public static CollectionOfBloomFilters Load(Mode mode, TransactionOperationContext indexContext)
{
var tree = indexContext.Transaction.InnerTransaction.CreateTree("BloomFilters");
var count = GetCount(tree, ref mode);
var collection = new CollectionOfBloomFilters(mode, tree, indexContext);
for (var i = 0; i < count; i++)
{
BloomFilter filter = null;
switch (mode)
{
case Mode.X64:
filter = new BloomFilter64(i, tree, writeable: false, allocator: indexContext.Allocator);
break;
case Mode.X86:
filter = new BloomFilter32(i, tree, writeable: false, allocator: indexContext.Allocator);
break;
}
collection.AddFilter(filter);
}
collection.Initialize();
return(collection);
}
public override IDisposable InitializeIndexingWork(TransactionOperationContext indexContext)
{
var mode = sizeof(int) == IntPtr.Size || DocumentDatabase.Configuration.Storage.ForceUsing32BitsPager
? CollectionOfBloomFilters.Mode.X86
: CollectionOfBloomFilters.Mode.X64;
_filters = CollectionOfBloomFilters.Load(mode, indexContext);
return(_filters);
}
public override IDisposable InitializeIndexingWork(TransactionOperationContext indexContext)
{
var mode = DocumentDatabase.Is32Bits
? CollectionOfBloomFilters.Mode.X86
: CollectionOfBloomFilters.Mode.X64;
_filters = CollectionOfBloomFilters.Load(mode, indexContext);
return(_filters);
}
public static CollectionOfBloomFilters Load(Mode mode, TransactionOperationContext indexContext)
{
var isNew = false;
var tree = indexContext.Transaction.InnerTransaction.ReadTree(BloomFiltersTreeName);
if (tree == null)
{
isNew = true;
tree = indexContext.Transaction.InnerTransaction.CreateTree(BloomFiltersTreeName);
}
var version = GetVersion(tree, isNew);
var count = GetCount(tree, ref mode);
if (count == _consumed)
{
Debug.Assert(mode == Mode.X86, "BloomFilters in x64 mode got consumed, should not happen and likely a bug!");
var consumedCollection = new CollectionOfBloomFilters(mode, version, tree: null, context: null)
{
Consumed = true
};
return(consumedCollection);
}
var collection = new CollectionOfBloomFilters(mode, version, tree, indexContext);
for (var i = 0; i < count; i++)
{
BloomFilter filter = null;
switch (mode)
{
case Mode.X64:
filter = new BloomFilter64(i, version, tree, writable: false, allocator: indexContext.Allocator);
break;
case Mode.X86:
filter = new BloomFilter32(i, version, tree, writable: false, allocator: indexContext.Allocator);
break;
}
collection.AddFilter(filter);
}
collection.Initialize();
return(collection);
}
public static unsafe CollectionOfBloomFilters Load(int singleBloomFilterCapacity, TransactionOperationContext indexContext)
{
var tree = indexContext.Transaction.InnerTransaction.CreateTree("IndexedDocs");
var collection = new CollectionOfBloomFilters(singleBloomFilterCapacity, tree, indexContext);
using (var it = tree.Iterate(prefetch: false))
{
if (it.Seek(Slices.BeforeAllKeys))
{
do
{
var reader = it.CreateReaderForCurrent();
Debug.Assert(reader.Length == BloomFilter.PtrSize);
collection.AddFilter(new BloomFilter(it.CurrentKey.Clone(indexContext.Allocator, ByteStringType.Immutable), reader.Base, tree, writeable: false));
} while (it.MoveNext());
}
}
collection.Initialize();
return(collection);
}
public override IDisposable InitializeIndexingWork(TransactionOperationContext indexContext)
{
_filter = CollectionOfBloomFilters.Load(CollectionOfBloomFilters.BloomFilter.Capacity, indexContext);
return(null);
}
