public override int HandleMap(IndexItem indexItem, IEnumerable mapResults, Lazy <IndexWriteOperation> writer, TransactionOperationContext indexContext, IndexingStatsScope stats)
{
EnsureValidStats(stats);
bool mustDelete;
using (_stats.BloomStats.Start())
{
mustDelete = _filters.Add(indexItem.LowerId) == false;
}
if (indexItem.SkipLuceneDelete == false && mustDelete)
{
writer.Value.Delete(indexItem.LowerId, stats);
}
var numberOfOutputs = 0;
foreach (var mapResult in mapResults)
{
writer.Value.IndexDocument(indexItem.LowerId, indexItem.LowerSourceDocumentId, mapResult, stats, indexContext);
numberOfOutputs++;
}
HandleIndexOutputsPerDocument(indexItem.Id ?? indexItem.LowerId, numberOfOutputs, stats);
DocumentDatabase.Metrics.MapIndexes.IndexedPerSec.Mark(numberOfOutputs);
return(numberOfOutputs);
}
public override int HandleMap(LazyStringValue key, IEnumerable mapResults, IndexWriteOperation writer, TransactionOperationContext indexContext, IndexingStatsScope stats)
{
EnsureValidStats(stats);
bool mustDelete;
using (_stats.BloomStats.Start())
{
mustDelete = _filter.Add(key) == false;
}
if (mustDelete)
{
writer.Delete(key, stats);
}
var numberOfOutputs = 0;
foreach (var mapResult in mapResults)
{
writer.IndexDocument(key, mapResult, stats, indexContext);
numberOfOutputs++;
}
HandleIndexOutputsPerDocument(key, numberOfOutputs, stats);
DocumentDatabase.Metrics.IndexedPerSecond.Mark();
return(numberOfOutputs);
}
public override void HandleDelete(Tombstone tombstone, string collection, Lazy <IndexWriteOperation> writer, TransactionOperationContext indexContext, IndexingStatsScope stats)
{
writer.Value.Delete(tombstone.LowerId, stats);
}
public static void HandleDeleteBySourceDocumentId(MapReduceIndex index, HandleReferences handleReferences, HandleCompareExchangeReferences handleCompareExchangeReferences, Tombstone tombstone, string collection, Lazy<IndexWriteOperation> writer, TransactionOperationContext indexContext, IndexingStatsScope stats)
{
HandleReferencesDelete(handleReferences, handleCompareExchangeReferences, tombstone, collection, writer, indexContext, stats);
using (ToPrefixKey(tombstone.LowerId, indexContext, out var prefixKey))
{
var toDelete = new List<Slice>();
using (var it = index.MapReduceWorkContext.MapPhaseTree.Iterate(prefetch: false))
{
it.SetRequiredPrefix(prefixKey);
if (it.Seek(prefixKey) == false)
return;
do
{
toDelete.Add(it.CurrentKey.Clone(indexContext.Allocator));
} while (it.MoveNext());
}
foreach (var key in toDelete)
{
index.MapReduceWorkContext.DocumentMapEntries.RepurposeInstance(key, clone: false);
if (index.MapReduceWorkContext.DocumentMapEntries.NumberOfEntries == 0)
continue;
foreach (var mapEntry in MapReduceIndex.GetMapEntries(index.MapReduceWorkContext.DocumentMapEntries))
{
var store = index.GetResultsStore(mapEntry.ReduceKeyHash, indexContext, create: false);
store.Delete(mapEntry.Id);
}
index.MapReduceWorkContext.MapPhaseTree.DeleteFixedTreeFor(key, sizeof(ulong));
}
}
