C# Edm.EntitySet类代码示例

        public void Cannot_create_with_null_argument()
        {
            var entityType = new EntityType("ET", "N", DataSpace.CSpace);
            var entitySet = new EntitySet("ES", "S", "T", "Q", entityType);
            var function = new EdmFunction("F", "N", DataSpace.SSpace, new EdmFunctionPayload());
            var parameterBindings = Enumerable.Empty<ModificationFunctionParameterBinding>();
            var rowsAffectedParameter = new FunctionParameter("rows_affected", new TypeUsage(), ParameterMode.Out);
            var resultBindings = Enumerable.Empty<ModificationFunctionResultBinding>();

            Assert.Equal(
                "entitySet",
                Assert.Throws<ArgumentNullException>(
                    () => new ModificationFunctionMapping(
                        null, entityType, function, 
                        parameterBindings, rowsAffectedParameter, resultBindings)).ParamName);

            Assert.Equal(
                "function",
                Assert.Throws<ArgumentNullException>(
                    () => new ModificationFunctionMapping(
                        entitySet, entityType, null,
                        parameterBindings, rowsAffectedParameter, resultBindings)).ParamName);

            Assert.Equal(
                "parameterBindings",
                Assert.Throws<ArgumentNullException>(
                    () => new ModificationFunctionMapping(
                        entitySet, entityType, function,
                        null, rowsAffectedParameter, resultBindings)).ParamName);
        }

        public void Can_clear_modification_function_mappings()
        {
            var entityType = new EntityType("E", "N", DataSpace.CSpace);
            var entitySet = new EntitySet("S", "N", null, null, entityType);
            var function = new EdmFunction("F", "N", DataSpace.SSpace, new EdmFunctionPayload());

            var container = new EntityContainer("C", DataSpace.CSpace);
            container.AddEntitySetBase(entitySet);

            var entitySetMapping =
                new StorageEntitySetMapping(
                    entitySet,
                    new StorageEntityContainerMapping(container));

            var functionMapping =
                new StorageModificationFunctionMapping(
                    entitySet,
                    entityType,
                    function,
                    Enumerable.Empty<StorageModificationFunctionParameterBinding>(),
                    null,
                    null);

            var entityFunctionMappings =
                new StorageEntityTypeModificationFunctionMapping(entityType, functionMapping, null, null);

            entitySetMapping.AddModificationFunctionMapping(entityFunctionMappings);

            Assert.Equal(1, entitySetMapping.ModificationFunctionMappings.Count());

            entitySetMapping.ClearModificationFunctionMappings();

            Assert.Equal(0, entitySetMapping.ModificationFunctionMappings.Count());
        }

        public void AddEntityTypeMappingFragment(
            EntitySet entitySet, EntityType entityType, MappingFragment fragment)
        {
            Debug.Assert(fragment.Table == Table);

            _entityTypes.Add(entitySet, entityType);

            var defaultDiscriminatorColumn = fragment.GetDefaultDiscriminator();

            foreach (var cm in fragment.ColumnMappings)
            {
                var columnMapping = FindOrCreateColumnMapping(cm.ColumnProperty);
                columnMapping.AddMapping(
                    entityType,
                    cm.PropertyPath,
                    fragment.ColumnConditions.Where(cc => cc.Column == cm.ColumnProperty),
                    defaultDiscriminatorColumn == cm.ColumnProperty);
            }

            // Add any column conditions that aren't mapped to properties
            foreach (
                var cc in
                    fragment.ColumnConditions.Where(cc => fragment.ColumnMappings.All(pm => pm.ColumnProperty != cc.Column)))
            {
                var columnMapping = FindOrCreateColumnMapping(cc.Column);
                columnMapping.AddMapping(entityType, null, new[] { cc }, defaultDiscriminatorColumn == cc.Column);
            }
        }

        public void Cannot_create_function_if_entity_sets_not_null_an_not_matching_number_of_return_parameters()
        {
            var entitySet = new EntitySet("set", null, null, null, new EntityType("entity", "ns", DataSpace.CSpace));

            Assert.Equal(
                Resources.Strings.NumberOfEntitySetsDoesNotMatchNumberOfReturnParameters,
                Assert.Throws<ArgumentException>(
                    () => new EdmFunction(
                              "foo",
                              "bar",
                              DataSpace.CSpace,
                              new EdmFunctionPayload()
                                  {
                                      EntitySets = new[] { entitySet, entitySet },
                                      ReturnParameters =
                                          new[]
                                              {
                                                  new FunctionParameter(
                                                      "param",
                                                      TypeUsage.CreateDefaultTypeUsage(
                                                          PrimitiveType.GetEdmPrimitiveType(PrimitiveTypeKind.Int32)),
                                                      ParameterMode.ReturnValue)
                                                  ,
                                              }
                                  })).Message);
        }

        public void AddEntityTypeMappingFragment(
            EntitySet entitySet, EntityType entityType, StorageMappingFragment fragment)
        {
            Debug.Assert(fragment.Table == Table);

            _entityTypes.Add(entitySet, entityType);

            var defaultDiscriminatorColumn = fragment.GetDefaultDiscriminator();
            StorageConditionPropertyMapping defaultDiscriminatorCondition = null;
            if (defaultDiscriminatorColumn != null)
            {
                defaultDiscriminatorCondition =
                    fragment.ColumnConditions.SingleOrDefault(cc => cc.ColumnProperty == defaultDiscriminatorColumn);
            }

            foreach (var pm in fragment.ColumnMappings)
            {
                var columnMapping = FindOrCreateColumnMapping(pm.ColumnProperty);
                columnMapping.AddMapping(
                    entityType,
                    pm.PropertyPath,
                    fragment.ColumnConditions.Where(cc => cc.ColumnProperty == pm.ColumnProperty),
                    defaultDiscriminatorColumn == pm.ColumnProperty);
            }

            // Add any column conditions that aren't mapped to properties
            foreach (
                var cc in
                    fragment.ColumnConditions.Where(cc => !fragment.ColumnMappings.Any(pm => pm.ColumnProperty == cc.ColumnProperty)))
            {
                var columnMapping = FindOrCreateColumnMapping(cc.ColumnProperty);
                columnMapping.AddMapping(entityType, null, new[] { cc }, defaultDiscriminatorColumn == cc.ColumnProperty);
            }
        }

        // internal for testing
        internal static EntitySet CloneWithDefiningQuery(EntitySet sourceEntitySet, string definingQuery)
        {
            Debug.Assert(sourceEntitySet != null, "sourceEntitySet != null");
            Debug.Assert(!string.IsNullOrWhiteSpace(definingQuery), "invalid definingQuery");

            var metadataProperties =
                sourceEntitySet.MetadataProperties.Where(p => p.PropertyKind != PropertyKind.System).ToList();

            // these properties make it possible for the designer to track 
            // back these types to their source db objects
            if (sourceEntitySet.Schema != null)
            {
                metadataProperties.Add(
                    StoreModelBuilder.CreateStoreModelBuilderMetadataProperty(
                        SchemaAttributeName,
                        sourceEntitySet.Schema));
            }

            if (sourceEntitySet.Table != null)
            {
                metadataProperties.Add(
                    StoreModelBuilder.CreateStoreModelBuilderMetadataProperty(
                        NameAttributeName,
                        sourceEntitySet.Table));
            }

            return
                EntitySet.Create(
                    sourceEntitySet.Name,
                    null,
                    null,
                    definingQuery,
                    sourceEntitySet.ElementType,
                    metadataProperties);
        }

        public void Can_get_and_set_ends_via_wrapper_properties()
        {
            var associationType
                = new AssociationType("A", XmlConstants.ModelNamespace_3, false, DataSpace.CSpace)
                      {
                          SourceEnd = new AssociationEndMember("S", new EntityType("E", "N", DataSpace.CSpace)),
                          TargetEnd = new AssociationEndMember("T", new EntityType("E", "N", DataSpace.CSpace))
                      };

            var associationSet = new AssociationSet("A", associationType);

            Assert.Null(associationSet.SourceSet);
            Assert.Null(associationSet.TargetSet);

            var sourceEntitySet = new EntitySet();

            associationSet.SourceSet = sourceEntitySet;

            var targetEntitySet = new EntitySet();

            associationSet.TargetSet = targetEntitySet;

            Assert.Same(sourceEntitySet, associationSet.SourceSet);
            Assert.Same(targetEntitySet, associationSet.TargetSet);
        }

 /// <summary>
 ///     Helper method to get the table name for the given s-space <see cref="EntitySet" />.
 /// </summary>
 /// <param name="modelTable">The s-space entity set for the table.</param>
 /// <returns>The table name.</returns>
 protected virtual string GetTableName(EntitySet modelTable)
 {
     return modelTable.MetadataProperties.Contains("Table")
            && modelTable.MetadataProperties["Table"].Value != null
         ? (string)modelTable.MetadataProperties["Table"].Value
         : modelTable.Name;
 }

        public void WriteMappingFragment_should_write_store_entity_set_name()
        {
            var fixture = new Fixture();

            var entityType = new EntityType("E", "N", DataSpace.CSpace);
            var entitySet = new EntitySet("ES", "S", null, null, entityType);
            var entityContainer = new EntityContainer("EC", DataSpace.SSpace);

            entityContainer.AddEntitySetBase(entitySet);

            var storageEntitySetMapping
                = new EntitySetMapping(
                    entitySet,
                    new EntityContainerMapping(entityContainer));

            TypeMapping typeMapping = new EntityTypeMapping(storageEntitySetMapping);

            var mappingFragment = new MappingFragment(entitySet, typeMapping, false);

            fixture.Writer.WriteMappingFragmentElement(mappingFragment);

            Assert.Equal(
                @"<MappingFragment StoreEntitySet=""ES"" />",
                fixture.ToString());
        }

        public void Can_retrieve_properties()
        {
            var source = new EntityType("Source", "N", DataSpace.CSpace);
            var target = new EntityType("Target", "N", DataSpace.CSpace);
            var sourceEnd = new AssociationEndMember("SourceEnd", source);
            var targetEnd = new AssociationEndMember("TargetEnd", target);
            var associationType 
                = AssociationType.Create(
                    "AT",
                    "N",
                    true,
                    DataSpace.CSpace,
                    sourceEnd,
                    targetEnd,
                    null,
                    null);
            var sourceSet = new EntitySet("SourceSet", "S", "T", "Q", source);
            var targetSet = new EntitySet("TargetSet", "S", "T", "Q", target);
            var associationSet
                = AssociationSet.Create(
                    "AS",
                    associationType,
                    sourceSet,
                    targetSet,
                    null);

            var members = new List<EdmMember> { null, targetEnd };
            var memberPath = new ModificationFunctionMemberPath(members, associationSet);

            Assert.Equal(members, memberPath.Members);
            Assert.Equal(targetEnd.Name, memberPath.AssociationSetEnd.Name);
        }

        public void Configure_association_set_should_call_configure_function_configurations()
        {
            var modificationFunctionsConfiguration = new ModificationFunctionsConfiguration();

            var mockModificationFunctionConfiguration = new Mock<ModificationFunctionConfiguration>();

            modificationFunctionsConfiguration.Insert(mockModificationFunctionConfiguration.Object);
            modificationFunctionsConfiguration.Delete(mockModificationFunctionConfiguration.Object);

            var entitySet = new EntitySet();
            entitySet.ChangeEntityContainerWithoutCollectionFixup(new EntityContainer("C", DataSpace.CSpace));

            var storageModificationFunctionMapping
                = new StorageModificationFunctionMapping(
                    entitySet,
                    new EntityType("E", "N", DataSpace.CSpace),
                    new EdmFunction("F", "N", DataSpace.SSpace),
                    new StorageModificationFunctionParameterBinding[0],
                    null,
                    null);

            modificationFunctionsConfiguration.Configure(
                new StorageAssociationSetModificationFunctionMapping(
                    new AssociationSet("AS", new AssociationType("A", XmlConstants.ModelNamespace_3, false, DataSpace.CSpace)),
                    storageModificationFunctionMapping,
                    storageModificationFunctionMapping));

            mockModificationFunctionConfiguration
                .Verify(m => m.Configure(storageModificationFunctionMapping), Times.Exactly(2));
        }

        public void PrimaryParameterBindings_should_omit_original_value_parameters_when_update()
        {
            var entitySet = new EntitySet();
            entitySet.ChangeEntityContainerWithoutCollectionFixup(new EntityContainer("C", DataSpace.CSpace));

            var storageModificationFunctionMapping
                = new StorageModificationFunctionMapping(
                    entitySet,
                    new EntityType("E", "N", DataSpace.CSpace),
                    new EdmFunction("F", "N", DataSpace.SSpace),
                    new[]
                        {
                            new StorageModificationFunctionParameterBinding(
                                new FunctionParameter(),
                                new StorageModificationFunctionMemberPath(
                                new EdmMember[]
                                    {
                                        new EdmProperty("M")
                                    },
                                null),
                                false)
                        },
                    null,
                    null);

            var storageEntityTypeModificationFunctionMapping
                = new StorageEntityTypeModificationFunctionMapping(
                    new EntityType("E", "N", DataSpace.CSpace),
                    storageModificationFunctionMapping,
                    storageModificationFunctionMapping,
                    storageModificationFunctionMapping);

            Assert.Equal(2, storageEntityTypeModificationFunctionMapping.PrimaryParameterBindings.Count());
        }

        public void Can_not_create_composable_function_import_mapping_with_entity_set_and_null_structural_type_mappings()
        {
            var entityType = new EntityType("E", "N", DataSpace.CSpace);
            var entitySet = new EntitySet("ES", null, null, null, entityType);

            var functionImport =
                new EdmFunction(
                    "f",
                    "entityModel",
                    DataSpace.CSpace,
                    new EdmFunctionPayload
                        {
                            IsComposable = true,
                            EntitySets = new[] { entitySet },
                            ReturnParameters =
                                new[]
                                    {
                                        new FunctionParameter(
                                            "ReturnType", 
                                            TypeUsage.CreateDefaultTypeUsage(entityType), 
                                            ParameterMode.ReturnValue)
                                    }
                        });

            Assert.Equal(
                Strings.ComposableFunctionImportsReturningEntitiesNotSupported,
                Assert.Throws<NotSupportedException>(
                    () => new FunctionImportMappingComposable(
                              functionImport,
                              new EdmFunction(
                              "f", "store", DataSpace.CSpace, new EdmFunctionPayload { IsComposable = true }),
                              null)).Message);
        }

        public void Add(EntitySet entitySet, EntityType entityType)
        {
            DebugCheck.NotNull(entitySet);
            DebugCheck.NotNull(entityType);

            var i = 0;

            List<EntityType> entityTypes;
            if (!_entityTypes.TryGetValue(entitySet, out entityTypes))
            {
                entityTypes = new List<EntityType>();
                _entityTypes.Add(entitySet, entityTypes);
            }

            for (; i < entityTypes.Count; i++)
            {
                if (entityTypes[i] == entityType)
                {
                    return;
                }
                else if (entityType.IsAncestorOf(entityTypes[i]))
                {
                    break;
                }
            }
            entityTypes.Insert(i, entityType);
        }

        public void Can_get_entity_set()
        {
            var entityContainerMapping = new StorageEntityContainerMapping(new EntityContainer("C", DataSpace.CSpace));
            var entitySet = new EntitySet();
            var entitySetMapping = new StorageEntitySetMapping(entitySet, entityContainerMapping);

            Assert.Same(entitySet, entitySetMapping.EntitySet);
        }