/**
* @param in Object input.
* @return Read collection.
* @throws IOException If failed.
* @throws ClassNotFoundException If failed.
*/
private Collection<Object> readFieldsCollection(ObjectInput in)
throws IOException, ClassNotFoundException {
assert fields;
int size = in.readInt();
if (size == -1) return null;
Collection<Object> res = new ArrayList<>(size);
for (int i = 0; i < size; i++) {
int size0 = in.readInt();
Collection<Object> col = new ArrayList<>(size0);
for (int j = 0; j < size0; j++) col.add(in.readObject());
assert col.size() == size0;
res.add(col);
}
assert res.size() == size;
return res;
}
/** @throws Exception If failed. */
public void testClientAffinity() throws Exception {
GridClientData partitioned = client.data(PARTITIONED_CACHE_NAME);
Collection<Object> keys = new ArrayList<>();
keys.addAll(Arrays.asList(Boolean.TRUE, Boolean.FALSE, 1, Integer.MAX_VALUE));
Random rnd = new Random();
StringBuilder sb = new StringBuilder();
// Generate some random strings.
for (int i = 0; i < 100; i++) {
sb.setLength(0);
for (int j = 0; j < 255; j++)
// Only printable ASCII symbols for test.
sb.append((char) (rnd.nextInt(0x7f - 0x20) + 0x20));
keys.add(sb.toString());
}
// Generate some more keys to achieve better coverage.
for (int i = 0; i < 100; i++) keys.add(UUID.randomUUID());
for (Object key : keys) {
UUID nodeId = grid(0).mapKeyToNode(PARTITIONED_CACHE_NAME, key).id();
UUID clientNodeId = partitioned.affinity(key);
assertEquals(
"Invalid affinity mapping for REST response for key: " + key, nodeId, clientNodeId);
}
}
/** {@inheritDoc} */
@Override
public final Map<UUID, GridNodeMetrics> metrics(Collection<UUID> nodeIds)
throws GridSpiException {
assert !F.isEmpty(nodeIds);
long now = U.currentTimeMillis();
Collection<UUID> expired = new LinkedList<>();
for (UUID id : nodeIds) {
GridNodeMetrics nodeMetrics = metricsMap.get(id);
Long ts = tsMap.get(id);
if (nodeMetrics == null || ts == null || ts < now - metricsExpireTime) expired.add(id);
}
if (!expired.isEmpty()) {
Map<UUID, GridNodeMetrics> refreshed = metrics0(expired);
for (UUID id : refreshed.keySet()) tsMap.put(id, now);
metricsMap.putAll(refreshed);
}
return F.view(metricsMap, F.contains(nodeIds));
}
/** {@inheritDoc} */
@SuppressWarnings("TypeMayBeWeakened")
@Nullable
private Collection<Object> unmarshalFieldsCollection(
@Nullable Collection<byte[]> byteCol, GridCacheContext<K, V> ctx, ClassLoader ldr)
throws GridException {
assert ctx != null;
assert ldr != null;
Collection<Object> col = unmarshalCollection(byteCol, ctx, ldr);
Collection<Object> col0 = null;
if (col != null) {
col0 = new ArrayList<>(col.size());
for (Object o : col) {
List<Object> list = (List<Object>) o;
List<Object> list0 = new ArrayList<>(list.size());
for (Object obj : list)
list0.add(obj != null ? ctx.marshaller().unmarshal((byte[]) obj, ldr) : null);
col0.add(list0);
}
}
return col0;
}
/** {@inheritDoc} */
@Override
protected Collection<? extends GridComputeJob> split(int gridSize, Object arg)
throws GridException {
Collection<GridComputeJobAdapter> jobs = new ArrayList<>(gridSize);
this.gridSize = gridSize;
final String locNodeId = grid.localNode().id().toString();
for (int i = 0; i < gridSize; i++) {
jobs.add(
new GridComputeJobAdapter() {
@SuppressWarnings("OverlyStrongTypeCast")
@Override
public Object execute() {
try {
Thread.sleep(1000);
} catch (InterruptedException ignored) {
Thread.currentThread().interrupt();
}
return new GridBiTuple<>(locNodeId, 1);
}
});
}
return jobs;
}
/**
* Add information about key and version to request.
*
* <p>Other version has to be provided if suspect lock is DHT local.
*
* @param key Key.
* @param cand Candidate.
*/
@SuppressWarnings({"MismatchedQueryAndUpdateOfCollection"})
void addCandidate(K key, GridCacheDgcLockCandidate cand) {
Collection<GridCacheDgcLockCandidate> col =
F.addIfAbsent(map, key, new ArrayList<GridCacheDgcLockCandidate>());
assert col != null;
col.add(cand);
}
/** {@inheritDoc} */
@Override
protected Collection<? extends GridComputeJob> split(int gridSize, String arg)
throws GridException {
Collection<GridComputeJobAdapter> jobs = new ArrayList<>(jobCnt);
for (int i = 0; i < jobCnt; i++) jobs.add(new TestJob());
return jobs;
}
/** {@inheritDoc} */
@Override
protected Collection<? extends GridComputeJob> split(int gridSize, Object arg)
throws GridException {
if (log.isInfoEnabled())
log.info("Splitting job [job=" + this + ", gridSize=" + gridSize + ", arg=" + arg + ']');
Collection<GridComputeJob> jobs = new ArrayList<>(SPLIT_COUNT);
for (int i = 1; i <= SPLIT_COUNT; i++) jobs.add(new GridCancelTestJob(i));
return jobs;
}
/** {@inheritDoc} */
@Override
public void start0() throws GridException {
aff =
new GridAffinityAssignmentCache(
cctx,
cctx.namex(),
cctx.config().getAffinity(),
cctx.config().getAffinityMapper(),
cctx.config().getBackups());
// Generate internal keys for partitions.
int partCnt = partitions();
partAffKeys = new GridPartitionLockKey[partCnt];
Collection<Integer> found = new HashSet<>();
long affKey = 0;
while (true) {
GridPartitionLockKey key = new GridPartitionLockKey(affKey);
int part = aff.partition(key);
if (found.add(part)) {
// This is a key for not yet calculated partition.
key.partitionId(part);
partAffKeys[part] = key;
if (found.size() == partCnt) break;
}
affKey++;
if (affKey > partCnt * MAX_PARTITION_KEY_ATTEMPT_RATIO)
throw new IllegalStateException(
"Failed to calculate partition affinity keys for given affinity "
+ "function [attemptCnt="
+ affKey
+ ", found="
+ found
+ ", cacheName="
+ cctx.name()
+ ']');
}
}
/** {@inheritDoc} */
@Override
public GridFuture<?> addData(Collection<? extends Map.Entry<K, V>> entries) {
A.notEmpty(entries, "entries");
enterBusy();
try {
GridFutureAdapter<Object> resFut = new GridFutureAdapter<>(ctx);
activeFuts.add(resFut);
resFut.listenAsync(rmvActiveFut);
Collection<K> keys = new GridConcurrentHashSet<>(entries.size(), 1.0f, 16);
for (Map.Entry<K, V> entry : entries) keys.add(entry.getKey());
load0(entries, resFut, keys, 0);
return resFut;
} finally {
leaveBusy();
}
}
/** {@inheritDoc} */
@SuppressWarnings("all")
@Override
public boolean readFrom(ByteBuffer buf) {
commState.setBuffer(buf);
if (!super.readFrom(buf)) return false;
switch (commState.idx) {
case 2:
if (commState.readSize == -1) {
if (buf.remaining() < 4) return false;
commState.readSize = commState.getInt();
}
if (commState.readSize >= 0) {
if (dataBytes == null) dataBytes = new ArrayList<>(commState.readSize);
for (int i = commState.readItems; i < commState.readSize; i++) {
byte[] _val = commState.getByteArray();
if (_val == BYTE_ARR_NOT_READ) return false;
dataBytes.add((byte[]) _val);
commState.readItems++;
}
}
commState.readSize = -1;
commState.readItems = 0;
commState.idx++;
case 3:
byte[] errBytes0 = commState.getByteArray();
if (errBytes0 == BYTE_ARR_NOT_READ) return false;
errBytes = errBytes0;
commState.idx++;
case 4:
if (buf.remaining() < 1) return false;
fields = commState.getBoolean();
commState.idx++;
case 5:
if (buf.remaining() < 1) return false;
finished = commState.getBoolean();
commState.idx++;
case 6:
if (commState.readSize == -1) {
if (buf.remaining() < 4) return false;
commState.readSize = commState.getInt();
}
if (commState.readSize >= 0) {
if (metaDataBytes == null) metaDataBytes = new ArrayList<>(commState.readSize);
for (int i = commState.readItems; i < commState.readSize; i++) {
byte[] _val = commState.getByteArray();
if (_val == BYTE_ARR_NOT_READ) return false;
metaDataBytes.add((byte[]) _val);
commState.readItems++;
}
}
commState.readSize = -1;
commState.readItems = 0;
commState.idx++;
case 7:
commState.idx++;
case 8:
if (buf.remaining() < 8) return false;
reqId = commState.getLong();
commState.idx++;
}
return true;
}
/**
* Maps keys to nodes. Note that we can not simply group keys by nodes and send lock request as
* such approach does not preserve order of lock acquisition. Instead, keys are split in
* continuous groups belonging to one primary node and locks for these groups are acquired
* sequentially.
*
* @param keys Keys.
*/
private void map(Iterable<? extends K> keys) {
try {
GridDiscoveryTopologySnapshot snapshot = topSnapshot.get();
assert snapshot != null;
long topVer = snapshot.topologyVersion();
assert topVer > 0;
if (CU.affinityNodes(cctx, topVer).isEmpty()) {
onDone(
new GridTopologyException(
"Failed to map keys for near-only cache (all "
+ "partition nodes left the grid)."));
return;
}
ConcurrentLinkedDeque8<GridNearLockMapping<K, V>> mappings = new ConcurrentLinkedDeque8<>();
// Assign keys to primary nodes.
GridNearLockMapping<K, V> map = null;
for (K key : keys) {
GridNearLockMapping<K, V> updated = map(key, map, topVer);
// If new mapping was created, add to collection.
if (updated != map) mappings.add(updated);
map = updated;
}
if (isDone()) {
if (log.isDebugEnabled()) log.debug("Abandoning (re)map because future is done: " + this);
return;
}
if (log.isDebugEnabled())
log.debug("Starting (re)map for mappings [mappings=" + mappings + ", fut=" + this + ']');
// Create mini futures.
for (Iterator<GridNearLockMapping<K, V>> iter = mappings.iterator(); iter.hasNext(); ) {
GridNearLockMapping<K, V> mapping = iter.next();
GridNode node = mapping.node();
Collection<K> mappedKeys = mapping.mappedKeys();
assert !mappedKeys.isEmpty();
GridNearLockRequest<K, V> req = null;
Collection<K> distributedKeys = new ArrayList<>(mappedKeys.size());
boolean explicit = false;
for (K key : mappedKeys) {
while (true) {
GridNearCacheEntry<K, V> entry = null;
try {
entry = cctx.near().entryExx(key, topVer);
if (!cctx.isAll(entry.wrap(false), filter)) {
if (log.isDebugEnabled())
log.debug("Entry being locked did not pass filter (will not lock): " + entry);
onComplete(false, false);
return;
}
// Removed exception may be thrown here.
GridCacheMvccCandidate<K> cand = addEntry(topVer, entry, node.id());
if (isDone()) {
if (log.isDebugEnabled())
log.debug(
"Abandoning (re)map because future is done after addEntry attempt "
+ "[fut="
+ this
+ ", entry="
+ entry
+ ']');
return;
}
if (cand != null) {
if (tx == null && !cand.reentry())
cctx.mvcc().addExplicitLock(threadId, cand, snapshot);
GridTuple3<GridCacheVersion, V, byte[]> val = entry.versionedValue();
if (val == null) {
GridDhtCacheEntry<K, V> dhtEntry = dht().peekExx(key);
try {
if (dhtEntry != null) val = dhtEntry.versionedValue(topVer);
} catch (GridCacheEntryRemovedException ignored) {
assert dhtEntry.obsolete()
: " Got removed exception for non-obsolete entry: " + dhtEntry;
if (log.isDebugEnabled())
log.debug(
"Got removed exception for DHT entry in map (will ignore): " + dhtEntry);
}
}
GridCacheVersion dhtVer = null;
if (val != null) {
dhtVer = val.get1();
valMap.put(key, val);
}
if (!cand.reentry()) {
if (req == null) {
req =
new GridNearLockRequest<>(
topVer,
cctx.nodeId(),
threadId,
futId,
lockVer,
inTx(),
implicitTx(),
implicitSingleTx(),
read,
isolation(),
isInvalidate(),
timeout,
syncCommit(),
syncRollback(),
mappedKeys.size(),
inTx() ? tx.size() : mappedKeys.size(),
inTx() ? tx.groupLockKey() : null,
inTx() && tx.partitionLock(),
inTx() ? tx.subjectId() : null);
mapping.request(req);
}
distributedKeys.add(key);
GridCacheTxEntry<K, V> writeEntry = tx != null ? tx.writeMap().get(key) : null;
if (tx != null) tx.addKeyMapping(key, mapping.node());
req.addKeyBytes(
key,
node.isLocal() ? null : entry.getOrMarshalKeyBytes(),
retval && dhtVer == null,
dhtVer, // Include DHT version to match remote DHT entry.
writeEntry,
inTx() ? tx.entry(key).drVersion() : null,
cctx);
// Clear transfer required flag since we are sending message.
if (writeEntry != null) writeEntry.transferRequired(false);
}
if (cand.reentry())
explicit = tx != null && !entry.hasLockCandidate(tx.xidVersion());
} else
// Ignore reentries within transactions.
explicit = tx != null && !entry.hasLockCandidate(tx.xidVersion());
if (explicit) tx.addKeyMapping(key, mapping.node());
break;
} catch (GridCacheEntryRemovedException ignored) {
assert entry.obsolete() : "Got removed exception on non-obsolete entry: " + entry;
if (log.isDebugEnabled())
log.debug("Got removed entry in lockAsync(..) method (will retry): " + entry);
}
}
// Mark mapping explicit lock flag.
if (explicit) {
boolean marked = tx != null && tx.markExplicit(node.id());
assert tx == null || marked;
}
}
if (!distributedKeys.isEmpty()) mapping.distributedKeys(distributedKeys);
else {
assert mapping.request() == null;
iter.remove();
}
}
cctx.mvcc().recheckPendingLocks();
proceedMapping(mappings);
} catch (GridException ex) {
onError(ex);
}
}