public override void SetResponse(JsonOperationContext context, BlittableJsonReaderObject response, bool fromCache)
{
if (response == null)
{
Result = null;
return;
}
_session.AssertNotDisposed(); // verify that we don't have async query with the user closing the session
if (fromCache)
{
// we have to clone the response here because otherwise the cached item might be freed while
// we are still looking at this result, so we clone it to the side
response = response.Clone(context);
}
Result = JsonDeserializationClient.QueryResult(response);
if (fromCache)
{
Result.DurationInMs = -1;
if (Result.Timings != null)
{
Result.Timings.DurationInMs = -1;
Result.Timings = null;
}
}
}
public override unsafe (long Index, object Value) Execute(TransactionOperationContext context, Table items, long index)
{
// We have to clone the Value because we might have gotten this command from another node
// and it was serialized. In that case, it is an _internal_ object, not a full document,
// so we have to clone it to get it into a standalone mode.
Value = Value.Clone(context);
using (Slice.From(context.Allocator, ActualKey, out Slice keySlice))
using (items.Allocate(out TableValueBuilder tvb))
{
tvb.Add(keySlice.Content.Ptr, keySlice.Size);
tvb.Add(index);
tvb.Add(Value.BasePointer, Value.Size);
if (items.ReadByKey(keySlice, out var reader))
{
var itemIndex = *(long *)reader.Read((int)ClusterStateMachine.UniqueItems.Index, out var _);
if (Index == itemIndex)
{
items.Update(reader.Id, tvb);
}
else
{
// concurrency violation, so we return the current value
return(itemIndex, new BlittableJsonReaderObject(reader.Read((int)ClusterStateMachine.UniqueItems.Value, out var size), size, context));
}
}
else
{
items.Set(tvb);
}
}
return(index, Value);
}
public override unsafe (long Index, object Value) Execute(TransactionOperationContext context, Table items, long index)
{
var dbKey = Key.ToLowerInvariant();
Value = Value.Clone(context);
long itemIndex;
using (Slice.From(context.Allocator, dbKey, out Slice keySlice))
using (items.Allocate(out TableValueBuilder tvb))
{
tvb.Add(keySlice.Content.Ptr, keySlice.Size);
tvb.Add(index);
tvb.Add(Value.BasePointer, Value.Size);
if (items.ReadByKey(keySlice, out var reader))
{
itemIndex = *(long *)reader.Read((int)ClusterStateMachine.UniqueItems.Index, out var _);
if (Index == itemIndex)
{
items.Update(reader.Id, tvb);
}
else
{
// concurrency violation, so we return the current value
return(itemIndex, new BlittableJsonReaderObject(reader.Read((int)ClusterStateMachine.UniqueItems.Value, out var size), size, context));
}
}
else
{
items.Set(tvb);
}
}
return(index, Value);
}
public unsafe void SaveCommandsBatch(TransactionOperationContext context, long index)
{
if (SerializedDatabaseCommands == null || DatabaseCommandsCount == 0)
{
return;
}
var items = context.Transaction.InnerTransaction.OpenTable(ClusterStateMachine.TransactionCommandsSchema, ClusterStateMachine.TransactionCommands);
var commandsCountPerDatabase = context.Transaction.InnerTransaction.ReadTree(ClusterStateMachine.TransactionCommandsCountPerDatabase);
var commands = SerializedDatabaseCommands.Clone(context);
using (GetPrefix(context, DatabaseName, out var databaseSlice))
{
var count = commandsCountPerDatabase.ReadLong(databaseSlice) ?? 0;
using (GetPrefix(context, DatabaseName, out var prefixSlice, count))
using (items.Allocate(out TableValueBuilder tvb))
{
tvb.Add(prefixSlice.Content.Ptr, prefixSlice.Size);
tvb.Add(commands.BasePointer, commands.Size);
tvb.Add(index);
items.Insert(tvb);
using (commandsCountPerDatabase.DirectAdd(databaseSlice, sizeof(long), out var ptr))
*(long *)ptr = count + DatabaseCommandsCount;
}
}
}
protected override ReplicationBatchItem CloneInternal(JsonOperationContext context)
{
return(new CounterReplicationItem
{
Values = Values?.Clone(context),
Collection = Collection,
Id = Id
});
}
protected override ReplicationBatchItem CloneInternal(JsonOperationContext context)
{
return(new DocumentReplicationItem
{
Id = Id,
Data = Data?.Clone(context),
Collection = Collection,
Flags = Flags
});
}
public DynamicJsonValue ToJson(JsonOperationContext context)
{
return(new DynamicJsonValue
{
[nameof(Type)] = Type,
[nameof(Id)] = Id,
[nameof(Index)] = Index,
[nameof(ChangeVector)] = ChangeVector,
[nameof(Document)] = Document?.Clone(context)
});
}
public override void SetResponse(JsonOperationContext context, BlittableJsonReaderObject response, bool fromCache)
{
if (response == null)
{
return;
}
if (fromCache)
{
// we have to clone the response here because otherwise the cached item might be freed while
// we are still looking at this result, so we clone it to the side
response = response.Clone(context);
}
Result = JsonDeserializationClient.JsonPatchResult(response);
}
public override void SetResponse(JsonOperationContext context, BlittableJsonReaderObject response, bool fromCache)
{
if (response == null)
{
throw new InvalidOperationException("Got null response from the server after doing a batch, something is very wrong. Probably a garbled response.");
}
// this should never actually occur, we are not caching the response of batch commands, but keeping it here anyway
if (fromCache)
{
// we have to clone the response here because otherwise the cached item might be freed while
// we are still looking at this result, so we clone it to the side
response = response.Clone(context);
}
Result = JsonDeserializationClient.BatchCommandResult(response);
}
public Document Clone(DocumentsOperationContext context)
{
return(new Document
{
Etag = Etag,
StorageId = StorageId,
IndexScore = IndexScore,
Distance = Distance,
ChangeVector = ChangeVector,
LastModified = LastModified,
Flags = Flags,
NonPersistentFlags = NonPersistentFlags,
TransactionMarker = TransactionMarker,
Id = context.GetLazyString(Id),
LowerId = context.GetLazyString(LowerId),
Data = Data.Clone(context),
});
}
public override unsafe (long Index, object Value) Execute(TransactionOperationContext context, Table items, long index)
{
using (Slice.From(context.Allocator, ActualKey, out Slice keySlice))
{
if (items.ReadByKey(keySlice, out var reader))
{
var itemIndex = *(long *)reader.Read((int)ClusterStateMachine.UniqueItems.Index, out var _);
var storeValue = reader.Read((int)ClusterStateMachine.UniqueItems.Value, out var size);
var result = new BlittableJsonReaderObject(storeValue, size, context);
if (Index == itemIndex)
{
result = result.Clone(context);
items.Delete(reader.Id);
return(index, result);
}
return(itemIndex, result);
}
}
return(index, null);
}
public override DynamicJsonValue ToJson(JsonOperationContext context)
{
var djv = base.ToJson(context);
djv[nameof(ClusterCommands)] = new DynamicJsonArray(ClusterCommands.Select(x => x.ToJson(context)));
djv[nameof(SerializedDatabaseCommands)] = SerializedDatabaseCommands?.Clone(context);
if (SerializedDatabaseCommands == null && DatabaseCommands.Count > 0)
{
var databaseCommands = new DynamicJsonValue
{
[nameof(DatabaseCommands)] = new DynamicJsonArray(DatabaseCommands.Select(x => x.ToJson(context))),
[nameof(Options)] = Options.ToJson(),
};
djv[nameof(SerializedDatabaseCommands)] = context.ReadObject(databaseCommands, "read database commands");
}
djv[nameof(Database)] = Database;
djv[nameof(DatabaseCommandsCount)] = DatabaseCommandsCount;
return(djv);
}
private BlittableJsonReaderObject GetCleanMetadata(BlittableJsonReaderObject metadata, DocumentsOperationContext context)
{
using (var old = metadata)
metadata = metadata.Clone(context);
metadata.Modifications = new DynamicJsonValue(metadata);
metadata.Modifications.Remove("Origin");
metadata.Modifications.Remove("Raven-Synchronization-Version");
metadata.Modifications.Remove("Raven-Synchronization-Source");
metadata.Modifications.Remove("Creation-Date");
metadata.Modifications.Remove("Raven-Creation-Date");
metadata.Modifications.Remove("Raven-Synchronization-History");
metadata.Modifications.Remove("RavenFS-Size");
metadata.Modifications.Remove("Last-Modified");
metadata.Modifications.Remove("Raven-Last-Modified");
metadata.Modifications.Remove("Content-MD5");
metadata.Modifications.Remove("ETag");
using (var old = metadata)
return(context.ReadObject(metadata, Options.MigrationStateKey));
}
private BlittableJsonReaderObject Clone(BlittableJsonReaderObject origin, JsonOperationContext context)
{
if (ReadOnly)
{
return(origin);
}
var noCache = origin.NoCache;
origin.NoCache = true;
// RavenDB-8286
// here we need to make sure that we aren't sending a value to
// the js engine that might be modified by the actions of the js engine
// for example, calling put() might cause the original data to change
// because we defrag the data that we looked at. We are handling this by
// ensuring that we have our own, safe, copy.
var cloned = origin.Clone(context);
cloned.NoCache = true;
_disposables.Add(cloned);
origin.NoCache = noCache;
return(cloned);
}
public Document Clone(JsonOperationContext context)
{
var newData = Data.Clone(context);
return(CloneWith(context, newData));
}
