示例#1
0
            internal void LoadStoreCollection(EdmItemCollection edmItemCollection, MetadataArtifactLoader loader)
            {
                StoreItemCollection     storeItemCollection = null;
                IEnumerable <XmlReader> sSpaceXmlReaders    = loader.CreateReaders(DataSpace.SSpace);

                try
                {
                    // Load the store side, however, only do so if we don't already have one
                    storeItemCollection = new StoreItemCollection(
                        sSpaceXmlReaders,
                        loader.GetPaths(DataSpace.SSpace));
                }
                finally
                {
                    Helper.DisposeXmlReaders(sSpaceXmlReaders);
                }

                // If this entry is getting re-used, make sure that the previous query cache manager gets
                // cleared up
                if (_queryCacheManager != null)
                {
                    _queryCacheManager.Clear();
                }

                // Update the query cache manager reference
                _queryCacheManager = storeItemCollection.QueryCacheManager;

                // With the store metadata in place, we can then load the mappings, however, only use it
                // if we don't already have one
                //
                StorageMappingItemCollection storageMappingItemCollection = null;
                IEnumerable <XmlReader>      csSpaceXmlReaders            = loader.CreateReaders(DataSpace.CSSpace);

                try
                {
                    storageMappingItemCollection = new StorageMappingItemCollection(
                        edmItemCollection,
                        storeItemCollection,
                        csSpaceXmlReaders,
                        loader.GetPaths(DataSpace.CSSpace));
                }
                finally
                {
                    Helper.DisposeXmlReaders(csSpaceXmlReaders);
                }

                List <string> permissionPaths = new List <string>();

                loader.CollectFilePermissionPaths(permissionPaths, DataSpace.SSpace);
                loader.CollectFilePermissionPaths(permissionPaths, DataSpace.CSSpace);
                FileIOPermission filePermissions = null;

                if (permissionPaths.Count > 0)
                {
                    filePermissions = new FileIOPermission(FileIOPermissionAccess.Read, permissionPaths.ToArray());
                }
                this.UpdateMetadataEntry(storageMappingItemCollection, filePermissions);
            }
示例#2
0
            internal void LoadEdmItemCollection(MetadataArtifactLoader loader)
            {
                Debug.Assert(loader != null, "loader is null");

                List <XmlReader> readers = loader.CreateReaders(DataSpace.CSpace);

                try
                {
                    EdmItemCollection itemCollection = new EdmItemCollection(
                        readers,
                        loader.GetPaths(DataSpace.CSpace)
                        );

                    List <string> permissionPaths = new List <string>();
                    loader.CollectFilePermissionPaths(permissionPaths, DataSpace.CSpace);
                    FileIOPermission filePermissions = null;
                    if (permissionPaths.Count > 0)
                    {
                        filePermissions = new FileIOPermission(FileIOPermissionAccess.Read, permissionPaths.ToArray());
                    }

                    UpdateMetadataEntry(itemCollection, filePermissions);
                }
                finally
                {
                    Helper.DisposeXmlReaders(readers);
                }
            }
示例#3
0
        [ResourceConsumption(ResourceScope.Machine)] //For MetadataArtifactLoader.CreateCompositeFromFilePaths method call but we do not create the file paths in this method
        public EdmItemCollection(params string[] filePaths)
            : base(DataSpace.CSpace)
        {
            EntityUtil.CheckArgumentNull(filePaths, "filePaths");

            // Wrap the file paths in instances of the MetadataArtifactLoader class, which provides
            // an abstraction and a uniform interface over a diverse set of metadata artifacts.
            //
            MetadataArtifactLoader composite = null;
            List <XmlReader>       readers   = null;

            try
            {
                composite = MetadataArtifactLoader.CreateCompositeFromFilePaths(filePaths, XmlConstants.CSpaceSchemaExtension);
                readers   = composite.CreateReaders(DataSpace.CSpace);
                this.Init(readers,
                          composite.GetPaths(DataSpace.CSpace),
                          true /*throwOnError*/);
            }
            finally
            {
                if (readers != null)
                {
                    Helper.DisposeXmlReaders(readers);
                }
            }
        }
示例#4
0
        [ResourceConsumption(ResourceScope.Machine)] //For MetadataArtifactLoader.CreateCompositeFromFilePaths method call but we do not create the file paths in this method
        public StoreItemCollection(params string[] filePaths)
            : base(DataSpace.SSpace)
        {
            EntityUtil.CheckArgumentNull(filePaths, "filePaths");
            IEnumerable <string> enumerableFilePaths = filePaths;

            EntityUtil.CheckArgumentEmpty(ref enumerableFilePaths, Strings.StoreItemCollectionMustHaveOneArtifact, "filePaths");

            // Wrap the file paths in instances of the MetadataArtifactLoader class, which provides
            // an abstraction and a uniform interface over a diverse set of metadata artifacts.
            //
            MetadataArtifactLoader composite = null;
            List <XmlReader>       readers   = null;

            try
            {
                composite = MetadataArtifactLoader.CreateCompositeFromFilePaths(enumerableFilePaths, XmlConstants.SSpaceSchemaExtension);
                readers   = composite.CreateReaders(DataSpace.SSpace);
                IEnumerable <XmlReader> ieReaders = readers.AsEnumerable();
                EntityUtil.CheckArgumentEmpty(ref ieReaders, Strings.StoreItemCollectionMustHaveOneArtifact, "filePaths");

                this.Init(readers,
                          composite.GetPaths(DataSpace.SSpace), true,
                          out _providerManifest,
                          out _providerFactory,
                          out _providerManifestToken,
                          out _cachedCTypeFunction);
            }
            finally
            {
                if (readers != null)
                {
                    Helper.DisposeXmlReaders(readers);
                }
            }
        }