我使用Roslyn编译,发出和运行C#源代码。但是,在面对使用EntityFramework的项目时,我遇到了限制。
似乎只是简单地发出编译是不够的,因为有一个.csproj
构建任务在它们被发出后操纵它们。 (我相信它会在它们被发出之后将元数据工件嵌入到DLL中。)
在我处理的<EntityDeploy Include="Models\Northwind.edmx">
<Generator>EntityModelCodeGenerator</Generator>
<LastGenOutput>Northwind.Designer.cs</LastGenOutput>
</EntityDeploy>
文件中,我看到以下实体部署任务:
msbuild.exe
是否可以直接调用此构建任务并操纵我发出的DLL?
注意:我不想简单地致电MSBuild
或对.csproj
文件中的所有内容运行Microsoft.Build.Evaluation
。我构建的项目存在于内存中,但不存在于磁盘上,因此在我的案例中不会起作用。
我试图学习如何使用var project = new Project(@"C:\Users\JoshVarty\Documents\Visual Studio 2015\Projects\WebApplication1\WebApplication1\WebApplication1.csproj");
//Get the entity deploy target? I'm not sure if this is a task or target.
var entityDeploy = project.Targets.Where(n => n.Key == "EntityDeploy").Single();
var projectTargetInstance = entityDeploy.Value;
内容。我可以找到EntityDeploy任务,但我对如何调用它(以及我应该提供的参数)感到茫然。
EntityDeploy
我还尝试查看磁盘上存在的var entityDeployTask = new Microsoft.Data.Entity.Build.Tasks.EntityDeploy();
entityDeployTask.Sources = //I'm not sure where I can get the ITaskItem[] I need
entityDeployTask.EntityDataModelEmbeddedResources = //I'm not sure where I can get the ITaskItem[]
entityDeployTask.Execute();
构建任务。
MSBuild
我同时对EntityFramework
,EntityDeploy
和{{1}}提出了新的要求,如果我误用了条款或完全以错误的方式来解决这个问题,请纠正我
答案 0 :(得分:4)
我不熟悉EntityDeploy
,但我会提供一些我可能会帮助您的信息。
如果您查看targets file,就可以看到EntityDeploy
目标依赖于EntityDeploy
,EntityDeploySplit
,EntityDeploySetLogicalNames
和EntityClean
任务。
当使用EntityDeploy
文件列表调用.edmx
目标时,会发生以下情况:
.edmx
个文件,并确定处理每个文件的结果是应嵌入目标程序集中还是放在一起。NonEmbeddingItems
从1开始调用,它会分割.edmx
个文件并将结果放入OutputPath
EmbeddingItems
从1开始调用,它会分割.edmx
个文件并将结果放入EntityDeployIntermediateResourcePath
EntityDeployIntermediateResourcePath
中的文件调用LogicalName
设置为用于嵌入的逻辑名称(它只是相对路径)来自EntityDeployIntermediateResourcePath
的文件,其中斜线替换为点)我还没试过这个,但应该可以按顺序调用这些来使用Engine class获得预期的行为:
// Instantiate a new Engine object
Engine engine = new Engine();
// Point to the path that contains the .NET Framework 2.0 CLR and tools
engine.BinPath = System.Environment.GetFolderPath(System.Environment.SpecialFolder.System)
+ @"\..\Microsoft.NET\Framework\v2.0.50727";
var entityDeploySplitTask = new EntityDeploySplit();
entityDeploySplitTask.Sources = new ITaskItem[]
{
new TaskItem("Model.edmx")// path to .edmx file from .csproj
};
entityDeploySplitTask.BuildEngine = engine;
entityDeploySplitTask.Execute();
var entityDeployTask = new EntityDeploy();
entityDeployTask.Sources = entityDeploySplitTask.NonEmbeddingItems
entityDeployTask.OutputPath = "."; // path to the assembly output folder
entityDeployTask.BuildEngine = engine;
entityDeployTask.Execute();
var entityDeployTask2 = new EntityDeploy();
entityDeployTask2.Sources = entityDeploySplitTask.EmbeddingItems
entityDeployTask2.OutputPath = "C:\Temp"; // path to an intermediate folder
entityDeployTask2.BuildEngine = engine;
entityDeployTask2.Execute();
var entityDeploySetLogicalTask = new EntityDeploySetLogicalNames();
entityDeploySetLogicalTask.Sources = Directory.EnumerateFiles("C:\Temp", "*.*", SearchOption.AllDirectories)
.Select(f => new TaskItem(f)).ToArray();
entityDeploySetLogicalTask.ResourceOutputPath = "C:\Temp"; // path to the intermediate folder
entityDeploySetLogicalTask.BuildEngine = engine;
entityDeploySetLogicalTask.Execute();
foreach(var resourceFile in entityDeploySetLogicalTask.ResourcesToEmbed)
{
var fileName = resourceFile.GetMetadata("Identity");
var logicalName = resourceFile.GetMetadata("LogicalName");
//TODO: Embed filename using logicalName in the output assembly
//You can embed them as normal resources by passing /resource to csc.exe
//eg. /resource:obj\Debug\edmxResourcesToEmbed\Models\SampleEF.csdl,Models.SampleEF.csdl
}
//TODO: call EntityClean or just remove all files from the intermediate directory
答案 1 :(得分:1)
尝试以下方法:
var mockObject = new Mock<IBuildEngine>();
IBuildEngine engine = mockObject.Object;
var entityDeployTask = new EntityDeploy();
entityDeployTask.Sources = new ITaskItem[]
{
new TaskItem(@"path to edmx\Model1.edmx")
};
entityDeployTask.OutputPath = @"C:\";
entityDeployTask.BuildEngine = engine;
entityDeployTask.Execute();
输出路径似乎没有被拾取,但如果它是空的,则会记录错误。如果您实现自己的IBuildEngine
并记录错误,则可以看到此信息。该过程的结果将是edmx旁边的三个文件:&#34; Model1.ssdl&#34;,&#34; Model1.csdl&#34;,&#34; Model1.msdl&#34;。这些文件需要作为嵌入资源传递给CSC,至少原始targets文件似乎是这样做的。
希望它有所帮助,至少可以让你开始。