/**
* @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;
}
/** @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);
}
}
/** @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);
}
/**
* 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.");
}
/** @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);
}
}