public async Task Dispose()
{
_status = IndexStatus.Disposed;
//get all silos
Dictionary <SiloAddress, SiloStatus> hosts = await SiloUtils.GetHosts(true);
var numHosts = hosts.Keys.Count;
Task[] disposeToSilos = new Task[numHosts];
int i = 0;
IList <IOrleansQueryResultStream <V> > result = new List <IOrleansQueryResultStream <V> >();
GrainId grainID = GetGrainID(IndexUtils.GetIndexNameFromIndexGrain(this));
foreach (SiloAddress siloAddress in hosts.Keys)
{
//dispose the index on each silo
disposeToSilos[i] = InsideRuntimeClient.Current.InternalGrainFactory.GetSystemTarget <ActiveHashIndexPartitionedPerSiloBucket>(
grainID,
siloAddress
).Dispose();
++i;
}
await Task.WhenAll(disposeToSilos);
}
public Task <V> LookupUnique(K key)
{
if (!(state.IndexStatus == IndexStatus.Available))
{
var e = new Exception(string.Format("Index is not still available."));
logger.Error(IndexingErrorCode.IndexingIndexIsNotReadyYet_GrainServiceBucket3, $"ParentIndex {_parentIndexName}: {e.Message}", e);
throw e;
}
if (state.IndexMap.TryGetValue(key, out HashIndexSingleBucketEntry <V> entry) && !entry.IsTentative)
{
if (entry.Values.Count() == 1)
{
return(Task.FromResult(entry.Values.GetEnumerator().Current));
}
var e = new Exception(string.Format("There are {0} values for the unique lookup key \"{1}\" does not exist on index \"{2}->{3}\".",
entry.Values.Count(), key, _parentIndexName, IndexUtils.GetIndexNameFromIndexGrain(this)));
logger.Error(IndexingErrorCode.IndexingIndexIsNotReadyYet_GrainServiceBucket4, $"ParentIndex {_parentIndexName}: {e.Message}", e);
throw e;
}
var ex = new Exception(string.Format("The lookup key \"{0}\" does not exist on index \"{1}->{2}\".",
key, _parentIndexName, IndexUtils.GetIndexNameFromIndexGrain(this)));
logger.Error(IndexingErrorCode.IndexingIndexIsNotReadyYet_GrainServiceBucket5, $"ParentIndex {_parentIndexName}: {ex.Message}", ex);
throw ex;
}
public override Task OnActivateAsync()
{
var indexName = IndexUtils.GetIndexNameFromIndexGrain(this);
_indexedField = indexName.Substring(2);
return(base.OnActivateAsync());
}
public override Task OnActivateAsync()
{
_indexName = IndexUtils.GetIndexNameFromIndexGrain(this);
_indexedField = _indexName.Substring(2);
//_isUnique = isUniqueIndex; //TODO: missing support for the uniqueness feature
return(base.OnActivateAsync());
}
public async Task Dispose()
{
_status = IndexStatus.Disposed;
var indexName = IndexUtils.GetIndexNameFromIndexGrain(this);
GrainReference makeGrainReference(SiloAddress siloAddress) => GetGrainReference(this.SiloIndexManager, indexName, siloAddress);
// Get and Dispose() all buckets in silos
Dictionary <SiloAddress, SiloStatus> hosts = await this.SiloIndexManager.GetSiloHosts(true);
await Task.WhenAll(hosts.Keys.Select(sa => this.SiloIndexManager.GetGrainService <IActiveHashIndexPartitionedPerSiloBucket>(makeGrainReference(sa)).Dispose()));
}
/// <summary>
/// An extension method to intercept the calls to DirectApplyIndexUpdate
/// on an Index
/// </summary>
internal static Task <bool> ApplyIndexUpdate(this IndexInterface index, IIndexableGrain updatedGrain, Immutable <IMemberUpdate> update, bool isUniqueIndex, IndexMetaData idxMetaData, SiloAddress siloAddress = null)
{
if (index is ActiveHashIndexPartitionedPerSilo)
{
ActiveHashIndexPartitionedPerSiloBucket bucketInCurrentSilo = InsideRuntimeClient.Current.InternalGrainFactory.GetSystemTarget <ActiveHashIndexPartitionedPerSiloBucket>(
GetAHashIndexPartitionedPerSiloGrainID(IndexUtils.GetIndexNameFromIndexGrain((IAddressable )index), index.GetType().GetGenericArguments()[1]),
siloAddress
);
return(bucketInCurrentSilo.DirectApplyIndexUpdate(updatedGrain, update, isUniqueIndex, idxMetaData /*, siloAddress*/));
}
return(index.DirectApplyIndexUpdate(updatedGrain, update, isUniqueIndex, idxMetaData, siloAddress));
}
/// <summary>
/// An extension method to intercept the calls to DirectApplyIndexUpdate on an Index,
/// so that for a PerSilo index, it can obtain the GrainService of that index on the silo of the indexed grain.
/// </summary>
internal static Task <bool> ApplyIndexUpdate(this IIndexInterface index, SiloIndexManager siloIndexManager,
IIndexableGrain updatedGrain, Immutable <IMemberUpdate> update,
IndexMetaData idxMetaData, SiloAddress siloAddress = null)
{
if (index is IActiveHashIndexPartitionedPerSilo)
{
var bucketInCurrentSilo = siloIndexManager.GetGrainService <IActiveHashIndexPartitionedPerSiloBucket>(
GetAHashIndexPartitionedPerSiloGrainReference(siloIndexManager,
IndexUtils.GetIndexNameFromIndexGrain((IAddressable)index), index.GetType().GetGenericArguments()[1],
siloAddress
));
return(bucketInCurrentSilo.DirectApplyIndexUpdate(updatedGrain, update, idxMetaData.IsUniqueIndex, idxMetaData /*, siloAddress*/));
}
return(index.DirectApplyIndexUpdate(updatedGrain, update, idxMetaData.IsUniqueIndex, idxMetaData, siloAddress));
}
private ISet <Task <IOrleansQueryResult <IIndexableGrain> > > GetResultQueries(Dictionary <SiloAddress, SiloStatus> hosts, object key)
{
ISet <Task <IOrleansQueryResult <IIndexableGrain> > > queriesToSilos = new HashSet <Task <IOrleansQueryResult <IIndexableGrain> > >();
int i = 0;
var indexName = IndexUtils.GetIndexNameFromIndexGrain(this);
foreach (SiloAddress siloAddress in hosts.Keys)
{
//query each silo
queriesToSilos.Add(this.SiloIndexManager.GetGrainService <IActiveHashIndexPartitionedPerSiloBucket>(
GetGrainReference(this.SiloIndexManager, indexName, siloAddress
)).LookupAsync(/*result, */ key)); //TODO: a bug in OrleansStream currently prevents a GrainService from working with streams.
++i;
}
return(queriesToSilos);
}
private ISet <Task <IOrleansQueryResult <IIndexableGrain> > > GetResultQueries(Dictionary <SiloAddress, SiloStatus> hosts, object key)
{
ISet <Task <IOrleansQueryResult <IIndexableGrain> > > queriesToSilos = new HashSet <Task <IOrleansQueryResult <IIndexableGrain> > >();
int i = 0;
GrainId grainID = GetGrainID(IndexUtils.GetIndexNameFromIndexGrain(this));
foreach (SiloAddress siloAddress in hosts.Keys)
{
//query each silo
queriesToSilos.Add(InsideRuntimeClient.Current.InternalGrainFactory.GetSystemTarget <ActiveHashIndexPartitionedPerSiloBucket>(
grainID,
siloAddress
).Lookup(/*result, */ key)); //TODO: because of a bug in OrleansStream, a SystemTarget cannot work with streams. It should be fixed later.
++i;
}
return(queriesToSilos);
}
public async Task <V> LookupUnique(K key)
{
if (!(this.State.IndexStatus == IndexStatus.Available))
{
throw LogException("Index is not still available", IndexingErrorCode.IndexingIndexIsNotReadyYet_GrainBucket2);
}
if (this.State.IndexMap.TryGetValue(key, out HashIndexSingleBucketEntry <V> entry))
{
return((entry.Values.Count == 1 && !entry.IsTentative)
? entry.Values.GetEnumerator().Current
: throw LogException($"There are {entry.Values.Count} values for the unique lookup key \"{key}\" on index" +
$" \"{IndexUtils.GetIndexNameFromIndexGrain(this)}\", and the entry is{(entry.IsTentative ? "" : " not")} tentative.",
IndexingErrorCode.IndexingIndexIsNotReadyYet_GrainBucket3));
}
return((this.State.NextBucket != null)
? await((IHashIndexInterface <K, V>)GetNextBucket()).LookupUnique(key)
: throw LogException($"The lookup key \"{key}\" does not exist on index \"{IndexUtils.GetIndexNameFromIndexGrain(this)}\".",
IndexingErrorCode.IndexingIndexIsNotReadyYet_GrainBucket4));
}
public async Task <V> LookupUnique(K key)
{
if (!(State.IndexStatus == IndexStatus.Available))
{
var e = new Exception(string.Format("Index is not still available."));
GetLogger().Error((int)ErrorCode.IndexingIndexIsNotReadyYet_GrainBucket2, e.Message, e);
throw e;
}
HashIndexSingleBucketEntry <V> entry;
if (State.IndexMap.TryGetValue(key, out entry) && !entry.isTentative())
{
if (entry.Values.Count() == 1)
{
return(entry.Values.GetEnumerator().Current);
}
else
{
var e = new Exception(string.Format("There are {0} values for the unique lookup key \"{1}\" does not exist on index \"{2}\".", entry.Values.Count(), key, IndexUtils.GetIndexNameFromIndexGrain(this)));
GetLogger().Error((int)ErrorCode.IndexingIndexIsNotReadyYet_GrainBucket3, e.Message, e);
throw e;
}
}
else if (State.NextBucket != null)
{
return(await((HashIndexInterface <K, V>)GetNextBucket()).LookupUnique(key));
}
else
{
var e = new Exception(string.Format("The lookup key \"{0}\" does not exist on index \"{1}\".", key, IndexUtils.GetIndexNameFromIndexGrain(this)));
GetLogger().Error((int)ErrorCode.IndexingIndexIsNotReadyYet_GrainBucket4, e.Message, e);
throw e;
}
}
public Task <V> LookupUniqueAsync(K key)
{
if (!(state.IndexStatus == IndexStatus.Available))
{
throw LogException($"ParentIndex {_parentIndexName}: Index is not still available.", IndexingErrorCode.IndexingIndexIsNotReadyYet_GrainServiceBucket3);
}
if (state.IndexMap.TryGetValue(key, out HashIndexSingleBucketEntry <V> entry) && !entry.IsTentative)
{
return((entry.Values.Count == 1)
? Task.FromResult(entry.Values.GetEnumerator().Current)
: throw LogException($"ParentIndex {_parentIndexName}: There are {entry.Values.Count} values for the unique lookup key \"{key}\" on index \"{IndexUtils.GetIndexNameFromIndexGrain(this)}\".",
IndexingErrorCode.IndexingIndexIsNotReadyYet_GrainServiceBucket4));
}
throw LogException($"ParentIndex {_parentIndexName}The lookup key \"{key}\" does not exist on index \"{IndexUtils.GetIndexNameFromIndexGrain(this)}\".",
IndexingErrorCode.IndexingIndexIsNotReadyYet_GrainServiceBucket5);
}
public Task <V> LookupUnique(K key)
{
if (!(State.IndexStatus == IndexStatus.Available))
{
var e = new Exception(string.Format("Index is not still available."));
logger.Error((int)ErrorCode.IndexingIndexIsNotReadyYet_SystemTargetBucket3, e.Message, e);
throw e;
}
HashIndexSingleBucketEntry <V> entry;
if (State.IndexMap.TryGetValue(key, out entry) && !entry.isTentative())
{
if (entry.Values.Count() == 1)
{
return(Task.FromResult(entry.Values.GetEnumerator().Current));
}
else
{
var e = new Exception(string.Format("There are {0} values for the unique lookup key \"{1}\" does not exist on index \"{2}->{3}\".", entry.Values.Count(), key, _parentIndexName, IndexUtils.GetIndexNameFromIndexGrain(this)));
logger.Error((int)ErrorCode.IndexingIndexIsNotReadyYet_SystemTargetBucket4, e.Message, e);
throw e;
}
}
else
{
var e = new Exception(string.Format("The lookup key \"{0}\" does not exist on index \"{1}->{2}\".", key, _parentIndexName, IndexUtils.GetIndexNameFromIndexGrain(this)));
logger.Error((int)ErrorCode.IndexingIndexIsNotReadyYet_SystemTargetBucket5, e.Message, e);
throw e;
}
}
