A document representation: * Data / Projection * Etag * Metadata
Inheritance: IJsonDocumentMetadata
        public override bool TryResolve(
            string id,
            RavenJObject metadata,
            RavenJObject document,
            JsonDocument existingDoc)
        {
            if (id.StartsWith("Raven/", StringComparison.OrdinalIgnoreCase) &&
                !id.StartsWith("Raven/Hilo/", StringComparison.OrdinalIgnoreCase))
            {
                return false;
            }

            try
            {
                this.ResolveConflict(id, metadata, document, existingDoc);
            }
            catch (Exception exception)
            {
                this.log.ErrorException(
                    string.Format(
                        "An exception occured while attempting to resolve a replication conflict for document '{0}'. The incoming document will be saved.",
                        id),
                    exception);
            }

            return true;
        }
        private void HandleConflictedDocument(JsonDocument document, TransactionInformation transactionInformation)
        {
            var conflicts = document.DataAsJson.Value<RavenJArray>("Conflicts");
            var currentSource = Database.TransactionalStorage.Id.ToString();
            var historySet = false;

            foreach (var c in conflicts)
            {
                RavenJObject conflict;
                if (Database.Documents.Delete(c.Value<string>(), null, transactionInformation, out conflict) == false)
                    continue;

                if (historySet)
                    continue;

                var conflictSource = conflict.Value<RavenJValue>(Constants.RavenReplicationSource).Value<string>();

                if (conflictSource != currentSource)
                    continue;

                deletedHistory.Value = new RavenJArray
                {
                    new RavenJObject
                    {
                        { Constants.RavenReplicationVersion, conflict[Constants.RavenReplicationVersion] },
                        { Constants.RavenReplicationSource, conflict[Constants.RavenReplicationSource] }
                    }
                };

                historySet = true;
            }
        }
Ejemplo n.º 3
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        protected void AddToContext(string key, JsonDocument document)
        {
			if(string.IsNullOrEmpty(key) || key.EndsWith("/"))
				incompleteDocumentKeyContext.Add(document);
			else
				documentKeyContext[key] = document;
        }
Ejemplo n.º 4
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        private IList<ColumnDefinition> PickLikelyColumns(JsonDocument[] sampleDocuments, string context, IList<PriorityColumn> priorityColumns)
        {
            if (priorityColumns == null || priorityColumns.Count == 0)
            {
                priorityColumns = DefaultPriorityColumns;
            }

            // only consider nested properties if any of the priority columns refers to a nested property
            var includeNestedProperties = priorityColumns.Any(c => c.PropertyNamePattern.Contains("\\."));

			var columns = DocumentHelpers.GetPropertiesFromDocuments(sampleDocuments, includeNestedProperties)
				.GroupBy(p => p)
				.Select(g => new { Property = g.Key, Occurence = g.Count() / (double)sampleDocuments.Length })
				.Select(p => new { p.Property, Importance = p.Occurence + ImportanceBoost(p.Property, context, priorityColumns) })
				.OrderByDescending(p => p.Importance)
				.ThenBy(p => p.Property)
				.Select(p => new ColumnDefinition
								 {
									 Binding = p.Property,
									 Header = p.Property,
									 DefaultWidth = GetDefaultColumnWidth(p.Property, priorityColumns)
								 })
				.Take(6)
				.ToList();

            return columns;
        }
Ejemplo n.º 5
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		private bool CanBeConsideredAsDuplicate(JsonDocument document)
		{
			if (document.Metadata[Constants.RavenReplicationConflict] != null)
				return false;

			return true;
		}
Ejemplo n.º 6
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		public void AfterStorageCommitBeforeWorkNotifications(PrefetchingUser user, JsonDocument[] documents)
		{
			foreach (var prefetcher in prefetchingBehaviors.Where(x => x.PrefetchingUser == user))
			{
				prefetcher.AfterStorageCommitBeforeWorkNotifications(documents);
			}
		}
		public override bool TryResolve(string id, RavenJObject metadata, RavenJObject document, JsonDocument existingDoc,
		                                Func<string, JsonDocument> getDocument, out RavenJObject metadataToSave,
		                                out RavenJObject documentToSave)
		{
			var existingDocumentIsInConflict = existingDoc.Metadata[Constants.RavenReplicationConflict] != null;
			var existingDocumentIsDeleted = existingDoc.Metadata[Constants.RavenDeleteMarker] != null
			                                && existingDoc.Metadata[Constants.RavenDeleteMarker].Value<bool>();

			metadataToSave = null;
			documentToSave = null;

			if (existingDocumentIsInConflict && existingDocumentIsDeleted == false)
			{
				var conflictIds =
					existingDoc.DataAsJson.Value<RavenJArray>("Conflicts")
					           .Select(x => x.Value<string>())
					           .ToArray();

				if (conflictIds.Length == 0) return false;

				if (conflictIds
					    .Select(getDocument)
					    .Where(x => x != null)
					    .All(doc => Historian.IsDirectChildOfCurrent(metadata, doc.Metadata)) == false)
					return false;

				metadataToSave = metadata;
				documentToSave = document;

				return true;
			}

			return false;
		}
Ejemplo n.º 8
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			public bool TryResolveConflict(string key, JsonDocument[] conflictedDocs, out JsonDocument resolvedDocument)
			{
				if (conflictedDocs == null || !conflictedDocs.Any())
				{
					resolvedDocument = null;
					return false;
				}

				if (key.StartsWith("Raven/"))
				{
					resolvedDocument = null;
					return false;
				}

				var maxDate = conflictedDocs.Max(x => x.Metadata.Value<DateTimeOffset>(Constants.RavenLastModified));

				resolvedDocument =
					conflictedDocs.FirstOrDefault(x => x.Metadata.Value<DateTimeOffset>(Constants.RavenLastModified) == maxDate);
				if (resolvedDocument != null)
				{
					// Do the logging before we override the metadata
					resolvedDocument.Metadata.Remove("@id");
					resolvedDocument.Metadata.Remove("@etag");
					resolvedDocument.Metadata.Remove(Constants.RavenReplicationConflict);
					resolvedDocument.Metadata.Remove(Constants.RavenReplicationConflictDocument);
				}

				return resolvedDocument != null;
			}
Ejemplo n.º 9
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			public bool TryResolveConflict(string key, JsonDocument[] conflictedDocs, out JsonDocument resolvedDocument)
			{
				var maxDate = conflictedDocs.Max(x => x.LastModified);
				resolvedDocument = conflictedDocs.FirstOrDefault(x => x.LastModified == maxDate);

				return resolvedDocument != null;
			}
Ejemplo n.º 10
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		public void AfterStorageCommitBeforeWorkNotifications(PrefetchingUser user, JsonDocument[] documents)
		{
			PrefetchingBehavior value;
			if (prefetchingBehaviors.TryGetValue(user, out value) == false)
				return;
			value.AfterStorageCommitBeforeWorkNotifications(documents);
		}
Ejemplo n.º 11
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		private void HandleConflictedDocument(JsonDocument document, TransactionInformation transactionInformation)
		{
			var conflicts = document.DataAsJson.Value<RavenJArray>("Conflicts");
			var currentSource = Database.TransactionalStorage.Id.ToString();

			foreach (var c in conflicts)
			{
				var conflict = Database.Get(c.Value<string>(), transactionInformation);
				var conflictSource = conflict.Metadata.Value<RavenJValue>(Constants.RavenReplicationSource).Value<string>();

				if (conflictSource != currentSource)
					continue;

				this.deletedHistory.Value = new RavenJArray
				{
					new RavenJObject
					{
						{ Constants.RavenReplicationVersion, conflict.Metadata[Constants.RavenReplicationVersion] },
						{ Constants.RavenReplicationSource, conflict.Metadata[Constants.RavenReplicationSource] }
					}
				};

				return;
			}
		}
		public void Add(JsonDocument value)
		{
            Debug.Assert(slim.IsWriteLockHeld);
		    var index = CalculateEtagIndex(value.Etag);
		    innerList.Insert(index, value);
		    loadedSize += value.SerializedSizeOnDisk;
		}
        public void Add(JsonDocument value)
        {
            Debug.Assert(slim.IsWriteLockHeld);

            innerList[value.Etag] = value;

            loadedSize += value.SerializedSizeOnDisk;
        }
Ejemplo n.º 14
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        public static IEnumerable<string> GetMetadataFromDocuments(JsonDocument[] jsonDocuments, bool includeNestedPropeties)
        {
            return
                jsonDocuments.SelectMany(
                    doc =>
                    GetPropertiesFromJObject(doc.Metadata, parentPropertyPath: "",
                                             includeNestedProperties: includeNestedPropeties));

        }
		public override bool TryResolve(string id, RavenJObject metadata, RavenJObject document, JsonDocument existingDoc,
		                                Func<string, JsonDocument> getDocument, out RavenJObject metadataToSave,
		                                out RavenJObject documentToSave)
		{
			metadataToSave = existingDoc.Metadata;
			documentToSave = existingDoc.DataAsJson;

			return true;
		}
Ejemplo n.º 16
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 private IList<string> CreateSuggestedBindingsFromDocuments(JsonDocument[] jsonDocuments)
 {
     var bindings = DocumentHelpers.GetPropertiesFromDocuments(jsonDocuments, true).Distinct()
         .Concat(DocumentHelpers.GetMetadataFromDocuments(jsonDocuments, true).Distinct().Select(b => "$Meta:" + b))
         .Concat(new[] {"$JsonDocument:Etag", "$JsonDocument:LastModified", "$Temp:Score"})
         .ToArray();
     
     return bindings;
 }
		protected override bool TryResolve(string id, RavenJObject metadata, RavenJObject document, JsonDocument existingDoc,
		                                Func<string, JsonDocument> getDocument, out RavenJObject metadataToSave,
		                                out RavenJObject documentToSave)
		{
			metadataToSave = metadata;
			documentToSave = document;

			return true;
		}
		private static async Task Save(string serverHash, JsonDocument document)
		{
			var path = "RavenDB Replication Information For - " + serverHash;

			var file = await folder.CreateFileAsync(path, CreationCollisionOption.ReplaceExisting);
			using (var stream = await file.OpenStreamForWriteAsync())
			{
				document.ToJson().WriteTo(stream);
			}
		}
Ejemplo n.º 19
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		public ViewableDocument(JsonDocument inner)
		{
			this.inner = inner;

			Id = inner.Metadata.IfPresent<string>("@id");
			LastModified = inner.LastModified ?? DateTime.MinValue;

			ClrType = inner.Metadata.IfPresent<string>(Constants.RavenClrType);
			CollectionType = DetermineCollectionType(inner.Metadata);
		}
Ejemplo n.º 20
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		private Guid GetFacetsEtag(JsonDocument jsonDocument, string index)
		{
			Guid etag;
			using(var md5 = MD5.Create())
			{
				var etagBytes = md5.ComputeHash(Database.GetIndexEtag(index, null).ToByteArray().Concat(jsonDocument.Etag.Value.ToByteArray()).ToArray());
				etag = new Guid(etagBytes);
			}
			return etag;
		}
        private bool ExistingDocShouldWin(RavenJObject newMetadata, JsonDocument existingDoc)
        {
            if (existingDoc == null ||
                ExistingDocHasConflict(existingDoc) ||
                ExistingDocIsOlder(newMetadata, existingDoc))
            {
                return false;
            }

            return true;
        }
		public static void TrySavingReplicationInformationToLocalCache(string serverHash, JsonDocument document)
		{
			try
			{
				Save(serverHash, document).Wait();
			}
			catch (Exception e)
			{
				log.ErrorException("Could not persist the replication information", e);
			}
		}
Ejemplo n.º 23
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			 public bool TryResolveConflict(string key, JsonDocument[] conflictedDocs, out JsonDocument resolvedDocument)
			 {
				 resolvedDocument = new JsonDocument
				 {
					 DataAsJson = new RavenJObject
					 {
						 {"Name", string.Join(" ", conflictedDocs.Select(x => x.DataAsJson.Value<string>("Name")).OrderBy(x=>x))}
					 },
					 Metadata = new RavenJObject()
				 };
				 return true;
			 }
Ejemplo n.º 24
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		public void UpdateSynchronizationState(JsonDocument[] docs)
		{
			if (docs == null)
				return;

			var lowestEtag = GetLowestEtag(docs);

			foreach (var key in etagSynchronizers)
			{
				key.Value.UpdateSynchronizationState(lowestEtag);
			}
		}
		public override void PutDocument(string key, object documentAsObject, object metadataAsObject, Engine engine)
		{
			if (documentAsObject == null)
			{
				throw new InvalidOperationException(
					string.Format("Created document cannot be null or empty. Document key: '{0}'", key));
			}

			var newDocument = new JsonDocument
			{
				Key = key,
				//DataAsJson = ToRavenJObject(doc)
				DataAsJson = RavenJObject.FromObject(documentAsObject)
			};

			if (metadataAsObject == null)
			{
				RavenJToken value;
				if (newDocument.DataAsJson.TryGetValue("@metadata", out value))
				{
					newDocument.DataAsJson.Remove("@metadata");
					newDocument.Metadata = (RavenJObject)value;
				}
			}
			else
			{
				var metadata = RavenJObject.FromObject(metadataAsObject);

				foreach (var etagKeyName in EtagKeyNames)
				{
					RavenJToken etagValue;
					if (!metadata.TryGetValue(etagKeyName, out etagValue))
						continue;

					metadata.Remove(etagKeyName);

					var etag = etagValue.Value<string>();
					if (string.IsNullOrEmpty(etag))
						continue;

					Etag newDocumentEtag;
					if (Etag.TryParse(etag, out newDocumentEtag) == false)
						throw new InvalidOperationException(string.Format("Invalid ETag value '{0}' for document '{1}'", etag, key));

					newDocument.Etag = newDocumentEtag;
				}

				newDocument.Metadata = metadata;
			}

			ValidateDocument(newDocument);
			AddToContext(key, newDocument);
		}
Ejemplo n.º 26
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		private int? HandleIndexReplaceDocument(JsonDocument document)
		{
			if (document == null)
				return null;

			var id = document.Key;
			var replaceIndexName = id.Substring(Constants.IndexReplacePrefix.Length);

			var replaceIndex = Database.IndexStorage.GetIndexInstance(replaceIndexName);
			if (replaceIndex == null)
			{
				DeleteIndexReplaceDocument(id);
				return null;
			}

			var replaceIndexId = replaceIndex.IndexId;

		    var indexDefinition = Database.IndexDefinitionStorage.GetIndexDefinition(replaceIndexId);
            if (!indexDefinition.IsSideBySideIndex)
            {
                indexDefinition.IsSideBySideIndex = true;
                Database.IndexDefinitionStorage.UpdateIndexDefinitionWithoutUpdatingCompiledIndex(indexDefinition);
            }

			var indexReplaceInformation = document.DataAsJson.JsonDeserialization<IndexReplaceInformation>();
			indexReplaceInformation.ReplaceIndex = replaceIndexName;

			if (string.Equals(replaceIndexName, indexReplaceInformation.IndexToReplace, StringComparison.OrdinalIgnoreCase))
			{
				DeleteIndexReplaceDocument(id);
				return null;
			}

			if (indexReplaceInformation.ReplaceTimeUtc.HasValue)
			{
				var dueTime = indexReplaceInformation.ReplaceTimeUtc.Value - SystemTime.UtcNow;
				if (dueTime.TotalSeconds < 0) 
					dueTime = TimeSpan.Zero;

				indexReplaceInformation.ReplaceTimer = Database.TimerManager.NewTimer(state => InternalReplaceIndexes(new Dictionary<int, IndexReplaceInformation> { { replaceIndexId, indexReplaceInformation } }), dueTime, TimeSpan.FromDays(7));
			}

			indexesToReplace.AddOrUpdate(replaceIndexId, s => indexReplaceInformation, (s, old) =>
			{
				if (old.ReplaceTimer != null)
					Database.TimerManager.ReleaseTimer(old.ReplaceTimer);

				return indexReplaceInformation;
			});

			return replaceIndexId;
		}
		public void Add(JsonDocument value)
		{
			try
			{
				slim.EnterWriteLock();
				var index = CalculateEtagIndex(value.Etag);
				innerList.Insert(index, value);
			}
			finally
			{
				slim.ExitWriteLock();
			}
		}
        private bool ExistingDocIsOlder(RavenJObject newMetadata, JsonDocument existingDoc)
        {
            var newLastModified = GetLastModified(newMetadata);

            if (!existingDoc.LastModified.HasValue ||
                newLastModified.HasValue &&
                existingDoc.LastModified <= newLastModified)
            {
                return true;
            }

            return false;
        }
Ejemplo n.º 29
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		protected long GetMaxFromDocument(JsonDocument document, long minMax)
		{
			long max;
			if (document.DataAsJson.ContainsKey("ServerHi")) // convert from hi to max
			{
				var hi = document.DataAsJson.Value<long>("ServerHi");
				max = ((hi - 1) * capacity);
				document.DataAsJson.Remove("ServerHi");
				document.DataAsJson["Max"] = max;
			}
			max = document.DataAsJson.Value<long>("Max");
			return Math.Max(max, minMax);
		}
		public void ConcurrentJsonDocumentSortedListShouldSortByEtag()
		{
			var list = new ConcurrentJsonDocumentSortedList();

			var etag1 = EtagUtil.Increment(Etag.Empty, 1);
			var etag2 = EtagUtil.Increment(Etag.Empty, 2);
			var etag3 = EtagUtil.Increment(Etag.Empty, 3);
			var etag4 = EtagUtil.Increment(Etag.Empty, 4);

			var doc1 = new JsonDocument
			{
				Etag = etag1
			};

			var doc2 = new JsonDocument
			{
				Etag = etag2
			};

			var doc3 = new JsonDocument
			{
				Etag = etag3
			};

			var doc4 = new JsonDocument
			{
				Etag = etag4
			};

		    using (list.EnterWriteLock())
		    {
                list.Add(doc4);
                list.Add(doc2);
                list.Add(doc1);
                list.Add(doc3);
		    }

			JsonDocument result;

			Assert.True(list.TryDequeue(out result));
			Assert.Equal(doc1.Etag, result.Etag);

			Assert.True(list.TryDequeue(out result));
			Assert.Equal(doc2.Etag, result.Etag);

			Assert.True(list.TryDequeue(out result));
			Assert.Equal(doc3.Etag, result.Etag);

			Assert.True(list.TryDequeue(out result));
			Assert.Equal(doc4.Etag, result.Etag);
		}
Ejemplo n.º 31
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            public override bool TryResolve(string id, Raven.Json.Linq.RavenJObject metadata, Raven.Json.Linq.RavenJObject document, Raven.Abstractions.Data.JsonDocument existingDoc, Func <string, Raven.Abstractions.Data.JsonDocument> getDocument)
            {
                if (Enabled)
                {
                    if (metadata.ContainsKey(Constants.RavenDeleteMarker))
                    {
                        ReplaceValues(document, existingDoc.DataAsJson);
                        ReplaceValues(document, existingDoc.Metadata);
                    }
                }

                return(Enabled);
            }
Ejemplo n.º 32
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 public override bool TryResolve(string id, Raven.Json.Linq.RavenJObject metadata, Raven.Json.Linq.RavenJObject document, Raven.Abstractions.Data.JsonDocument existingDoc, Func <string, Raven.Abstractions.Data.JsonDocument> getDocument)
 {
     if (Enabled)
     {
         metadata.Add("Raven-Remove-Document-Marker", true);
     }
     return(Enabled);
 }