/** {@inheritDoc} */ @Override public GridDiscoveryTopologySnapshot topologySnapshot() throws IgniteCheckedException { get(); if (topSnapshot.get() == null) topSnapshot.compareAndSet( null, new GridDiscoveryTopologySnapshot(discoEvt.topologyVersion(), discoEvt.topologyNodes())); return topSnapshot.get(); }
/** * @param nodeId Sender node id. * @param msg Single partition info. */ public void onReceive(final UUID nodeId, final GridDhtPartitionsSingleMessage msg) { assert msg != null; assert msg.exchangeId().equals(exchId); // Update last seen version. while (true) { GridCacheVersion old = lastVer.get(); if (old == null || old.compareTo(msg.lastVersion()) < 0) { if (lastVer.compareAndSet(old, msg.lastVersion())) break; } else break; } if (isDone()) { if (log.isDebugEnabled()) log.debug( "Received message for finished future (will reply only to sender) [msg=" + msg + ", fut=" + this + ']'); sendAllPartitions(nodeId, cctx.gridConfig().getNetworkSendRetryCount()); } else { initFut.listen( new CI1<IgniteInternalFuture<Boolean>>() { @Override public void apply(IgniteInternalFuture<Boolean> t) { try { if (!t.get()) // Just to check if there was an error. return; ClusterNode loc = cctx.localNode(); singleMsgs.put(nodeId, msg); boolean match = true; // Check if oldest node has changed. if (!oldestNode.get().equals(loc)) { match = false; synchronized (mux) { // Double check. if (oldestNode.get().equals(loc)) match = true; } } if (match) { boolean allReceived; synchronized (rcvdIds) { if (rcvdIds.add(nodeId)) updatePartitionSingleMap(msg); allReceived = allReceived(); } // If got all replies, and initialization finished, and reply has not been sent // yet. if (allReceived && ready.get() && replied.compareAndSet(false, true)) { spreadPartitions(); onDone(exchId.topologyVersion()); } else if (log.isDebugEnabled()) log.debug( "Exchange future full map is not sent [allReceived=" + allReceived() + ", ready=" + ready + ", replied=" + replied.get() + ", init=" + init.get() + ", fut=" + this + ']'); } } catch (IgniteCheckedException e) { U.error(log, "Failed to initialize exchange future: " + this, e); } } }); } }