Performance improvements.

backend/src/Squidex.Domain.Apps.Entities.MongoDb/Contents/MongoContentCollectionAll.cs

@@ -18,7 +18,6 @@ using Squidex.Domain.Apps.Entities.Contents.Text;
 using Squidex.Domain.Apps.Entities.MongoDb.Contents.Operations;
 using Squidex.Domain.Apps.Entities.Schemas;
 using Squidex.Infrastructure;
-using Squidex.Infrastructure.Json;
 using Squidex.Infrastructure.Log;
 using Squidex.Infrastructure.MongoDb;
 using Squidex.Infrastructure.Queries;
@@ -33,12 +32,12 @@ namespace Squidex.Domain.Apps.Entities.MongoDb.Contents
         private readonly QueryIdsAsync queryIdsAsync;
         private readonly QueryScheduledContents queryScheduledItems;
 
-        public MongoContentCollectionAll(IMongoDatabase database, IAppProvider appProvider, ITextIndex indexer, IJsonSerializer serializer)
+        public MongoContentCollectionAll(IMongoDatabase database, IAppProvider appProvider, ITextIndex indexer, DataConverter converter)
             : base(database)
         {
-            queryContentAsync = new QueryContent(serializer);
-            queryContentsById = new QueryContentsByIds(serializer, appProvider);
-            queryContentsByQuery = new QueryContentsByQuery(serializer, indexer);
+            queryContentAsync = new QueryContent(converter);
+            queryContentsById = new QueryContentsByIds(converter, appProvider);
+            queryContentsByQuery = new QueryContentsByQuery(converter, indexer);
             queryIdsAsync = new QueryIdsAsync(appProvider);
             queryScheduledItems = new QueryScheduledContents();
         }

backend/src/Squidex.Domain.Apps.Entities.MongoDb/Contents/MongoContentCollectionPublished.cs

@@ -17,7 +17,6 @@ using Squidex.Domain.Apps.Entities.Contents.Text;
 using Squidex.Domain.Apps.Entities.MongoDb.Contents.Operations;
 using Squidex.Domain.Apps.Entities.Schemas;
 using Squidex.Infrastructure;
-using Squidex.Infrastructure.Json;
 using Squidex.Infrastructure.Log;
 using Squidex.Infrastructure.MongoDb;
 using Squidex.Infrastructure.Queries;
@@ -31,12 +30,12 @@ namespace Squidex.Domain.Apps.Entities.MongoDb.Contents
         private readonly QueryContentsByQuery queryContentsByQuery;
         private readonly QueryIdsAsync queryIdsAsync;
 
-        public MongoContentCollectionPublished(IMongoDatabase database, IAppProvider appProvider, ITextIndex indexer, IJsonSerializer serializer)
+        public MongoContentCollectionPublished(IMongoDatabase database, IAppProvider appProvider, ITextIndex indexer, DataConverter converter)
             : base(database)
         {
-            queryContentAsync = new QueryContent(serializer);
-            queryContentsById = new QueryContentsByIds(serializer, appProvider);
-            queryContentsByQuery = new QueryContentsByQuery(serializer, indexer);
+            queryContentAsync = new QueryContent(converter);
+            queryContentsById = new QueryContentsByIds(converter, appProvider);
+            queryContentsByQuery = new QueryContentsByQuery(converter, indexer);
             queryIdsAsync = new QueryIdsAsync(appProvider);
         }
 

backend/src/Squidex.Domain.Apps.Entities.MongoDb/Contents/MongoContentEntity.cs

@@ -16,7 +16,6 @@ using Squidex.Domain.Apps.Core.Schemas;
 using Squidex.Domain.Apps.Entities.Contents;
 using Squidex.Domain.Apps.Entities.MongoDb.Contents.Operations;
 using Squidex.Infrastructure;
-using Squidex.Infrastructure.Json;
 using Squidex.Infrastructure.MongoDb;
 
 namespace Squidex.Domain.Apps.Entities.MongoDb.Contents
@@ -105,16 +104,16 @@ namespace Squidex.Domain.Apps.Entities.MongoDb.Contents
             get { return data; }
         }
 
-        public void LoadData(NamedContentData data, Schema schema, IJsonSerializer serializer)
+        public void LoadData(NamedContentData data, Schema schema, DataConverter converter)
         {
             ReferencedIds = data.GetReferencedIds(schema);
 
-            DataByIds = data.ToMongoModel(schema, serializer);
+            DataByIds = converter.ToMongoModel(data, schema);
         }
 
-        public void ParseData(Schema schema, IJsonSerializer serializer)
+        public void ParseData(Schema schema, DataConverter converter)
         {
-            data = DataByIds.FromMongoModel(schema, serializer);
+            data = converter.FromMongoModel(DataByIds, schema);
         }
     }
 }

backend/src/Squidex.Domain.Apps.Entities.MongoDb/Contents/MongoContentRepository.cs

@@ -15,6 +15,7 @@ using Squidex.Domain.Apps.Entities.Apps;
 using Squidex.Domain.Apps.Entities.Contents;
 using Squidex.Domain.Apps.Entities.Contents.Repositories;
 using Squidex.Domain.Apps.Entities.Contents.Text;
+using Squidex.Domain.Apps.Entities.MongoDb.Contents.Operations;
 using Squidex.Domain.Apps.Entities.Schemas;
 using Squidex.Infrastructure;
 using Squidex.Infrastructure.Json;
@@ -25,7 +26,7 @@ namespace Squidex.Domain.Apps.Entities.MongoDb.Contents
     public partial class MongoContentRepository : IContentRepository, IInitializable
     {
         private readonly IAppProvider appProvider;
-        private readonly IJsonSerializer serializer;
+        private readonly DataConverter converter;
         private readonly MongoContentCollectionAll collectionAll;
         private readonly MongoContentCollectionPublished collectionPublished;
 
@@ -41,10 +42,10 @@ namespace Squidex.Domain.Apps.Entities.MongoDb.Contents
 
             this.appProvider = appProvider;
 
-            this.serializer = serializer;
+            converter = new DataConverter(serializer);
 
-            collectionAll = new MongoContentCollectionAll(database, appProvider, indexer, serializer);
-            collectionPublished = new MongoContentCollectionPublished(database, appProvider, indexer, serializer);
+            collectionAll = new MongoContentCollectionAll(database, appProvider, indexer, converter);
+            collectionPublished = new MongoContentCollectionPublished(database, appProvider, indexer, converter);
         }
 
         public async Task InitializeAsync(CancellationToken ct = default)

backend/src/Squidex.Domain.Apps.Entities.MongoDb/Contents/MongoContentRepository_SnapshotStore.cs

@@ -53,7 +53,7 @@ namespace Squidex.Domain.Apps.Entities.MongoDb.Contents
                 {
                     var schema = await GetSchemaAsync(contentEntity.IndexedAppId, contentEntity.IndexedSchemaId);
 
-                    contentEntity.ParseData(schema.SchemaDef, serializer);
+                    contentEntity.ParseData(schema.SchemaDef, converter);
 
                     return (SimpleMapper.Map(contentEntity, new ContentState()), contentEntity.Version);
                 }
@@ -109,7 +109,7 @@ namespace Squidex.Domain.Apps.Entities.MongoDb.Contents
             content.ScheduleJob = value.ScheduleJob;
             content.NewStatus = value.NewStatus;
 
-            content.LoadData(value.Data, schema.SchemaDef, serializer);
+            content.LoadData(value.Data, schema.SchemaDef, converter);
 
             await collectionAll.UpsertVersionedAsync(content.Id, oldVersion, content);
         }
@@ -127,7 +127,7 @@ namespace Squidex.Domain.Apps.Entities.MongoDb.Contents
             content.ScheduleJob = null;
             content.NewStatus = null;
 
-            content.LoadData(value.CurrentVersion.Data, schema.SchemaDef, serializer);
+            content.LoadData(value.CurrentVersion.Data, schema.SchemaDef, converter);
 
             await collectionPublished.UpsertVersionedAsync(content.Id, oldVersion, content);
         }

backend/src/Squidex.Domain.Apps.Entities.MongoDb/Contents/Operations/Extensions.cs → backend/src/Squidex.Domain.Apps.Entities.MongoDb/Contents/Operations/DataConverter.cs

@@ -12,24 +12,38 @@ using Squidex.Infrastructure.Json;
 
 namespace Squidex.Domain.Apps.Entities.MongoDb.Contents.Operations
 {
-    public static class Extensions
+    public sealed class DataConverter
     {
-        public static NamedContentData FromMongoModel(this IdContentData result, Schema schema, IJsonSerializer serializer)
+        private readonly FieldConverter[] decodeJsonConverters;
+        private readonly FieldConverter[] encodeJsonConverters;
+
+        public DataConverter(IJsonSerializer serializer)
         {
-            return result.ConvertId2Name(schema,
+            decodeJsonConverters = new[]
+            {
                 FieldConverters.ForValues(
                     ValueConverters.DecodeJson(serializer)),
                 FieldConverters.ForNestedId2Name(
-                    ValueConverters.DecodeJson(serializer)));
-        }
+                    ValueConverters.DecodeJson(serializer))
+            };
 
-        public static IdContentData ToMongoModel(this NamedContentData result, Schema schema, IJsonSerializer serializer)
-        {
-            return result.ConvertName2Id(schema,
+            encodeJsonConverters = new[]
+            {
                 FieldConverters.ForValues(
                     ValueConverters.EncodeJson(serializer)),
                 FieldConverters.ForNestedName2Id(
-                    ValueConverters.EncodeJson(serializer)));
+                    ValueConverters.EncodeJson(serializer))
+            };
+        }
+
+        public NamedContentData FromMongoModel(IdContentData result, Schema schema)
+        {
+            return result.ConvertId2Name(schema, decodeJsonConverters);
+        }
+
+        public IdContentData ToMongoModel(NamedContentData result, Schema schema)
+        {
+            return result.ConvertName2Id(schema, encodeJsonConverters);
         }
     }
 }

backend/src/Squidex.Domain.Apps.Entities.MongoDb/Contents/Operations/QueryContent.cs

@@ -11,17 +11,16 @@ using MongoDB.Driver;
 using Squidex.Domain.Apps.Entities.Contents;
 using Squidex.Domain.Apps.Entities.Schemas;
 using Squidex.Infrastructure;
-using Squidex.Infrastructure.Json;
 
 namespace Squidex.Domain.Apps.Entities.MongoDb.Contents.Operations
 {
     internal sealed class QueryContent : OperationBase
     {
-        private readonly IJsonSerializer serializer;
+        private readonly DataConverter converter;
 
-        public QueryContent(IJsonSerializer serializer)
+        public QueryContent(DataConverter converter)
         {
-            this.serializer = serializer;
+            this.converter = converter;
         }
 
         public async Task<IContentEntity?> DoAsync(ISchemaEntity schema, Guid id)
@@ -39,7 +38,7 @@ namespace Squidex.Domain.Apps.Entities.MongoDb.Contents.Operations
                     return null;
                 }
 
-                contentEntity?.ParseData(schema.SchemaDef, serializer);
+                contentEntity?.ParseData(schema.SchemaDef, converter);
             }
 
             return contentEntity;

backend/src/Squidex.Domain.Apps.Entities.MongoDb/Contents/Operations/QueryContentsByIds.cs

@@ -13,18 +13,17 @@ using MongoDB.Driver;
 using Squidex.Domain.Apps.Entities.Contents;
 using Squidex.Domain.Apps.Entities.Schemas;
 using Squidex.Infrastructure;
-using Squidex.Infrastructure.Json;
 
 namespace Squidex.Domain.Apps.Entities.MongoDb.Contents.Operations
 {
     internal sealed class QueryContentsByIds : OperationBase
     {
-        private readonly IJsonSerializer serializer;
+        private readonly DataConverter converter;
         private readonly IAppProvider appProvider;
 
-        public QueryContentsByIds(IJsonSerializer serializer, IAppProvider appProvider)
+        public QueryContentsByIds(DataConverter converter, IAppProvider appProvider)
         {
-            this.serializer = serializer;
+            this.converter = converter;
 
             this.appProvider = appProvider;
         }
@@ -44,7 +43,7 @@ namespace Squidex.Domain.Apps.Entities.MongoDb.Contents.Operations
             {
                 if (contentSchemas.TryGetValue(contentEntity.IndexedSchemaId, out var contentSchema))
                 {
-                    contentEntity.ParseData(contentSchema.SchemaDef, serializer);
+                    contentEntity.ParseData(contentSchema.SchemaDef, converter);
 
                     result.Add((contentEntity, contentSchema));
                 }

backend/src/Squidex.Domain.Apps.Entities.MongoDb/Contents/Operations/QueryContentsByQuery.cs

@@ -15,7 +15,6 @@ using Squidex.Domain.Apps.Entities.Contents;
 using Squidex.Domain.Apps.Entities.Contents.Text;
 using Squidex.Domain.Apps.Entities.Schemas;
 using Squidex.Infrastructure;
-using Squidex.Infrastructure.Json;
 using Squidex.Infrastructure.MongoDb.Queries;
 using Squidex.Infrastructure.Queries;
 
@@ -23,12 +22,12 @@ namespace Squidex.Domain.Apps.Entities.MongoDb.Contents.Operations
 {
     internal sealed class QueryContentsByQuery : OperationBase
     {
-        private readonly IJsonSerializer serializer;
+        private readonly DataConverter converter;
         private readonly ITextIndex indexer;
 
-        public QueryContentsByQuery(IJsonSerializer serializer, ITextIndex indexer)
+        public QueryContentsByQuery(DataConverter converter, ITextIndex indexer)
         {
-            this.serializer = serializer;
+            this.converter = converter;
 
             this.indexer = indexer;
         }
@@ -83,7 +82,7 @@ namespace Squidex.Domain.Apps.Entities.MongoDb.Contents.Operations
 
                 foreach (var entity in contentItems.Result)
                 {
-                    entity.ParseData(schema.SchemaDef, serializer);
+                    entity.ParseData(schema.SchemaDef, converter);
                 }
 
                 return ResultList.Create<IContentEntity>(contentCount.Result, contentItems.Result);

backend/src/Squidex.Domain.Apps.Entities/Contents/Text/Extensions.cs

@@ -5,17 +5,18 @@
 //  All rights reserved. Licensed under the MIT license.
 // ==========================================================================
 
-using System;
 using System.Collections.Generic;
 using System.Text;
+using Microsoft.Extensions.ObjectPool;
 using Squidex.Domain.Apps.Core.Contents;
-using Squidex.Infrastructure;
 using Squidex.Infrastructure.Json.Objects;
 
 namespace Squidex.Domain.Apps.Entities.Contents.Text
 {
     public static class Extensions
     {
+        private static readonly ObjectPool<StringBuilder> Pool = new DefaultObjectPool<StringBuilder>(new StringBuilderPooledObjectPolicy());
+
         public static Dictionary<string, string> ToTexts(this NamedContentData data)
         {
             var result = new Dictionary<string, string>();
@@ -24,63 +25,68 @@ namespace Squidex.Domain.Apps.Entities.Contents.Text
             {
                 var languages = new Dictionary<string, StringBuilder>();
 
-                void AppendText(string language, string text)
-                {
-                    if (!string.IsNullOrWhiteSpace(text))
-                    {
-                        var sb = languages.GetOrAddNew(language);
-
-                        if (sb.Length > 0)
-                        {
-                            sb.Append(" ");
-                        }
-
-                        sb.Append(text);
-                    }
-                }
-
                 foreach (var value in data.Values)
                 {
                     if (value != null)
                     {
                         foreach (var (key, jsonValue) in value)
                         {
-                            var appendText = new Action<string>(text => AppendText(key, text));
-
-                            AppendJsonText(jsonValue, appendText);
+                            AppendJsonText(languages, key, jsonValue);
                         }
                     }
                 }
 
-                foreach (var (key, value) in languages)
+                foreach (var (key, stringBuilder) in languages)
                 {
-                    result[key] = value.ToString();
+                    result[key] = stringBuilder.ToString();
+
+                    Pool.Return(stringBuilder);
                 }
             }
 
             return result;
         }
 
-        private static void AppendJsonText(IJsonValue value, Action<string> appendText)
+        private static void AppendJsonText(Dictionary<string, StringBuilder> languages, string language, IJsonValue value)
         {
             if (value.Type == JsonValueType.String)
             {
-                appendText(value.ToString());
+                AppendText(languages, language, value.ToString());
             }
             else if (value is JsonArray array)
             {
                 foreach (var item in array)
                 {
-                    AppendJsonText(item, appendText);
+                    AppendJsonText(languages, language, item);
                 }
             }
             else if (value is JsonObject obj)
             {
                 foreach (var item in obj.Values)
                 {
-                    AppendJsonText(item, appendText);
+                    AppendJsonText(languages, language, item);
                 }
             }
         }
+
+        private static void AppendText(Dictionary<string, StringBuilder> languages, string language, string text)
+        {
+            if (!string.IsNullOrWhiteSpace(text))
+            {
+                if (!languages.TryGetValue(language, out var stringBuilder))
+                {
+                    stringBuilder = Pool.Get();
+
+                    languages[language] = stringBuilder;
+                }
+
+                if (stringBuilder.Length > 0)
+                {
+                    stringBuilder.Append(" ");
+                }
+
+                stringBuilder.Append(text);
+            }
+        }
     }
 }

backend/src/Squidex.Infrastructure.Azure/EventSourcing/StreamPosition.cs

@@ -5,6 +5,8 @@
 //  All rights reserved. Licensed under the MIT license.
 // ==========================================================================
 
+using System.Text;
+
 namespace Squidex.Infrastructure.EventSourcing
 {
     internal sealed class StreamPosition
@@ -30,14 +32,15 @@ namespace Squidex.Infrastructure.EventSourcing
 
         public static implicit operator string(StreamPosition position)
         {
-            var parts = new object[]
-            {
-                position.Timestamp,
-                position.CommitOffset,
-                position.CommitSize
-            };
+            var sb = new StringBuilder(20);
+
+            sb.Append(position.Timestamp);
+            sb.Append("-");
+            sb.Append(position.CommitOffset);
+            sb.Append("-");
+            sb.Append(position.CommitSize);
 
-            return string.Join("-", parts);
+            return sb.ToString();
         }
 
         public static implicit operator StreamPosition(string? position)

backend/src/Squidex.Infrastructure.MongoDb/EventSourcing/StreamPosition.cs

@@ -35,7 +35,7 @@ namespace Squidex.Infrastructure.EventSourcing
 
         public static implicit operator string(StreamPosition position)
         {
-            var sb = new StringBuilder();
+            var sb = new StringBuilder(20);
 
             sb.Append(position.Timestamp.Timestamp);
             sb.Append("-");

backend/src/Squidex.Infrastructure/Json/Newtonsoft/NamedGuidIdConverter.cs

@@ -12,6 +12,8 @@ namespace Squidex.Infrastructure.Json.Newtonsoft
 {
     public sealed class NamedGuidIdConverter : JsonClassConverter<NamedId<Guid>>
     {
+        private static readonly Parser<Guid> Parser = Guid.TryParse;
+
         protected override void WriteValue(JsonWriter writer, NamedId<Guid> value, JsonSerializer serializer)
         {
             writer.WriteValue(value.ToString());
@@ -21,7 +23,7 @@ namespace Squidex.Infrastructure.Json.Newtonsoft
         {
             var value = serializer.Deserialize<string>(reader)!;
 
-            if (!NamedId<Guid>.TryParse(value, Guid.TryParse, out var result))
+            if (!NamedId<Guid>.TryParse(value, Parser, out var result))
             {
                 throw new JsonException("Named id must have more than 2 parts divided by commata.");
             }

backend/src/Squidex.Infrastructure/Json/Newtonsoft/NamedLongIdConverter.cs

@@ -12,6 +12,8 @@ namespace Squidex.Infrastructure.Json.Newtonsoft
 {
     public sealed class NamedLongIdConverter : JsonClassConverter<NamedId<long>>
     {
+        private static readonly Parser<long> Parser = long.TryParse;
+
         protected override void WriteValue(JsonWriter writer, NamedId<long> value, JsonSerializer serializer)
         {
             writer.WriteValue(value.ToString());
@@ -21,7 +23,7 @@ namespace Squidex.Infrastructure.Json.Newtonsoft
         {
             var value = serializer.Deserialize<string>(reader)!;
 
-            if (!NamedId<long>.TryParse(value, long.TryParse, out var result))
+            if (!NamedId<long>.TryParse(value, Parser, out var result))
             {
                 throw new JsonException("Named id must have at least 2 parts divided by commata.");
             }

backend/src/Squidex.Infrastructure/Json/Newtonsoft/NamedStringIdConverter.cs

@@ -12,6 +12,8 @@ namespace Squidex.Infrastructure.Json.Newtonsoft
 {
     public sealed class NamedStringIdConverter : JsonClassConverter<NamedId<string>>
     {
+        private static readonly Parser<string> Parser = ParseString;
+
         protected override void WriteValue(JsonWriter writer, NamedId<string> value, JsonSerializer serializer)
         {
             writer.WriteValue(value.ToString());
@@ -21,7 +23,7 @@ namespace Squidex.Infrastructure.Json.Newtonsoft
         {
             var value = serializer.Deserialize<string>(reader)!;
 
-            if (!NamedId<string>.TryParse(value, ParseString, out var result))
+            if (!NamedId<string>.TryParse(value, Parser, out var result))
             {
                 throw new JsonException("Named id must have at least 2 parts divided by commata.");
             }