/**
* Reconstructs object on demarshalling.
*
* @return Reconstructed object.
* @throws ObjectStreamException Thrown in case of demarshalling error.
*/
private Object readResolve() throws ObjectStreamException {
GridTuple2<GridCacheContext, String> t = stash.get();
try {
return t.get1().dataStructures().sequence(t.get2(), 0L, false, false);
} catch (GridException e) {
throw U.withCause(new InvalidObjectException(e.getMessage()), e);
}
}
/**
* Tries to start server with given parameters.
*
* @param hostAddr Host on which server should be bound.
* @param port Port on which server should be bound.
* @param lsnr Server message listener.
* @param parser Server message parser.
* @param sslCtx SSL context in case if SSL is enabled.
* @param cfg Configuration for other parameters.
* @return {@code True} if server successfully started, {@code false} if port is used and server
* was unable to start.
*/
private boolean startTcpServer(
InetAddress hostAddr,
int port,
GridNioServerListener<GridClientMessage> lsnr,
GridNioParser parser,
@Nullable SSLContext sslCtx,
GridConfiguration cfg) {
try {
GridNioFilter codec = new GridNioCodecFilter(parser, log, false);
GridNioFilter[] filters;
if (sslCtx != null) {
GridNioSslFilter sslFilter = new GridNioSslFilter(sslCtx, log);
boolean auth = cfg.isRestTcpSslClientAuth();
sslFilter.wantClientAuth(auth);
sslFilter.needClientAuth(auth);
filters = new GridNioFilter[] {codec, sslFilter};
} else filters = new GridNioFilter[] {codec};
srv =
GridNioServer.<GridClientMessage>builder()
.address(hostAddr)
.port(port)
.listener(lsnr)
.logger(log)
.selectorCount(cfg.getRestTcpSelectorCount())
.gridName(ctx.gridName())
.tcpNoDelay(cfg.isRestTcpNoDelay())
.directBuffer(cfg.isRestTcpDirectBuffer())
.byteOrder(ByteOrder.nativeOrder())
.socketSendBufferSize(cfg.getRestTcpSendBufferSize())
.socketReceiveBufferSize(cfg.getRestTcpReceiveBufferSize())
.sendQueueLimit(cfg.getRestTcpSendQueueLimit())
.filters(filters)
.build();
srv.idleTimeout(cfg.getRestIdleTimeout());
srv.start();
ctx.ports().registerPort(port, GridPortProtocol.TCP, getClass());
return true;
} catch (GridException e) {
if (log.isDebugEnabled())
log.debug(
"Failed to start " + name() + " protocol on port " + port + ": " + e.getMessage());
return false;
}
}
/**
* Reconstructs object on demarshalling.
*
* @return Reconstructed object.
* @throws ObjectStreamException Thrown in case of demarshalling error.
*/
@SuppressWarnings({"ConstantConditions"})
private Object readResolve() throws ObjectStreamException {
GridTuple2<GridCacheContext, String> t = stash.get();
try {
return t.get1().dataStructures().countDownLatch(t.get2(), 0, false, false);
} catch (GridException e) {
throw U.withCause(new InvalidObjectException(e.getMessage()), e);
}
}
/**
* Checks entry for empty value.
*
* @param entry Entry to check.
* @return {@code True} if entry is empty.
*/
private boolean empty(GridCacheEntry<K, V> entry) {
try {
return entry.peek(F.asList(GLOBAL)) == null;
} catch (GridException e) {
U.error(null, e.getMessage(), e);
assert false : "Should never happen: " + e;
return false;
}
}
/**
* Reconstructs object on demarshalling.
*
* @return Reconstructed object.
* @throws ObjectStreamException Thrown in case of demarshalling error.
*/
@SuppressWarnings("unchecked")
private Object readResolve() throws ObjectStreamException {
try {
GridBiTuple<GridCacheContext, String> t = stash.get();
return t.get1().dataStructures().atomicReference(t.get2(), null, false);
} catch (GridException e) {
throw U.withCause(new InvalidObjectException(e.getMessage()), e);
} finally {
stash.remove();
}
}
/**
* Checks that the given grid configuration will lead to {@link GridException} upon grid startup.
*
* @param cfg Grid configuration to check.
* @param excMsgSnippet Root cause (assertion) exception message snippet.
* @param testLoc {@code True} if checking is done for "testLocal" tests.
*/
private void checkGridStartFails(
GridConfiguration cfg, CharSequence excMsgSnippet, boolean testLoc) {
assertNotNull(cfg);
assertNotNull(excMsgSnippet);
try {
G.start(cfg);
fail("No exception has been thrown.");
} catch (GridException e) {
if (testLoc) {
if ("Failed to start processor: GridProcessorAdapter []".equals(e.getMessage())
&& e.getCause().getMessage().contains(excMsgSnippet)) return; // Expected exception.
} else if (e.getMessage().contains(excMsgSnippet)) return; // Expected exception.
error("Caught unexpected exception.", e);
fail();
}
}
/**
* Default implementation which will wait for all jobs to complete before calling {@link
* #reduce(List)} method.
*
* <p>If remote job resulted in exception ({@link GridComputeJobResult#getException()} is not
* {@code null}), then {@link GridComputeJobResultPolicy#FAILOVER} policy will be returned if the
* exception is instance of {@link GridTopologyException} or {@link
* GridComputeExecutionRejectedException}, which means that remote node either failed or job
* execution was rejected before it got a chance to start. In all other cases the exception will
* be rethrown which will ultimately cause task to fail.
*
* @param res Received remote grid executable result.
* @param rcvd All previously received results.
* @return Result policy that dictates how to process further upcoming job results.
* @throws GridException If handling a job result caused an error effectively rejecting a
* failover. This exception will be thrown out of {@link GridComputeTaskFuture#get()} method.
*/
@Override
public GridComputeJobResultPolicy result(
GridComputeJobResult res, List<GridComputeJobResult> rcvd) throws GridException {
GridException e = res.getException();
// Try to failover if result is failed.
if (e != null) {
// Don't failover user's code errors.
if (e instanceof GridComputeExecutionRejectedException
|| e instanceof GridTopologyException
||
// Failover exception is always wrapped.
e.hasCause(GridComputeJobFailoverException.class)) return FAILOVER;
throw new GridException(
"Remote job threw user exception (override or implement GridComputeTask.result(..) "
+ "method if you would like to have automatic failover for this exception).",
e);
}
// Wait for all job responses.
return WAIT;
}
