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Added support for ObjectContext #194

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Added support for ObjectContext #194

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1e16d69
Added support for ObjectContext
ackava Jul 25, 2017
13705fa
Update Model.GetDatabaseFirst.cs
ackava Mar 5, 2019
6bdf83c
Merge remote-tracking branch 'upstream/master'
ackava Mar 18, 2019
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34 changes: 34 additions & 0 deletions src/shared/Z.EF.Plus._Core.Shared/Model/DbContext.GetModel.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,8 @@
using System.Runtime.Caching;
using Z.EntityFramework.Plus.Internal;
using Z.EntityFramework.Plus.Internal.Core.Infrastructure;
using System.Linq;
using System.Data.Entity.Core.Objects;
#if EF5
using System.Data.Metadata.Edm;

Expand All @@ -28,6 +30,38 @@ internal static partial class InternalExtensions
#if BATCH_DELETE || BATCH_UPDATE
public static string STANDALONE_ID = Guid.NewGuid().ToString();
#endif

internal static DbModelPlus GetModel<T>(this IQueryable<T> query) {

var dbContext = query.GetDbContext();

if (dbContext == null) {
return query.GetObjectQuery<T>().Context.GetModel();
}

return query.GetDbContext().GetModel();
}

internal static DbModelPlus GetModel(this ObjectContext context) {

var cache = MemoryCache.Default;

#if BATCH_DELETE || BATCH_UPDATE
var cacheName = "Z.EntityFramework.Plus.Model;" + STANDALONE_ID + ";" + context.GetType().FullName;
#else
var cacheName = "Z.EntityFramework.Plus.Model;" + context.GetType().FullName;
#endif
var model = (DbModelPlus)cache.Get(cacheName);
if (model == null) {

var metadataworkspace = context.MetadataWorkspace;
model = Model.GetDatabaseFirst(context);
cache.Add(new CacheItem(cacheName, model), new CacheItemPolicy());
}

return model;
}

internal static DbModelPlus GetModel(this DbContext context)
{
var cache = MemoryCache.Default;
Expand Down
35 changes: 33 additions & 2 deletions src/shared/Z.EF.Plus._Core.Shared/Model/Model/Model.GetDatabaseFirst.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -3,13 +3,18 @@
// Forum & Issues: https://github.com/zzzprojects/EntityFramework-Plus/issues
// License: https://github.com/zzzprojects/EntityFramework-Plus/blob/master/LICENSE
// More projects: http://www.zzzprojects.com/
// Copyright � ZZZ Projects Inc. 2014 - 2016. All rights reserved.
// Copyright © ZZZ Projects Inc. 2014 - 2016. All rights reserved.

#if FULL || BATCH_DELETE || BATCH_UPDATE
#if EF5 || EF6
using System;
using System.Data.Entity;
using System.Data.Entity.Core.Metadata.Edm;
using System.Data.Entity.Core.Objects;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Xml;
using System.Xml.Linq;
using Z.EntityFramework.Plus.Internal.Core.Infrastructure;
using Z.EntityFramework.Plus.Internal.Core.Mapping;
Expand Down Expand Up @@ -43,6 +48,32 @@ internal static DbModelPlus GetDatabaseFirst(DbContext context)
return GetDatabaseFirst(conceptualString, storageString, mappingString, modelSplit);
}

public static DbModelPlus GetDatabaseFirst(ObjectContext context) {

var modelSplit = "---zzz_multi_model_split_zzz---";
var asm = context.GetType().Assembly;

if(!asm.GetManifestResourceNames().Any(x => x.EndsWith(".ssdl"))) {
asm = context.GetType().BaseType.Assembly;
}

var rn = asm.GetManifestResourceNames();
var ssdl = rn.FirstOrDefault(x => x.EndsWith(".ssdl"));
var csdl = rn.FirstOrDefault(x => x.EndsWith(".csdl"));
var msl = rn.FirstOrDefault(x => x.EndsWith(".msl"));



return GetDatabaseFirst(GetXml(asm,csdl), GetXml(asm,ssdl), GetXml(asm,msl), modelSplit);
}

private static string GetXml(Assembly asm, string rn) {
using (var sr = new StreamReader(asm.GetManifestResourceStream(rn))) {
return sr.ReadToEnd();
}
}


public static DbModelPlus GetDatabaseFirst(string conceptualModel, string storageModel, string mappingModel, string modelSplit)
{
var model = new DbModelPlus();
Expand Down Expand Up @@ -135,4 +166,4 @@ public static DbModelPlus GetDatabaseFirst(string conceptualModel, string storag
}

#endif
#endif
#endif