
try {
if (!onHasNext()) throw new NoSuchElementException();
return onNext();
} catch (GridException e) {
if (closed.get()) return null;
else throw e;
}
}
public static void main(String[] args) throws Exception {
final Config config = Config.loadFromDisk("nexus-importer");
final HTTPCache http = HttpClient.createHttpCache(config);
final XmlParser xmlParser = new XmlParser();
final BoneCPDataSource boneCp = config.createBoneCp();
XmlParser.debugXml = false;
ObjectManager<NexusServerDto, ActorRef<NexusServer>> serverManager =
new ObjectManager<>(
"Nexus server",
Collections.<NexusServerDto>emptySet(),
new ObjectFactory<NexusServerDto, ActorRef<NexusServer>>() {
public ActorRef<NexusServer> create(NexusServerDto server) {
final NexusClient client = new NexusClient(http, server.url);
String name = server.name;
return ObjectUtil.threadedActor(
name,
config.nexusUpdateInterval,
boneCp,
"Nexus Server: " + name,
new NexusServer(client, server, xmlParser));
}
});
final AtomicBoolean shouldRun = new AtomicBoolean(true);
config.addShutdownHook(currentThread(), shouldRun);
while (shouldRun.get()) {
try {
List<NexusServerDto> newKeys;
try (Connection c = boneCp.getConnection()) {
newKeys = new NexusDao(c).selectServer();
}
serverManager.update(newKeys);
} catch (SQLException e) {
e.printStackTrace(System.out);
}
synchronized (shouldRun) {
shouldRun.wait(60 * 1000);
}
}
serverManager.close();
}
/**
* @param cancel {@code True} to close with cancellation.
* @throws GridException If failed.
*/
@Override
public void close(boolean cancel) throws GridException {
if (!closed.compareAndSet(false, true)) return;
busyLock.block();
if (log.isDebugEnabled())
log.debug("Closing data loader [ldr=" + this + ", cancel=" + cancel + ']');
GridException e = null;
try {
// Assuming that no methods are called on this loader after this method is called.
if (cancel) {
cancelled = true;
for (Buffer buf : bufMappings.values()) buf.cancelAll();
} else doFlush();
ctx.event().removeLocalEventListener(discoLsnr);
ctx.io().removeMessageListener(topic);
} catch (GridException e0) {
e = e0;
}
fut.onDone(null, e);
if (e != null) throw e;
}
@Override
public void waitForPairing(PairingListener listener) {
Preconditions.checkNotNull(listener);
logger.info("Waiting for test notification to pair device");
pairingListener = listener;
waitingForPairing.set(true);
}
/**
* Check whether provided path must be excluded from evictions.
*
* @param path Path.
* @return {@code True} in case non block of related file must be excluded.
* @throws GridException In case of faulty patterns.
*/
public boolean exclude(GridGgfsPath path) throws GridException {
assert path != null;
Collection<Pattern> excludePatterns0;
if (excludeRecompile.compareAndSet(true, false)) {
// Recompile.
Collection<String> excludePaths0 = excludePaths;
if (excludePaths0 != null) {
excludePatterns0 = new HashSet<>(excludePaths0.size(), 1.0f);
for (String excludePath : excludePaths0) {
try {
excludePatterns0.add(Pattern.compile(excludePath));
} catch (PatternSyntaxException ignore) {
throw new GridException("Invalid regex pattern: " + excludePath);
}
}
excludePatterns = excludePatterns0;
} else excludePatterns0 = excludePatterns = null;
} else excludePatterns0 = excludePatterns;
if (excludePatterns0 != null) {
String pathStr = path.toString();
for (Pattern pattern : excludePatterns0) {
if (pattern.matcher(pathStr).matches()) return true;
}
}
return false;
}
/** {@inheritDoc} */
@Override
public final void onKernalStop(boolean cancel) {
if (!starting.get())
// Ignoring attempt to stop manager that has never been started.
return;
onKernalStop0(cancel);
if (log != null && log.isDebugEnabled()) log.debug(kernalStopInfo());
}
/** {@inheritDoc} */
@Override
public final void start(GridCacheSharedContext<K, V> cctx) throws IgniteCheckedException {
if (!starting.compareAndSet(false, true))
assert false : "Method start is called more than once for manager: " + this;
assert cctx != null;
this.cctx = cctx;
log = cctx.logger(getClass());
start0();
if (log.isDebugEnabled()) log.debug(startInfo());
}
/** @throws GridException If operation failed. */
private void initializeLatch() throws GridException {
if (initGuard.compareAndSet(false, true)) {
try {
internalLatch =
CU.outTx(
new Callable<CountDownLatch>() {
@Override
public CountDownLatch call() throws Exception {
GridCacheTx tx =
CU.txStartInternal(ctx, latchView, PESSIMISTIC, REPEATABLE_READ);
try {
GridCacheCountDownLatchValue val = latchView.get(key);
if (val == null) {
if (log.isDebugEnabled())
log.debug("Failed to find count down latch with given name: " + name);
assert cnt == 0;
return new CountDownLatch(cnt);
}
tx.commit();
return new CountDownLatch(val.get());
} finally {
tx.end();
}
}
},
ctx);
if (log.isDebugEnabled()) log.debug("Initialized internal latch: " + internalLatch);
} finally {
initLatch.countDown();
}
} else {
try {
initLatch.await();
} catch (InterruptedException ignored) {
throw new GridException("Thread has been interrupted.");
}
if (internalLatch == null)
throw new GridException("Internal latch has not been properly initialized.");
}
}
/** @param e Node left exception. */
void onResult(GridTopologyException e) {
if (isDone()) return;
if (rcvRes.compareAndSet(false, true)) {
if (log.isDebugEnabled())
log.debug(
"Remote node left grid while sending or waiting for reply (will fail): " + this);
if (tx != null) tx.removeMapping(node.id());
// Primary node left the grid, so fail the future.
GridNearLockFuture.this.onDone(newTopologyException(e, node.id()));
onDone(true);
}
}
public EmReactor() {
Timers = new TreeMap<Long, ArrayList<Long>>();
Connections = new HashMap<Long, EventableChannel>();
Acceptors = new HashMap<Long, ServerSocketChannel>();
NewConnections = new ArrayList<Long>();
UnboundConnections = new ArrayList<Long>();
DetachedConnections = new ArrayList<EventableSocketChannel>();
BindingIndex = 0;
loopBreaker = new AtomicBoolean();
loopBreaker.set(false);
myReadBuffer =
ByteBuffer.allocate(
32 * 1024); // don't use a direct buffer. Ruby doesn't seem to like them.
timerQuantum = 98;
}
private <E> Predicate<E> createJoinPredicate(final AtomicBoolean more) {
if (column == null && this.nodes == null) return null;
final EntityCache<E> joinCache = this.joinEntity.getCache();
Predicate<E> filter = createElementPredicate(joinCache, true);
if (this.nodes != null) {
for (FilterNode node : this.nodes) {
if (((FilterJoinNode) node).joinClass != this.joinClass) {
more.set(true);
continue;
}
Predicate<E> f = ((FilterJoinNode) node).createJoinPredicate(more);
if (f == null) continue;
final Predicate<E> one = filter;
final Predicate<E> two = f;
filter =
(filter == null)
? f
: (or
? new Predicate<E>() {
@Override
public boolean test(E t) {
return one.test(t) || two.test(t);
}
@Override
public String toString() {
return "(" + one + " OR " + two + ")";
}
}
: new Predicate<E>() {
@Override
public boolean test(E t) {
return one.test(t) && two.test(t);
}
@Override
public String toString() {
return "(" + one + " AND " + two + ")";
}
});
}
}
return filter;
}
/** @param e Error. */
void onResult(Throwable e) {
if (rcvRes.compareAndSet(false, true)) {
if (log.isDebugEnabled())
log.debug("Failed to get future result [fut=" + this + ", err=" + e + ']');
// Fail.
onDone(e);
} else
U.warn(
log,
"Received error after another result has been processed [fut="
+ GridNearLockFuture.this
+ ", mini="
+ this
+ ']',
e);
}
public void testAdd() throws Exception {
getIdentitiesOfFiles();
fillFilesWithContent();
validateFilesContent(version.byteValue());
version.compareAndSet(1, 2);
continuousWrite.compareAndSet(true, false);
generateRemainingPagesQueueForAllFiles();
executeConcurrentRandomReadAndWriteOperations();
buffer.flushBuffer();
validateFilesContent(version.byteValue());
}
void runLoopbreaks() {
if (loopBreaker.getAndSet(false)) {
eventCallback(0, EM_LOOPBREAK_SIGNAL, null);
}
}
/** @param res Result callback. */
void onResult(GridNearLockResponse<K, V> res) {
if (rcvRes.compareAndSet(false, true)) {
if (res.error() != null) {
if (log.isDebugEnabled())
log.debug(
"Finishing mini future with an error due to error in response [miniFut="
+ this
+ ", res="
+ res
+ ']');
// Fail.
if (res.error() instanceof GridCacheLockTimeoutException) onDone(false);
else onDone(res.error());
return;
}
int i = 0;
long topVer = topSnapshot.get().topologyVersion();
for (K k : keys) {
while (true) {
GridNearCacheEntry<K, V> entry = cctx.near().entryExx(k, topVer);
try {
if (res.dhtVersion(i) == null) {
onDone(
new GridException(
"Failed to receive DHT version from remote node "
+ "(will fail the lock): "
+ res));
return;
}
GridTuple3<GridCacheVersion, V, byte[]> oldValTup = valMap.get(entry.key());
V oldVal = entry.rawGet();
boolean hasOldVal = false;
V newVal = res.value(i);
byte[] newBytes = res.valueBytes(i);
boolean readRecordable = false;
if (retval) {
readRecordable = cctx.events().isRecordable(EVT_CACHE_OBJECT_READ);
if (readRecordable) hasOldVal = entry.hasValue();
}
GridCacheVersion dhtVer = res.dhtVersion(i);
GridCacheVersion mappedVer = res.mappedVersion(i);
if (newVal == null) {
if (oldValTup != null) {
if (oldValTup.get1().equals(dhtVer)) {
newVal = oldValTup.get2();
newBytes = oldValTup.get3();
}
oldVal = oldValTup.get2();
}
}
// Lock is held at this point, so we can set the
// returned value if any.
entry.resetFromPrimary(newVal, newBytes, lockVer, dhtVer, node.id());
if (inTx() && implicitTx() && tx.onePhaseCommit()) {
boolean pass = res.filterResult(i);
tx.entry(k).filters(pass ? CU.<K, V>empty() : CU.<K, V>alwaysFalse());
}
entry.readyNearLock(
lockVer,
mappedVer,
res.committedVersions(),
res.rolledbackVersions(),
res.pending());
if (retval) {
if (readRecordable)
cctx.events()
.addEvent(
entry.partition(),
entry.key(),
tx,
null,
EVT_CACHE_OBJECT_READ,
newVal,
newVal != null || newBytes != null,
oldVal,
hasOldVal,
CU.subjectId(tx, cctx));
cctx.cache().metrics0().onRead(false);
}
if (log.isDebugEnabled())
log.debug("Processed response for entry [res=" + res + ", entry=" + entry + ']');
break; // Inner while loop.
} catch (GridCacheEntryRemovedException ignored) {
if (log.isDebugEnabled())
log.debug("Failed to add candidates because entry was removed (will renew).");
// Replace old entry with new one.
entries.set(i, (GridDistributedCacheEntry<K, V>) cctx.cache().entryEx(entry.key()));
} catch (GridException e) {
onDone(e);
return;
}
}
i++;
}
try {
proceedMapping(mappings);
} catch (GridException e) {
onDone(e);
}
onDone(true);
}
}
public static boolean testRendezvousChannel() {
final int SERVER_THREADS = 10;
final int CLIENT_THREADS = 10;
final int SERVER_MAX_TIMEOUT = 20;
final int CLIENT_MAX_TIMEOUT = 100;
final int TIMEOUT_PERCENT = 50;
final int MAX_SERVICE_TIME = 30;
final int EXIT_TIME = 50;
final int FAILURES_PERCENT = 1;
Thread[] servers = new Thread[SERVER_THREADS];
Thread[] clients = new Thread[CLIENT_THREADS];
final RendezvousChannel_<Integer, Integer> rvc = new RendezvousChannel_<Integer, Integer>();
final AtomicBoolean shutdown = new AtomicBoolean();
final int[] successfulServices = new int[SERVER_THREADS];
final int[] failedServices = new int[SERVER_THREADS];
final int[] successfulRequests = new int[CLIENT_THREADS];
final int[] failedRequests = new int[CLIENT_THREADS];
//
// Create and start the server threads.
//
for (int i = 0; i < SERVER_THREADS; i++) {
final int tid = i;
servers[i] =
new Thread() {
public void run() {
Random r = new Random(tid);
int count = 0;
int timeouts = 0;
long timeout;
System.out.println("++server #" + tid + " started...");
// loops:
// do {
RendezvousChannel.RendezVousToken<Integer, Integer> request;
try {
timeout = r.nextInt(100) < TIMEOUT_PERCENT ? r.nextInt(SERVER_MAX_TIMEOUT) : -1L;
timeout = 100;
while ((request = rvc.accept(timeout)) == null) {
timeouts++;
// if (shutdown.get()) {
// break loops;
// }
}
//
// Simulate the service time.
//
sleepCatchingInterrupt(r.nextInt(MAX_SERVICE_TIME));
//
// Compute the result doubling the request argument.
//
int serviceResult = request.service.intValue() << 1;
//
// Inject failures.
//
if (r.nextInt(100) < FAILURES_PERCENT) {
serviceResult++; // fail!
failedServices[tid]++;
} else {
successfulServices[tid]++;
}
//
// Reply with the service result.
//
rvc.reply(request, serviceResult);
//
// Increment service count and periodically display the "alive" message.
//
if ((++count % 100) == 0) {
System.out.print("[s#" + tid + "]");
}
} catch (InterruptedException ie) {
}
// } while (!shutdown.get());
//
// Show server thread results.
//
System.out.println(
"--server #"
+ tid
+ " exiting, "
+ count
+ " requests accepted, "
+ timeouts
+ " timed out");
}
};
servers[i].start();
}
// Create and start the client threads.
for (int i = 0; i < CLIENT_THREADS; i++) {
final int tid = i;
clients[i] =
new Thread() {
public void run() {
Random r = new Random(tid + SERVER_THREADS);
int count = 0;
int timeouts = 0;
System.out.println("++client #" + tid + " started...");
// loops:
// do {
Integer response;
try {
long timeout =
r.nextInt(100) < TIMEOUT_PERCENT ? r.nextInt(CLIENT_MAX_TIMEOUT) : -1L;
timeout = 100;
int serviceArgument = tid + 1;
while ((response = rvc.request(serviceArgument, timeout)) == null) {
timeouts++;
// if (shutdown.get()) {
// break loops;
// }
}
int serviceResult = response.intValue();
if (serviceResult == serviceArgument << 1) {
successfulRequests[tid]++;
} else {
failedRequests[tid]++;
/*
System.out.println("\n!!client #" + tid + " service failure: expected/received " +
(serviceArgument << 1) + "/" + serviceResult);
*/
}
//
// Increment request count and periodically display the "alive" menssage.
//
if ((++count % 100) == 0) {
System.out.print("[c#" + tid + "]");
}
} catch (InterruptedException ie) {
}
// } while (!shutdown.get());
System.out.println(
"--client #"
+ tid
+ " exiting, "
+ count
+ " requests processed, "
+ timeouts
+ " timed out");
}
};
clients[i].start();
}
//
// Run the test until <enter> and then set the shutdown flag.
//
System.out.print("\n+++ hit <enter> to terminate the test...");
readln();
shutdown.set(true);
//
// Sleep for a while to let all threads exited.
//
sleepCatchingInterrupt(EXIT_TIME);
//
// Wait until all client threads have been exited.
//
for (int i = 0; i < CLIENT_THREADS; i++) {
if (clients[i].isAlive()) {
System.out.println("!!! client #" + i + " is still alive, so it will be interrupted");
clients[i].interrupt();
}
joinUninterruptibly(clients[i]);
}
//
// Wait until all server threads have been exited.
//
for (int i = 0; i < SERVER_THREADS; i++) {
if (servers[i].isAlive()) {
System.out.println("!!! server #" + i + " is still alive, so it will be interrupted");
servers[i].interrupt();
}
joinUninterruptibly(servers[i]);
}
//
// Compute and display results.
//
long sumFailedRequests = 0, sumSuccessfulRequests = 0;
for (int i = 0; i < CLIENT_THREADS; i++) {
sumSuccessfulRequests += successfulRequests[i];
sumFailedRequests += failedRequests[i];
}
long sumFailedServices = 0, sumSuccessfulServices = 0;
for (int i = 0; i < SERVER_THREADS; i++) {
sumSuccessfulServices += successfulServices[i];
sumFailedServices += failedServices[i];
}
System.out.println(
"+++ successfull requests/services: "
+ sumSuccessfulRequests
+ "/"
+ sumSuccessfulServices
+ ", failed requests/services: "
+ sumFailedRequests
+ "/"
+ sumFailedServices);
return sumSuccessfulRequests == sumSuccessfulServices && sumFailedRequests == sumFailedServices;
}
/**
* Initializes store.
*
* @throws GridException If failed to initialize.
*/
private void init() throws GridException {
if (initGuard.compareAndSet(false, true)) {
if (log.isDebugEnabled()) log.debug("Initializing cache store.");
try {
if (sesFactory != null)
// Session factory has been provided - nothing to do.
return;
if (!F.isEmpty(hibernateCfgPath)) {
try {
URL url = new URL(hibernateCfgPath);
sesFactory = new Configuration().configure(url).buildSessionFactory();
if (log.isDebugEnabled()) log.debug("Configured session factory using URL: " + url);
// Session factory has been successfully initialized.
return;
} catch (MalformedURLException e) {
if (log.isDebugEnabled())
log.debug("Caught malformed URL exception: " + e.getMessage());
}
// Provided path is not a valid URL. File?
File cfgFile = new File(hibernateCfgPath);
if (cfgFile.exists()) {
sesFactory = new Configuration().configure(cfgFile).buildSessionFactory();
if (log.isDebugEnabled())
log.debug("Configured session factory using file: " + hibernateCfgPath);
// Session factory has been successfully initialized.
return;
}
// Provided path is not a file. Classpath resource?
sesFactory = new Configuration().configure(hibernateCfgPath).buildSessionFactory();
if (log.isDebugEnabled())
log.debug("Configured session factory using classpath resource: " + hibernateCfgPath);
} else {
if (hibernateProps == null) {
U.warn(
log, "No Hibernate configuration has been provided for store (will use default).");
hibernateProps = new Properties();
hibernateProps.setProperty("hibernate.connection.url", DFLT_CONN_URL);
hibernateProps.setProperty("hibernate.show_sql", DFLT_SHOW_SQL);
hibernateProps.setProperty("hibernate.hbm2ddl.auto", DFLT_HBM2DDL_AUTO);
}
Configuration cfg = new Configuration();
cfg.setProperties(hibernateProps);
assert resourceAvailable(MAPPING_RESOURCE);
cfg.addResource(MAPPING_RESOURCE);
sesFactory = cfg.buildSessionFactory();
if (log.isDebugEnabled())
log.debug("Configured session factory using properties: " + hibernateProps);
}
} catch (HibernateException e) {
throw new GridException("Failed to initialize store.", e);
} finally {
initLatch.countDown();
}
} else if (initLatch.getCount() > 0) U.await(initLatch);
if (sesFactory == null) throw new GridException("Cache store was not properly initialized.");
}
/**
* Asynchronous sequence update operation. Will add given amount to the sequence value.
*
* @param l Increment amount.
* @param updateCall Cache call that will update sequence reservation count in accordance with l.
* @param updated If {@code true}, will return sequence value after update, otherwise will return
* sequence value prior to update.
* @return Future indicating sequence value.
* @throws GridException If update failed.
*/
private GridFuture<Long> internalUpdateAsync(
long l, @Nullable Callable<Long> updateCall, boolean updated) throws GridException {
checkRemoved();
A.ensure(l > 0, " Parameter mustn't be less then 1: " + l);
lock.lock();
try {
// If reserved range isn't exhausted.
if (locVal + l <= upBound) {
long curVal = locVal;
locVal += l;
return new GridFinishedFuture<Long>(ctx.kernalContext(), updated ? locVal : curVal);
}
} finally {
lock.unlock();
}
if (updateCall == null) updateCall = internalUpdate(l, updated);
while (true) {
if (updateGuard.compareAndSet(false, true)) {
try {
// This call must be outside lock.
return ctx.closures().callLocalSafe(updateCall, true);
} finally {
lock.lock();
try {
updateGuard.set(false);
cond.signalAll();
} finally {
lock.unlock();
}
}
} else {
lock.lock();
try {
while (locVal >= upBound && updateGuard.get()) {
try {
cond.await(500, MILLISECONDS);
} catch (InterruptedException e) {
throw new GridInterruptedException(e);
}
}
checkRemoved();
// If reserved range isn't exhausted.
if (locVal + l <= upBound) {
long curVal = locVal;
locVal += l;
return new GridFinishedFuture<Long>(ctx.kernalContext(), updated ? locVal : curVal);
}
} finally {
lock.unlock();
}
}
}
}
@Override
public boolean isWaitingForPairing() {
return waitingForPairing.get();
}
/**
* Synchronous sequence update operation. Will add given amount to the sequence value.
*
* @param l Increment amount.
* @param updateCall Cache call that will update sequence reservation count in accordance with l.
* @param updated If {@code true}, will return sequence value after update, otherwise will return
* sequence value prior to update.
* @return Sequence value.
* @throws GridException If update failed.
*/
private long internalUpdate(long l, @Nullable Callable<Long> updateCall, boolean updated)
throws GridException {
checkRemoved();
assert l > 0;
lock.lock();
try {
// If reserved range isn't exhausted.
if (locVal + l <= upBound) {
long curVal = locVal;
locVal += l;
return updated ? locVal : curVal;
}
} finally {
lock.unlock();
}
if (updateCall == null) updateCall = internalUpdate(l, updated);
while (true) {
if (updateGuard.compareAndSet(false, true)) {
try {
// This call must be outside lock.
return CU.outTx(updateCall, ctx);
} finally {
lock.lock();
try {
updateGuard.set(false);
cond.signalAll();
} finally {
lock.unlock();
}
}
} else {
lock.lock();
try {
while (locVal >= upBound && updateGuard.get()) {
try {
cond.await(500, MILLISECONDS);
} catch (InterruptedException e) {
throw new GridInterruptedException(e);
}
}
checkRemoved();
// If reserved range isn't exhausted.
if (locVal + l <= upBound) {
long curVal = locVal;
locVal += l;
return updated ? locVal : curVal;
}
} finally {
lock.unlock();
}
}
}
}
/** @return {@code True} */
public boolean onAdded() {
return added.compareAndSet(false, true);
}
@Override
protected <T, E> Predicate<T> createPredicate(final EntityCache<T> cache) {
if (column == null && this.nodes == null) return null;
final EntityCache<E> joinCache = this.joinEntity.getCache();
final AtomicBoolean more = new AtomicBoolean();
Predicate<E> filter = createJoinPredicate(more);
Predicate<T> rs = null;
if (filter == null && !more.get()) return rs;
if (filter != null) {
final Predicate<E> inner = filter;
rs =
new Predicate<T>() {
@Override
public boolean test(final T t) {
Predicate<E> joinPredicate = null;
for (String joinColumn : joinColumns) {
final Serializable key = cache.getAttribute(joinColumn).get(t);
final Attribute<E, Serializable> joinAttr = joinCache.getAttribute(joinColumn);
Predicate<E> p = (E e) -> key.equals(joinAttr.get(e));
joinPredicate = joinPredicate == null ? p : joinPredicate.and(p);
}
return joinCache.exists(inner.and(joinPredicate));
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append(" #-- ON ")
.append(joinColumns[0])
.append("=")
.append(joinClass == null ? "null" : joinClass.getSimpleName())
.append(".")
.append(joinColumns[0]);
for (int i = 1; i < joinColumns.length; i++) {
sb.append(" AND ")
.append(joinColumns[i])
.append("=")
.append(joinClass == null ? "null" : joinClass.getSimpleName())
.append(".")
.append(joinColumns[i]);
}
sb.append(" --# ").append(inner.toString());
return sb.toString();
}
};
}
if (more.get()) { // 存在不同Class的关联表
if (this.nodes != null) {
for (FilterNode node : this.nodes) {
if (((FilterJoinNode) node).joinClass == this.joinClass) continue;
Predicate<T> f = node.createPredicate(cache);
if (f == null) continue;
final Predicate<T> one = rs;
final Predicate<T> two = f;
rs =
(rs == null)
? f
: (or
? new Predicate<T>() {
@Override
public boolean test(T t) {
return one.test(t) || two.test(t);
}
@Override
public String toString() {
return "(" + one + " OR " + two + ")";
}
}
: new Predicate<T>() {
@Override
public boolean test(T t) {
return one.test(t) && two.test(t);
}
@Override
public String toString() {
return "(" + one + " AND " + two + ")";
}
});
}
}
}
return rs;
}
/**
* JUnit.
*
* @throws Exception If failed.
*/
@SuppressWarnings({"TooBroadScope"})
public void testRestarts() throws Exception {
int duration = 60 * 1000;
int qryThreadNum = 10;
final long nodeLifeTime = 2 * 1000;
final int logFreq = 20;
final IgniteCache<Integer, Integer> cache = grid(0).cache(null);
assert cache != null;
for (int i = 0; i < KEY_CNT; i++) cache.put(i, i);
assertEquals(KEY_CNT, cache.localSize());
final AtomicInteger qryCnt = new AtomicInteger();
final AtomicBoolean done = new AtomicBoolean();
IgniteInternalFuture<?> fut1 =
multithreadedAsync(
new CAX() {
@Override
public void applyx() throws IgniteCheckedException {
while (!done.get()) {
Collection<Cache.Entry<Integer, Integer>> res =
cache.query(new SqlQuery(Integer.class, "_val >= 0")).getAll();
assertFalse(res.isEmpty());
int c = qryCnt.incrementAndGet();
if (c % logFreq == 0) info("Executed queries: " + c);
}
}
},
qryThreadNum);
final AtomicInteger restartCnt = new AtomicInteger();
CollectingEventListener lsnr = new CollectingEventListener();
for (int i = 0; i < GRID_CNT; i++)
grid(i).events().localListen(lsnr, EventType.EVT_CACHE_REBALANCE_STOPPED);
IgniteInternalFuture<?> fut2 =
multithreadedAsync(
new Callable<Object>() {
@SuppressWarnings({"BusyWait"})
@Override
public Object call() throws Exception {
while (!done.get()) {
int idx = GRID_CNT;
startGrid(idx);
Thread.sleep(nodeLifeTime);
stopGrid(idx);
int c = restartCnt.incrementAndGet();
if (c % logFreq == 0) info("Node restarts: " + c);
}
return true;
}
},
1);
Thread.sleep(duration);
done.set(true);
fut1.get();
fut2.get();
info("Awaiting rebalance events [restartCnt=" + restartCnt.get() + ']');
boolean success = lsnr.awaitEvents(GRID_CNT * 2 * restartCnt.get(), 15000);
for (int i = 0; i < GRID_CNT; i++)
grid(i).events().stopLocalListen(lsnr, EventType.EVT_CACHE_REBALANCE_STOPPED);
assert success;
}
/**
* JUnit.
*
* @throws Exception In case of error.
*/
@SuppressWarnings({"TooBroadScope"})
public void testH2Text() throws Exception {
int duration = 60 * 1000;
final int keyCnt = 5000;
final int logFreq = 50;
final String txt = "Value";
final GridCache<Integer, H2TextValue> c = grid(0).cache(null);
GridFuture<?> fut1 =
multithreadedAsync(
new Callable() {
@Override
public Object call() throws Exception {
for (int i = 0; i < keyCnt; i++) {
c.putx(i, new H2TextValue(txt));
if (i % logFreq == 0) X.println("Stored values: " + i);
}
return null;
}
},
1);
// Create query.
final GridCacheQuery<Map.Entry<Integer, H2TextValue>> qry =
c.queries().createFullTextQuery(H2TextValue.class, txt);
qry.enableDedup(false);
qry.includeBackups(false);
qry.timeout(TEST_TIMEOUT);
final AtomicBoolean stop = new AtomicBoolean();
GridFuture<?> fut2 =
multithreadedAsync(
new Callable() {
@Override
public Object call() throws Exception {
int cnt = 0;
while (!stop.get()) {
Collection<Map.Entry<Integer, H2TextValue>> res = qry.execute().get();
cnt++;
if (cnt % logFreq == 0) {
X.println("Result set: " + res.size());
X.println("Executed queries: " + cnt);
}
}
return null;
}
},
1);
Thread.sleep(duration);
fut1.get();
stop.set(true);
fut2.get();
}
/**
* Starts activity.
*
* @throws IgniteInterruptedCheckedException If interrupted.
*/
public void init() throws IgniteInterruptedCheckedException {
if (isDone()) return;
if (init.compareAndSet(false, true)) {
if (isDone()) return;
try {
// Wait for event to occur to make sure that discovery
// will return corresponding nodes.
U.await(evtLatch);
assert discoEvt != null : this;
assert !dummy && !forcePreload : this;
ClusterNode oldest = CU.oldestAliveCacheServerNode(cctx, exchId.topologyVersion());
oldestNode.set(oldest);
startCaches();
// True if client node joined or failed.
boolean clientNodeEvt;
if (F.isEmpty(reqs)) {
int type = discoEvt.type();
assert type == EVT_NODE_JOINED || type == EVT_NODE_LEFT || type == EVT_NODE_FAILED
: discoEvt;
clientNodeEvt = CU.clientNode(discoEvt.eventNode());
} else {
assert discoEvt.type() == EVT_DISCOVERY_CUSTOM_EVT : discoEvt;
boolean clientOnlyStart = true;
for (DynamicCacheChangeRequest req : reqs) {
if (!req.clientStartOnly()) {
clientOnlyStart = false;
break;
}
}
clientNodeEvt = clientOnlyStart;
}
if (clientNodeEvt) {
ClusterNode node = discoEvt.eventNode();
// Client need to initialize affinity for local join event or for stated client caches.
if (!node.isLocal()) {
for (GridCacheContext cacheCtx : cctx.cacheContexts()) {
if (cacheCtx.isLocal()) continue;
GridDhtPartitionTopology top = cacheCtx.topology();
top.updateTopologyVersion(exchId, this, -1, stopping(cacheCtx.cacheId()));
if (cacheCtx.affinity().affinityTopologyVersion() == AffinityTopologyVersion.NONE) {
initTopology(cacheCtx);
top.beforeExchange(this);
} else
cacheCtx.affinity().clientEventTopologyChange(discoEvt, exchId.topologyVersion());
}
if (exchId.isLeft())
cctx.mvcc().removeExplicitNodeLocks(exchId.nodeId(), exchId.topologyVersion());
onDone(exchId.topologyVersion());
skipPreload = cctx.kernalContext().clientNode();
return;
}
}
if (cctx.kernalContext().clientNode()) {
skipPreload = true;
for (GridCacheContext cacheCtx : cctx.cacheContexts()) {
if (cacheCtx.isLocal()) continue;
GridDhtPartitionTopology top = cacheCtx.topology();
top.updateTopologyVersion(exchId, this, -1, stopping(cacheCtx.cacheId()));
}
for (GridCacheContext cacheCtx : cctx.cacheContexts()) {
if (cacheCtx.isLocal()) continue;
initTopology(cacheCtx);
}
if (oldestNode.get() != null) {
rmtNodes =
new ConcurrentLinkedQueue<>(
CU.aliveRemoteServerNodesWithCaches(cctx, exchId.topologyVersion()));
rmtIds = Collections.unmodifiableSet(new HashSet<>(F.nodeIds(rmtNodes)));
ready.set(true);
initFut.onDone(true);
if (log.isDebugEnabled()) log.debug("Initialized future: " + this);
sendPartitions();
} else onDone(exchId.topologyVersion());
return;
}
assert oldestNode.get() != null;
for (GridCacheContext cacheCtx : cctx.cacheContexts()) {
if (isCacheAdded(cacheCtx.cacheId(), exchId.topologyVersion())) {
if (cacheCtx
.discovery()
.cacheAffinityNodes(cacheCtx.name(), topologyVersion())
.isEmpty())
U.quietAndWarn(log, "No server nodes found for cache client: " + cacheCtx.namex());
}
cacheCtx.preloader().onExchangeFutureAdded();
}
List<String> cachesWithoutNodes = null;
if (exchId.isLeft()) {
for (String name : cctx.cache().cacheNames()) {
if (cctx.discovery().cacheAffinityNodes(name, topologyVersion()).isEmpty()) {
if (cachesWithoutNodes == null) cachesWithoutNodes = new ArrayList<>();
cachesWithoutNodes.add(name);
// Fire event even if there is no client cache started.
if (cctx.gridEvents().isRecordable(EventType.EVT_CACHE_NODES_LEFT)) {
Event evt =
new CacheEvent(
name,
cctx.localNode(),
cctx.localNode(),
"All server nodes have left the cluster.",
EventType.EVT_CACHE_NODES_LEFT,
0,
false,
null,
null,
null,
null,
false,
null,
false,
null,
null,
null);
cctx.gridEvents().record(evt);
}
}
}
}
if (cachesWithoutNodes != null) {
StringBuilder sb =
new StringBuilder(
"All server nodes for the following caches have left the cluster: ");
for (int i = 0; i < cachesWithoutNodes.size(); i++) {
String cache = cachesWithoutNodes.get(i);
sb.append('\'').append(cache).append('\'');
if (i != cachesWithoutNodes.size() - 1) sb.append(", ");
}
U.quietAndWarn(log, sb.toString());
U.quietAndWarn(log, "Must have server nodes for caches to operate.");
}
assert discoEvt != null;
assert exchId.nodeId().equals(discoEvt.eventNode().id());
for (GridCacheContext cacheCtx : cctx.cacheContexts()) {
GridClientPartitionTopology clientTop =
cctx.exchange().clearClientTopology(cacheCtx.cacheId());
long updSeq = clientTop == null ? -1 : clientTop.lastUpdateSequence();
// Update before waiting for locks.
if (!cacheCtx.isLocal())
cacheCtx
.topology()
.updateTopologyVersion(exchId, this, updSeq, stopping(cacheCtx.cacheId()));
}
// Grab all alive remote nodes with order of equal or less than last joined node.
rmtNodes =
new ConcurrentLinkedQueue<>(
CU.aliveRemoteServerNodesWithCaches(cctx, exchId.topologyVersion()));
rmtIds = Collections.unmodifiableSet(new HashSet<>(F.nodeIds(rmtNodes)));
for (Map.Entry<UUID, GridDhtPartitionsSingleMessage> m : singleMsgs.entrySet())
// If received any messages, process them.
onReceive(m.getKey(), m.getValue());
for (Map.Entry<UUID, GridDhtPartitionsFullMessage> m : fullMsgs.entrySet())
// If received any messages, process them.
onReceive(m.getKey(), m.getValue());
AffinityTopologyVersion topVer = exchId.topologyVersion();
for (GridCacheContext cacheCtx : cctx.cacheContexts()) {
if (cacheCtx.isLocal()) continue;
// Must initialize topology after we get discovery event.
initTopology(cacheCtx);
cacheCtx.preloader().updateLastExchangeFuture(this);
}
IgniteInternalFuture<?> partReleaseFut = cctx.partitionReleaseFuture(topVer);
// Assign to class variable so it will be included into toString() method.
this.partReleaseFut = partReleaseFut;
if (log.isDebugEnabled()) log.debug("Before waiting for partition release future: " + this);
while (true) {
try {
partReleaseFut.get(2 * cctx.gridConfig().getNetworkTimeout(), TimeUnit.MILLISECONDS);
break;
} catch (IgniteFutureTimeoutCheckedException ignored) {
// Print pending transactions and locks that might have led to hang.
dumpPendingObjects();
}
}
if (log.isDebugEnabled()) log.debug("After waiting for partition release future: " + this);
if (!F.isEmpty(reqs)) blockGateways();
if (exchId.isLeft())
cctx.mvcc().removeExplicitNodeLocks(exchId.nodeId(), exchId.topologyVersion());
IgniteInternalFuture<?> locksFut = cctx.mvcc().finishLocks(exchId.topologyVersion());
while (true) {
try {
locksFut.get(2 * cctx.gridConfig().getNetworkTimeout(), TimeUnit.MILLISECONDS);
break;
} catch (IgniteFutureTimeoutCheckedException ignored) {
U.warn(
log,
"Failed to wait for locks release future. "
+ "Dumping pending objects that might be the cause: "
+ cctx.localNodeId());
U.warn(log, "Locked entries:");
Map<IgniteTxKey, Collection<GridCacheMvccCandidate>> locks =
cctx.mvcc().unfinishedLocks(exchId.topologyVersion());
for (Map.Entry<IgniteTxKey, Collection<GridCacheMvccCandidate>> e : locks.entrySet())
U.warn(log, "Locked entry [key=" + e.getKey() + ", mvcc=" + e.getValue() + ']');
}
}
for (GridCacheContext cacheCtx : cctx.cacheContexts()) {
if (cacheCtx.isLocal()) continue;
// Notify replication manager.
GridCacheContext drCacheCtx =
cacheCtx.isNear() ? cacheCtx.near().dht().context() : cacheCtx;
if (drCacheCtx.isDrEnabled()) drCacheCtx.dr().beforeExchange(topVer, exchId.isLeft());
// Partition release future is done so we can flush the write-behind store.
cacheCtx.store().forceFlush();
// Process queued undeploys prior to sending/spreading map.
cacheCtx.preloader().unwindUndeploys();
GridDhtPartitionTopology top = cacheCtx.topology();
assert topVer.equals(top.topologyVersion())
: "Topology version is updated only in this class instances inside single ExchangeWorker thread.";
top.beforeExchange(this);
}
for (GridClientPartitionTopology top : cctx.exchange().clientTopologies()) {
top.updateTopologyVersion(exchId, this, -1, stopping(top.cacheId()));
top.beforeExchange(this);
}
} catch (IgniteInterruptedCheckedException e) {
onDone(e);
throw e;
} catch (Throwable e) {
U.error(
log,
"Failed to reinitialize local partitions (preloading will be stopped): " + exchId,
e);
onDone(e);
if (e instanceof Error) throw (Error) e;
return;
}
if (F.isEmpty(rmtIds)) {
onDone(exchId.topologyVersion());
return;
}
ready.set(true);
initFut.onDone(true);
if (log.isDebugEnabled()) log.debug("Initialized future: " + this);
// If this node is not oldest.
if (!oldestNode.get().id().equals(cctx.localNodeId())) sendPartitions();
else {
boolean allReceived = allReceived();
if (allReceived && replied.compareAndSet(false, true)) {
if (spreadPartitions()) onDone(exchId.topologyVersion());
}
}
scheduleRecheck();
} else assert false : "Skipped init future: " + this;
}
public void signalLoopbreak() {
loopBreaker.set(true);
if (mySelector != null) mySelector.wakeup();
}
