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C# EdmItemCollection.TryGetEntityContainer方法代码示例

本文整理汇总了C#中System.Data.Metadata.Edm.EdmItemCollection.TryGetEntityContainer方法的典型用法代码示例。如果您正苦于以下问题:C# EdmItemCollection.TryGetEntityContainer方法的具体用法?C# EdmItemCollection.TryGetEntityContainer怎么用?C# EdmItemCollection.TryGetEntityContainer使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在System.Data.Metadata.Edm.EdmItemCollection的用法示例。


在下文中一共展示了EdmItemCollection.TryGetEntityContainer方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: CreateMetadataWorkspaceFromResources

        /// <summary>
        /// Creates the MetadataWorkspace for the given context type and base context type.
        /// </summary>
        /// <param name="contextType">The type of the context.</param>
        /// <param name="baseContextType">The base context type (DbContext or ObjectContext).</param>
        /// <returns>The generated <see cref="MetadataWorkspace"/></returns>
        public static MetadataWorkspace CreateMetadataWorkspaceFromResources(Type contextType, Type baseContextType)
        {
            // get the set of embedded mapping resources for the target assembly and create
            // a metadata workspace info for each group
            IEnumerable<string> metadataResourcePaths = FindMetadataResources(contextType.Assembly);
            IEnumerable<MetadataWorkspaceInfo> workspaceInfos = GetMetadataWorkspaceInfos(metadataResourcePaths);

            // Search for the correct EntityContainer by name and if found, create
            // a comlete MetadataWorkspace and return it
            foreach (var workspaceInfo in workspaceInfos)
            {
                EdmItemCollection edmItemCollection = new EdmItemCollection(workspaceInfo.Csdl);

                Type currentType = contextType;
                while (currentType != baseContextType && currentType != typeof(object))
                {
                    EntityContainer container;
                    if (edmItemCollection.TryGetEntityContainer(currentType.Name, out container))
                    {
                        StoreItemCollection store = new StoreItemCollection(workspaceInfo.Ssdl);
                        StorageMappingItemCollection mapping = new StorageMappingItemCollection(edmItemCollection, store, workspaceInfo.Msl);
                        MetadataWorkspace workspace = new MetadataWorkspace();
                        workspace.RegisterItemCollection(edmItemCollection);
                        workspace.RegisterItemCollection(store);
                        workspace.RegisterItemCollection(mapping);
                        workspace.RegisterItemCollection(new ObjectItemCollection());
                        return workspace;
                    }

                    currentType = currentType.BaseType;
                }
            }
            return null;
        }
开发者ID:chrissimon-au,项目名称:aspnetwebstack,代码行数:40,代码来源:MetadataWorkspaceUtilities.cs


注:本文中的System.Data.Metadata.Edm.EdmItemCollection.TryGetEntityContainer方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。