use of org.apache.ignite.internal.processors.cache.EntryGetResult in project ignite by apache.
the class GridDhtGetSingleFuture method getAsync.
/**
*
*/
@SuppressWarnings({ "unchecked", "IfMayBeConditional" })
private void getAsync() {
assert part != -1;
String taskName0 = cctx.kernalContext().job().currentTaskName();
if (taskName0 == null)
taskName0 = cctx.kernalContext().task().resolveTaskName(taskNameHash);
final String taskName = taskName0;
IgniteInternalFuture<Boolean> rdrFut = null;
ClusterNode readerNode = cctx.discovery().node(reader);
ReaderArguments readerArgs = null;
if (readerNode != null && !readerNode.isLocal() && cctx.discovery().cacheNearNode(readerNode, cctx.name())) {
while (true) {
GridDhtCacheEntry e = cache().entryExx(key, topVer);
try {
if (e.obsolete())
continue;
boolean addReader = (!e.deleted() && this.addRdr && !skipVals);
if (addReader) {
e.unswap(false);
// we have to add reader again later.
if (readerArgs == null)
readerArgs = new ReaderArguments(reader, msgId, topVer);
}
// Register reader. If there are active transactions for this entry,
// then will wait for their completion before proceeding.
// TODO: IGNITE-3498:
// TODO: What if any transaction we wait for actually removes this entry?
// TODO: In this case seems like we will be stuck with untracked near entry.
// TODO: To fix, check that reader is contained in the list of readers once
// TODO: again after the returned future completes - if not, try again.
rdrFut = addReader ? e.addReader(reader, msgId, topVer) : null;
break;
} catch (IgniteCheckedException err) {
onDone(err);
return;
} catch (GridCacheEntryRemovedException ignore) {
if (log.isDebugEnabled())
log.debug("Got removed entry when getting a DHT value: " + e);
} finally {
cctx.evicts().touch(e, topVer);
}
}
}
IgniteInternalFuture<Map<KeyCacheObject, EntryGetResult>> fut;
if (rdrFut == null || rdrFut.isDone()) {
fut = cache().getDhtAllAsync(Collections.singleton(key), readerArgs, readThrough, subjId, taskName, expiryPlc, skipVals, /*can remap*/
true, recovery);
} else {
final ReaderArguments args = readerArgs;
rdrFut.listen(new IgniteInClosure<IgniteInternalFuture<Boolean>>() {
@Override
public void apply(IgniteInternalFuture<Boolean> fut) {
Throwable e = fut.error();
if (e != null) {
onDone(e);
return;
}
IgniteInternalFuture<Map<KeyCacheObject, EntryGetResult>> fut0 = cache().getDhtAllAsync(Collections.singleton(key), args, readThrough, subjId, taskName, expiryPlc, skipVals, /*can remap*/
true, recovery);
fut0.listen(createGetFutureListener());
}
});
return;
}
if (fut.isDone())
onResult(fut);
else
fut.listen(createGetFutureListener());
}
use of org.apache.ignite.internal.processors.cache.EntryGetResult in project ignite by apache.
the class GridDhtGetSingleFuture method toEntryInfo.
/**
* @param map Map to convert.
* @return List of infos.
*/
private GridCacheEntryInfo toEntryInfo(Map<KeyCacheObject, EntryGetResult> map) {
if (map.isEmpty())
return null;
EntryGetResult val = map.get(key);
assert val != null;
GridCacheEntryInfo info = new GridCacheEntryInfo();
info.cacheId(cctx.cacheId());
info.key(key);
info.value(skipVals ? null : (CacheObject) val.value());
info.version(val.version());
info.expireTime(val.expireTime());
info.ttl(val.ttl());
return info;
}
use of org.apache.ignite.internal.processors.cache.EntryGetResult in project ignite by apache.
the class GridDhtColocatedCache method loadAsync.
/**
* @param keys Keys to load.
* @param readThrough Read through flag.
* @param forcePrimary Force get from primary node flag.
* @param topVer Topology version.
* @param subjId Subject ID.
* @param taskName Task name.
* @param deserializeBinary Deserialize binary flag.
* @param expiryPlc Expiry policy.
* @param skipVals Skip values flag.
* @param canRemap Flag indicating whether future can be remapped on a newer topology version.
* @param needVer If {@code true} returns values as tuples containing value and version.
* @param keepCacheObj Keep cache objects flag.
* @return Load future.
*/
public final IgniteInternalFuture<Map<K, V>> loadAsync(@Nullable Collection<KeyCacheObject> keys, boolean readThrough, boolean forcePrimary, AffinityTopologyVersion topVer, @Nullable UUID subjId, String taskName, boolean deserializeBinary, boolean recovery, @Nullable IgniteCacheExpiryPolicy expiryPlc, boolean skipVals, boolean canRemap, boolean needVer, boolean keepCacheObj) {
if (keys == null || keys.isEmpty())
return new GridFinishedFuture<>(Collections.<K, V>emptyMap());
if (expiryPlc == null)
expiryPlc = expiryPolicy(null);
// Optimisation: try to resolve value locally and escape 'get future' creation.
if (!forcePrimary && ctx.affinityNode()) {
try {
Map<K, V> locVals = null;
boolean success = true;
boolean readNoEntry = ctx.readNoEntry(expiryPlc, false);
boolean evt = !skipVals;
for (KeyCacheObject key : keys) {
if (readNoEntry) {
CacheDataRow row = ctx.offheap().read(key);
if (row != null) {
long expireTime = row.expireTime();
if (expireTime == 0 || expireTime > U.currentTimeMillis()) {
if (locVals == null)
locVals = U.newHashMap(keys.size());
ctx.addResult(locVals, key, row.value(), skipVals, keepCacheObj, deserializeBinary, true, null, row.version(), 0, 0, needVer);
if (evt) {
ctx.events().readEvent(key, null, row.value(), subjId, taskName, !deserializeBinary);
}
} else
success = false;
} else
success = false;
} else {
GridCacheEntryEx entry = null;
while (true) {
try {
entry = entryEx(key);
// If our DHT cache do has value, then we peek it.
if (entry != null) {
boolean isNew = entry.isNewLocked();
EntryGetResult getRes = null;
CacheObject v = null;
GridCacheVersion ver = null;
if (needVer) {
getRes = entry.innerGetVersioned(null, null, /*update-metrics*/
false, /*event*/
evt, subjId, null, taskName, expiryPlc, !deserializeBinary, null);
if (getRes != null) {
v = getRes.value();
ver = getRes.version();
}
} else {
v = entry.innerGet(null, null, /*read-through*/
false, /*update-metrics*/
false, /*event*/
evt, subjId, null, taskName, expiryPlc, !deserializeBinary);
}
// Entry was not in memory or in swap, so we remove it from cache.
if (v == null) {
GridCacheVersion obsoleteVer = context().versions().next();
if (isNew && entry.markObsoleteIfEmpty(obsoleteVer))
removeEntry(entry);
success = false;
} else {
if (locVals == null)
locVals = U.newHashMap(keys.size());
ctx.addResult(locVals, key, v, skipVals, keepCacheObj, deserializeBinary, true, getRes, ver, 0, 0, needVer);
}
} else
success = false;
// While.
break;
} catch (GridCacheEntryRemovedException ignored) {
// No-op, retry.
} catch (GridDhtInvalidPartitionException ignored) {
success = false;
// While.
break;
} finally {
if (entry != null)
context().evicts().touch(entry, topVer);
}
}
}
if (!success)
break;
else if (!skipVals && ctx.config().isStatisticsEnabled())
ctx.cache().metrics0().onRead(true);
}
if (success) {
sendTtlUpdateRequest(expiryPlc);
return new GridFinishedFuture<>(locVals);
}
} catch (IgniteCheckedException e) {
return new GridFinishedFuture<>(e);
}
}
if (expiryPlc != null)
expiryPlc.reset();
// Either reload or not all values are available locally.
GridPartitionedGetFuture<K, V> fut = new GridPartitionedGetFuture<>(ctx, keys, topVer, readThrough, forcePrimary, subjId, taskName, deserializeBinary, recovery, expiryPlc, skipVals, canRemap, needVer, keepCacheObj);
fut.init();
return fut;
}
use of org.apache.ignite.internal.processors.cache.EntryGetResult in project ignite by apache.
the class GridDhtAtomicCache method getAllAsync0.
/**
* Entry point to all public API get methods.
*
* @param keys Keys.
* @param forcePrimary Force primary flag.
* @param subjId Subject ID.
* @param taskName Task name.
* @param deserializeBinary Deserialize binary flag.
* @param expiryPlc Expiry policy.
* @param skipVals Skip values flag.
* @param skipStore Skip store flag.
* @param needVer Need version.
* @return Get future.
*/
private IgniteInternalFuture<Map<K, V>> getAllAsync0(@Nullable Collection<KeyCacheObject> keys, boolean forcePrimary, UUID subjId, String taskName, boolean deserializeBinary, boolean recovery, @Nullable ExpiryPolicy expiryPlc, boolean skipVals, boolean skipStore, boolean canRemap, boolean needVer) {
AffinityTopologyVersion topVer = canRemap ? ctx.affinity().affinityTopologyVersion() : ctx.shared().exchange().readyAffinityVersion();
final IgniteCacheExpiryPolicy expiry = skipVals ? null : expiryPolicy(expiryPlc);
final boolean evt = !skipVals;
// Optimisation: try to resolve value locally and escape 'get future' creation.
if (!forcePrimary && ctx.affinityNode()) {
try {
Map<K, V> locVals = U.newHashMap(keys.size());
boolean success = true;
boolean readNoEntry = ctx.readNoEntry(expiry, false);
// Optimistically expect that all keys are available locally (avoid creation of get future).
for (KeyCacheObject key : keys) {
if (readNoEntry) {
CacheDataRow row = ctx.offheap().read(key);
if (row != null) {
long expireTime = row.expireTime();
if (expireTime == 0 || expireTime > U.currentTimeMillis()) {
ctx.addResult(locVals, key, row.value(), skipVals, false, deserializeBinary, true, null, row.version(), 0, 0, needVer);
if (evt) {
ctx.events().readEvent(key, null, row.value(), subjId, taskName, !deserializeBinary);
}
} else
success = false;
} else
success = false;
} else {
GridCacheEntryEx entry = null;
while (true) {
try {
entry = entryEx(key);
// If our DHT cache do has value, then we peek it.
if (entry != null) {
boolean isNew = entry.isNewLocked();
EntryGetResult getRes = null;
CacheObject v = null;
GridCacheVersion ver = null;
if (needVer) {
getRes = entry.innerGetVersioned(null, null, /*update-metrics*/
false, /*event*/
evt, subjId, null, taskName, expiry, true, null);
if (getRes != null) {
v = getRes.value();
ver = getRes.version();
}
} else {
v = entry.innerGet(null, null, /*read-through*/
false, /*update-metrics*/
false, /*event*/
evt, subjId, null, taskName, expiry, !deserializeBinary);
}
// Entry was not in memory or in swap, so we remove it from cache.
if (v == null) {
if (isNew && entry.markObsoleteIfEmpty(context().versions().next()))
removeEntry(entry);
success = false;
} else {
ctx.addResult(locVals, key, v, skipVals, false, deserializeBinary, true, getRes, ver, 0, 0, needVer);
}
} else
success = false;
// While.
break;
} catch (GridCacheEntryRemovedException ignored) {
// No-op, retry.
} catch (GridDhtInvalidPartitionException ignored) {
success = false;
// While.
break;
} finally {
if (entry != null)
ctx.evicts().touch(entry, topVer);
}
}
}
if (!success)
break;
else if (!skipVals && ctx.config().isStatisticsEnabled())
metrics0().onRead(true);
}
if (success) {
sendTtlUpdateRequest(expiry);
return new GridFinishedFuture<>(locVals);
}
} catch (IgniteCheckedException e) {
return new GridFinishedFuture<>(e);
}
}
if (expiry != null)
expiry.reset();
// Either reload or not all values are available locally.
GridPartitionedGetFuture<K, V> fut = new GridPartitionedGetFuture<>(ctx, keys, topVer, !skipStore, forcePrimary, subjId, taskName, deserializeBinary, recovery, expiry, skipVals, canRemap, needVer, false);
fut.init();
return fut;
}
use of org.apache.ignite.internal.processors.cache.EntryGetResult in project ignite by apache.
the class GridPartitionedGetFuture method localGet.
/**
* @param key Key.
* @param part Partition.
* @param locVals Local values.
* @return {@code True} if there is no need to further search value.
*/
private boolean localGet(KeyCacheObject key, int part, Map<K, V> locVals) {
assert cctx.affinityNode() : this;
GridDhtCacheAdapter<K, V> cache = cache();
boolean readNoEntry = cctx.readNoEntry(expiryPlc, false);
boolean evt = !skipVals;
while (true) {
try {
boolean skipEntry = readNoEntry;
EntryGetResult getRes = null;
CacheObject v = null;
GridCacheVersion ver = null;
if (readNoEntry) {
CacheDataRow row = cctx.offheap().read(key);
if (row != null) {
long expireTime = row.expireTime();
if (expireTime == 0 || expireTime > U.currentTimeMillis()) {
v = row.value();
if (needVer)
ver = row.version();
if (evt) {
cctx.events().readEvent(key, null, row.value(), subjId, taskName, !deserializeBinary);
}
} else
skipEntry = false;
}
}
if (!skipEntry) {
GridCacheEntryEx entry = cache.entryEx(key);
// If our DHT cache do has value, then we peek it.
if (entry != null) {
boolean isNew = entry.isNewLocked();
if (needVer) {
getRes = entry.innerGetVersioned(null, null, /*update-metrics*/
false, /*event*/
evt, subjId, null, taskName, expiryPlc, !deserializeBinary, null);
if (getRes != null) {
v = getRes.value();
ver = getRes.version();
}
} else {
v = entry.innerGet(null, null, /*read-through*/
false, /*update-metrics*/
false, /*event*/
evt, subjId, null, taskName, expiryPlc, !deserializeBinary);
}
cache.context().evicts().touch(entry, topVer);
// Entry was not in memory or in swap, so we remove it from cache.
if (v == null) {
if (isNew && entry.markObsoleteIfEmpty(ver))
cache.removeEntry(entry);
}
}
}
if (v != null) {
cctx.addResult(locVals, key, v, skipVals, keepCacheObjects, deserializeBinary, true, getRes, ver, 0, 0, needVer);
return true;
}
boolean topStable = cctx.isReplicated() || topVer.equals(cctx.topology().topologyVersion());
// Entry not found, do not continue search if topology did not change and there is no store.
if (!cctx.readThroughConfigured() && (topStable || partitionOwned(part))) {
if (!skipVals && cctx.config().isStatisticsEnabled())
cache.metrics0().onRead(false);
return true;
}
return false;
} catch (GridCacheEntryRemovedException ignored) {
// No-op, will retry.
} catch (GridDhtInvalidPartitionException ignored) {
return false;
} catch (IgniteCheckedException e) {
onDone(e);
return true;
}
}
}
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