Ejemplo n.º 1
0
        internal static TypeUsage ValidateNewEntityWithRelationships(
            EntityType entityType,
            IEnumerable <DbExpression> attributeValues,
            IList <DbRelatedEntityRef> relationships,
            out DbExpressionList validArguments,
            out ReadOnlyCollection <DbRelatedEntityRef> validRelatedRefs)
        {
            TypeUsage typeUsage = ArgumentValidation.ValidateNew(ArgumentValidation.CreateResultType((EdmType)entityType), attributeValues, out validArguments);

            if (relationships.Count > 0)
            {
                List <DbRelatedEntityRef> relatedEntityRefList = new List <DbRelatedEntityRef>(relationships.Count);
                for (int index = 0; index < relationships.Count; ++index)
                {
                    DbRelatedEntityRef relationship = relationships[index];
                    EntityTypeBase     elementType  = TypeHelpers.GetEdmType <RefType>(relationship.SourceEnd.TypeUsage).ElementType;
                    if (!entityType.EdmEquals((MetadataItem)elementType) && !entityType.IsSubtypeOf((EdmType)elementType))
                    {
                        throw new ArgumentException(Strings.Cqt_NewInstance_IncompatibleRelatedEntity_SourceTypeNotValid, StringUtil.FormatIndex(nameof(relationships), index));
                    }
                    relatedEntityRefList.Add(relationship);
                }
                validRelatedRefs = new ReadOnlyCollection <DbRelatedEntityRef>((IList <DbRelatedEntityRef>)relatedEntityRefList);
            }
            else
            {
                validRelatedRefs = new ReadOnlyCollection <DbRelatedEntityRef>((IList <DbRelatedEntityRef>) new DbRelatedEntityRef[0]);
            }
            return(typeUsage);
        }
        internal DbRelatedEntityRef(
            RelationshipEndMember sourceEnd,
            RelationshipEndMember targetEnd,
            DbExpression targetEntityRef)
        {
            if (!object.ReferenceEquals((object)sourceEnd.DeclaringType, (object)targetEnd.DeclaringType))
            {
                throw new ArgumentException(Strings.Cqt_RelatedEntityRef_TargetEndFromDifferentRelationship, nameof(targetEnd));
            }
            if (object.ReferenceEquals((object)sourceEnd, (object)targetEnd))
            {
                throw new ArgumentException(Strings.Cqt_RelatedEntityRef_TargetEndSameAsSourceEnd, nameof(targetEnd));
            }
            if (targetEnd.RelationshipMultiplicity != RelationshipMultiplicity.One && targetEnd.RelationshipMultiplicity != RelationshipMultiplicity.ZeroOrOne)
            {
                throw new ArgumentException(Strings.Cqt_RelatedEntityRef_TargetEndMustBeAtMostOne, nameof(targetEnd));
            }
            if (!TypeSemantics.IsReferenceType(targetEntityRef.ResultType))
            {
                throw new ArgumentException(Strings.Cqt_RelatedEntityRef_TargetEntityNotRef, nameof(targetEntityRef));
            }
            EntityTypeBase elementType1 = TypeHelpers.GetEdmType <RefType>(targetEnd.TypeUsage).ElementType;
            EntityTypeBase elementType2 = TypeHelpers.GetEdmType <RefType>(targetEntityRef.ResultType).ElementType;

            if (!elementType1.EdmEquals((MetadataItem)elementType2) && !TypeSemantics.IsSubTypeOf((EdmType)elementType2, (EdmType)elementType1))
            {
                throw new ArgumentException(Strings.Cqt_RelatedEntityRef_TargetEntityNotCompatible, nameof(targetEntityRef));
            }
            this._targetEntityRef = targetEntityRef;
            this._targetEnd       = targetEnd;
            this._sourceEnd       = sourceEnd;
        }
        private void CheckConcurrencyControlTokens()
        {
            EntityTypeBase   elementType      = this.m_extent.ElementType;
            Set <EdmMember>  forTypeHierarchy = MetadataHelper.GetConcurrencyMembersForTypeHierarchy(elementType, this.m_edmItemCollection);
            Set <MemberPath> other            = new Set <MemberPath>(MemberPath.EqualityComparer);

            foreach (EdmMember member in forTypeHierarchy)
            {
                if (!member.DeclaringType.IsAssignableFrom((EdmType)elementType))
                {
                    ExceptionHelpers.ThrowMappingException(new ErrorLog.Record(ViewGenErrorCode.ConcurrencyDerivedClass, Strings.ViewGen_Concurrency_Derived_Class((object)member.Name, (object)member.DeclaringType.Name, (object)this.m_extent), (IEnumerable <LeftCellWrapper>) this.m_cellWrappers, string.Empty), this.m_config);
                }
                other.Add(new MemberPath(this.m_extent, member));
            }
            if (forTypeHierarchy.Count <= 0)
            {
                return;
            }
            foreach (LeftCellWrapper cellWrapper in this.m_cellWrappers)
            {
                Set <MemberPath> set = new Set <MemberPath>(cellWrapper.OnlyInputCell.CQuery.WhereClause.MemberRestrictions.Select <MemberRestriction, MemberPath>((Func <MemberRestriction, MemberPath>)(oneOf => oneOf.RestrictedMemberSlot.MemberPath)), MemberPath.EqualityComparer);
                set.Intersect(other);
                if (set.Count > 0)
                {
                    StringBuilder stringBuilder = new StringBuilder();
                    stringBuilder.AppendLine(Strings.ViewGen_Concurrency_Invalid_Condition((object)MemberPath.PropertiesToUserString((IEnumerable <MemberPath>)set, false), (object)this.m_extent.Name));
                    ExceptionHelpers.ThrowMappingException(new ErrorLog.Record(ViewGenErrorCode.ConcurrencyTokenHasCondition, stringBuilder.ToString(), (IEnumerable <LeftCellWrapper>) new LeftCellWrapper[1]
                    {
                        cellWrapper
                    }, string.Empty), this.m_config);
                }
            }
        }
Ejemplo n.º 4
0
        private void AddEntityTypeToSetEntry(EntityType entityType, EntitySet entitySet)
        {
            EntityTypeBase rootType = StructuredTypeInfo.GetRootType((EntityTypeBase)entityType);
            bool           flag     = true;

            if (entitySet == null)
            {
                flag = false;
            }
            else
            {
                EntitySet entitySet1;
                if (this.m_entityTypeToEntitySetMap.TryGetValue(rootType, out entitySet1) && entitySet1 != entitySet)
                {
                    flag = false;
                }
            }
            if (flag)
            {
                this.m_entityTypeToEntitySetMap[rootType] = entitySet;
            }
            else
            {
                this.m_entityTypeToEntitySetMap[rootType] = (EntitySet)null;
            }
        }
 /// <summary>
 ///     Merge the discriminatorMap info we just found with what we've already found.
 ///     In practice, if either the current or the new map is from an OfTypeOnly view, we
 ///     have to avoid the optimizations.
 ///     If we have a new map that is a superset of the current map, then we can just swap
 ///     the new map for the current one.
 ///     If the current map is tha super set of the new one ther's nothing to do.
 ///     (Of course, if neither has changed, then we really don't need to look)
 /// </summary>
 internal void Merge(EntityTypeBase neededRootEntityType, bool includesSubtypes, ExplicitDiscriminatorMap discriminatorMap)
 {
     // If what we've found doesn't exactly match what we are looking for we have more work to do
     if (RootEntityType != neededRootEntityType ||
         IncludesSubTypes != includesSubtypes)
     {
         if (!IncludesSubTypes ||
             !includesSubtypes)
         {
             // If either the original or the new map is from an of-type-only view we can't
             // merge, we just have to not optimize this case.
             DiscriminatorMap = null;
         }
         if (TypeSemantics.IsSubTypeOf(RootEntityType, neededRootEntityType))
         {
             // we're asking for a super type of existing type, and what we had is a proper
             // subset of it -we can replace the existing item.
             RootEntityType   = neededRootEntityType;
             DiscriminatorMap = discriminatorMap;
         }
         if (!TypeSemantics.IsSubTypeOf(neededRootEntityType, RootEntityType))
         {
             // If either the original or the new map is from an of-type-only view we can't
             // merge, we just have to not optimize this case.
             DiscriminatorMap = null;
         }
     }
 }
            public override void Visit(DbScanExpression scanExpression)
            {
                string         str         = SqlGenerator.GetTargetTSql(scanExpression.Target) + " AS " + (this._currentTableAlias = "t" + (object)this._aliasCount++);
                EntityTypeBase elementType = scanExpression.Target.ElementType;

                if (this._from.Length == 0)
                {
                    this._baseTable = (EntityType)elementType;
                    this._from.Append("FROM ");
                    this._from.Append(str);
                }
                else
                {
                    this._from.AppendLine();
                    this._from.Append("JOIN ");
                    this._from.Append(str);
                    this._from.Append(" ON ");
                    for (int index = 0; index < elementType.KeyMembers.Count; ++index)
                    {
                        if (index > 0)
                        {
                            this._from.Append(" AND ");
                        }
                        this._from.Append(this._currentTableAlias + ".");
                        this._from.Append(SqlGenerator.QuoteIdentifier(elementType.KeyMembers[index].Name));
                        this._from.Append(" = t0.");
                        this._from.Append(SqlGenerator.QuoteIdentifier(this._baseTable.KeyMembers[index].Name));
                    }
                }
            }
        /// <summary>
        /// Initializes a new ModificationFunctionMapping instance.
        /// </summary>
        /// <param name="entitySet">The entity or association set.</param>
        /// <param name="entityType">The entity or association type.</param>
        /// <param name="function">The metadata of function to which we should bind.</param>
        /// <param name="parameterBindings">Bindings for function parameters.</param>
        /// <param name="rowsAffectedParameter">The output parameter producing number of rows affected.</param>
        /// <param name="resultBindings">Bindings for the results of function evaluation</param>
        public ModificationFunctionMapping(
            EntitySetBase entitySet,
            EntityTypeBase entityType,
            EdmFunction function,
            IEnumerable <ModificationFunctionParameterBinding> parameterBindings,
            FunctionParameter rowsAffectedParameter,
            IEnumerable <ModificationFunctionResultBinding> resultBindings)
        {
            Check.NotNull(entitySet, "entitySet");
            Check.NotNull(function, "function");
            Check.NotNull(parameterBindings, "parameterBindings");

            _function = function;
            _rowsAffectedParameter = rowsAffectedParameter;

            _parameterBindings = new ReadOnlyCollection <ModificationFunctionParameterBinding>(parameterBindings.ToList());

            if (null != resultBindings)
            {
                var bindings = resultBindings.ToList();

                if (0 < bindings.Count)
                {
                    _resultBindings = new ReadOnlyCollection <ModificationFunctionResultBinding>(bindings);
                }
            }

            _collocatedAssociationSetEnds =
                new ReadOnlyCollection <AssociationSetEnd>(
                    GetReferencedAssociationSetEnds(entitySet as EntitySet, entityType as EntityType, parameterBindings)
                    .ToList());
        }
Ejemplo n.º 8
0
        /// <summary>
        ///     Creates metadata for a new row type with column names and types based on the key members of the specified Entity type
        /// </summary>
        /// <param name="entityType"> The Entity type that provides the Key members on which the column names and types of the new row type will be based </param>
        /// <returns> A new RowType info with column names and types corresponding to the Key members of the specified Entity type </returns>
        internal static RowType CreateKeyRowType(EntityTypeBase entityType)
        {
            IEnumerable <EdmMember> entityKeys = entityType.KeyMembers;

            if (null == entityKeys)
            {
                throw new ArgumentException(Strings.Cqt_Metadata_EntityTypeNullKeyMembersInvalid, "entityType");
            }

            var resultCols = new List <KeyValuePair <string, TypeUsage> >();

            //int idx = 0;
            foreach (EdmProperty keyProperty in entityKeys)
            {
                //this.CheckMember(keyProperty, "property", CommandTreeUtils.FormatIndex("entityType.KeyMembers", idx++));
                resultCols.Add(new KeyValuePair <string, TypeUsage>(keyProperty.Name, Helper.GetModelTypeUsage(keyProperty)));
            }

            if (resultCols.Count < 1)
            {
                throw new ArgumentException(Strings.Cqt_Metadata_EntityTypeEmptyKeyMembersInvalid, "entityType");
            }

            return(CreateRowType(resultCols));
        }
Ejemplo n.º 9
0
        /// <summary>
        /// Compara que los items de ambas listas sean los mismos
        /// </summary>
        /// <param name="lstNew">Lista Nueva</param>
        /// <param name="lstOld">Lista Antigua</param>
        /// <returns>True. Contienen los mismos registro | False.Tienen registros diferentes</returns>
        /// <history>
        /// [emoguel] created 15/04/2016
        /// [emoguel] Modified--Ignora registros vacios y verifica si las lista son null
        /// </history>
        public static bool IsListEquals <T>(List <T> lstNew, List <T> lstOld, string id = "")
        {
            if (lstNew != null && lstOld != null)
            {
                Type type = typeof(T);

                #region Obtener la llave primaria
                if (id == "")
                {
                    EntityTypeBase entityTypeBase = EntityHelper.GetEntityTypeBase(type);       //Obtenemos las propiedades de la entidad
                    EdmMember      edmMember      = entityTypeBase.KeyMembers.FirstOrDefault(); //Obtenemos la llave primaria
                    id = edmMember.Name;
                }

                var lst1 = lstNew.Where(p => !lstOld.Any(p1 => type.GetProperty(id).GetValue(p1) == type.GetProperty(id).GetValue(p)) && type.GetProperty(id).GetValue(p) != null).ToList();
                var lst2 = lstOld.Where(p => !lstNew.Any(p1 => type.GetProperty(id).GetValue(p1) == type.GetProperty(id).GetValue(p)) && type.GetProperty(id).GetValue(p) != null).ToList();
                #endregion

                if (lst1.Count() > 0 || lst2.Count() > 0)
                {
                    return(false);
                }
            }
            return(true);
        }
 internal StorageModificationFunctionMapping(
     EntitySetBase entitySet,
     EntityTypeBase entityType,
     EdmFunction function,
     IEnumerable <StorageModificationFunctionParameterBinding> parameterBindings,
     FunctionParameter rowsAffectedParameter,
     IEnumerable <StorageModificationFunctionResultBinding> resultBindings)
 {
     EntityUtil.CheckArgumentNull(entitySet, "entitySet");
     this.Function = EntityUtil.CheckArgumentNull(function, "function");
     this.RowsAffectedParameter = rowsAffectedParameter;
     this.ParameterBindings     = EntityUtil.CheckArgumentNull(parameterBindings, "parameterBindings")
                                  .ToList().AsReadOnly();
     if (null != resultBindings)
     {
         List <StorageModificationFunctionResultBinding> bindings = resultBindings.ToList();
         if (0 < bindings.Count)
         {
             ResultBindings = bindings.AsReadOnly();
         }
     }
     this.CollocatedAssociationSetEnds = GetReferencedAssociationSetEnds(entitySet as EntitySet, entityType as EntityType, parameterBindings)
                                         .ToList()
                                         .AsReadOnly();
 }
Ejemplo n.º 11
0
        private ModificationFunctionMapping GenerateFunctionMapping(
            ModificationOperator modificationOperator,
            EntitySetBase entitySetBase,
            EntityTypeBase entityTypeBase,
            DbDatabaseMapping databaseMapping,
            IEnumerable <EdmProperty> parameterProperties,
            IEnumerable <Tuple <ModificationFunctionMemberPath, EdmProperty> > iaFkProperties,
            IList <ColumnMappingBuilder> columnMappings,
            IEnumerable <EdmProperty> resultProperties = null,
            string functionNamePrefix = null)
        {
            bool useOriginalValues = modificationOperator == ModificationOperator.Delete;
            FunctionParameterMappingGenerator           mappingGenerator = new FunctionParameterMappingGenerator(this._providerManifest);
            List <ModificationFunctionParameterBinding> list1            = mappingGenerator.Generate(modificationOperator != ModificationOperator.Insert || !ModificationFunctionMappingGenerator.IsTableSplitDependent(entityTypeBase, databaseMapping) ? modificationOperator : ModificationOperator.Update, parameterProperties, columnMappings, (IList <EdmProperty>) new List <EdmProperty>(), useOriginalValues).Concat <ModificationFunctionParameterBinding>(mappingGenerator.Generate(iaFkProperties, useOriginalValues)).ToList <ModificationFunctionParameterBinding>();
            List <FunctionParameter> list2 = list1.Select <ModificationFunctionParameterBinding, FunctionParameter>((Func <ModificationFunctionParameterBinding, FunctionParameter>)(b => b.Parameter)).ToList <FunctionParameter>();

            ModificationFunctionMappingGenerator.UniquifyParameterNames((IList <FunctionParameter>)list2);
            EdmFunctionPayload functionPayload = new EdmFunctionPayload()
            {
                ReturnParameters = (IList <FunctionParameter>) new FunctionParameter[0],
                Parameters       = (IList <FunctionParameter>)list2.ToArray(),
                IsComposable     = new bool?(false)
            };
            EdmFunction function = databaseMapping.Database.AddFunction((functionNamePrefix ?? entityTypeBase.Name) + "_" + modificationOperator.ToString(), functionPayload);

            return(new ModificationFunctionMapping(entitySetBase, entityTypeBase, function, (IEnumerable <ModificationFunctionParameterBinding>)list1, (FunctionParameter)null, resultProperties != null ? resultProperties.Select <EdmProperty, ModificationFunctionResultBinding>((Func <EdmProperty, ModificationFunctionResultBinding>)(p => new ModificationFunctionResultBinding(columnMappings.First <ColumnMappingBuilder>((Func <ColumnMappingBuilder, bool>)(cm => cm.PropertyPath.SequenceEqual <EdmProperty>((IEnumerable <EdmProperty>) new EdmProperty[1]
            {
                p
            }))).ColumnProperty.Name, p))) : (IEnumerable <ModificationFunctionResultBinding>)null));
        }
Ejemplo n.º 12
0
        /// <summary>
        /// Returns a string of the form "a.b.c" that corresponds to the items in the path. This string can be used for tests or localization.
        /// If <paramref name="forAlias"/>=true, we return a string that is relevant for Cql aliases, else we return the exact path.
        /// </summary>
        internal string PathToString(bool?forAlias)
        {
            StringBuilder builder = new StringBuilder();

            if (forAlias != null)
            {
                if (forAlias == true)
                {
                    // For the 0th entry, we just choose the type of the element in
                    // which the first entry belongs, e.g., if Addr belongs to CCustomer,
                    // we choose CCustomer and not CPerson.
                    if (m_path.Count == 0)
                    {
                        EntityTypeBase type = m_extent.ElementType;
                        return(type.Name);
                    }
                    builder.Append(m_path[0].DeclaringType.Name); // Get CCustomer here
                }
                else
                {
                    // Append the extent name
                    builder.Append(m_extent.Name);
                }
            }

            // Just join the path using "."
            for (int i = 0; i < m_path.Count; i++)
            {
                builder.Append('.');
                builder.Append(m_path[i].Name);
            }
            return(builder.ToString());
        }
Ejemplo n.º 13
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        private static EntityTypeBase GetEntityType(RelationshipEndMember endMember)
        {
            Debug.Assert(endMember.TypeUsage.EdmType.BuiltInTypeKind == BuiltInTypeKind.RefType, "not a reference type");
            EntityTypeBase type = ((RefType)endMember.TypeUsage.EdmType).ElementType;

            return(type);
        }
        internal StorageModificationFunctionMapping(
            EntitySetBase entitySet,
            EntityTypeBase entityType,
            EdmFunction function,
            IEnumerable <StorageModificationFunctionParameterBinding> parameterBindings,
            FunctionParameter rowsAffectedParameter,
            IEnumerable <StorageModificationFunctionResultBinding> resultBindings)
        {
            DebugCheck.NotNull(entitySet);
            DebugCheck.NotNull(function);
            DebugCheck.NotNull(parameterBindings);

            _function = function;
            _rowsAffectedParameter = rowsAffectedParameter;

            ParameterBindings = parameterBindings.ToList().AsReadOnly();

            if (null != resultBindings)
            {
                var bindings = resultBindings.ToList();

                if (0 < bindings.Count)
                {
                    ResultBindings = bindings.AsReadOnly();
                }
            }

            CollocatedAssociationSetEnds =
                GetReferencedAssociationSetEnds(entitySet as EntitySet, entityType as EntityType, parameterBindings)
                .ToList()
                .AsReadOnly();
        }
Ejemplo n.º 15
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        /// <summary>
        /// Add the rel property induced by the specified relationship, (if the target
        /// end has a multiplicity of one)
        /// We only keep track of rel-properties that are "interesting"
        /// </summary>
        /// <param name="associationType">the association relationship</param>
        /// <param name="fromEnd">source end of the relationship traversal</param>
        /// <param name="toEnd">target end of the traversal</param>
        private void AddRelProperty(AssociationType associationType,
                                    AssociationEndMember fromEnd, AssociationEndMember toEnd)
        {
            if (toEnd.RelationshipMultiplicity == RelationshipMultiplicity.Many)
            {
                return;
            }
            RelProperty prop = new RelProperty(associationType, fromEnd, toEnd);

            if (_interestingRelProperties == null ||
                !_interestingRelProperties.Contains(prop))
            {
                return;
            }

            EntityTypeBase     entityType = (EntityTypeBase)((RefType)fromEnd.TypeUsage.EdmType).ElementType;
            List <RelProperty> propList;

            if (!_relPropertyMap.TryGetValue(entityType, out propList))
            {
                propList = new List <RelProperty>();
                _relPropertyMap[entityType] = propList;
            }
            propList.Add(prop);
        }
        private void AddRelProperty(
            AssociationType associationType,
            AssociationEndMember fromEnd,
            AssociationEndMember toEnd)
        {
            if (toEnd.RelationshipMultiplicity == RelationshipMultiplicity.Many)
            {
                return;
            }
            RelProperty relProperty = new RelProperty((RelationshipType)associationType, (RelationshipEndMember)fromEnd, (RelationshipEndMember)toEnd);

            if (this._interestingRelProperties == null || !this._interestingRelProperties.Contains(relProperty))
            {
                return;
            }
            EntityTypeBase     elementType = ((RefType)fromEnd.TypeUsage.EdmType).ElementType;
            List <RelProperty> relPropertyList;

            if (!this._relPropertyMap.TryGetValue(elementType, out relPropertyList))
            {
                relPropertyList = new List <RelProperty>();
                this._relPropertyMap[elementType] = relPropertyList;
            }
            relPropertyList.Add(relProperty);
        }
Ejemplo n.º 17
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        private ErrorLog GenerateQueryViewForExtentAndType(
            CqlIdentifiers identifiers,
            KeyToListMap <EntitySetBase, GeneratedView> views,
            EntitySetBase entity,
            EntityTypeBase type,
            ViewGenMode mode)
        {
            ErrorLog errorLog = new ErrorLog();

            if (this.m_config.IsViewTracing)
            {
                Helpers.StringTraceLine(string.Empty);
                Helpers.StringTraceLine(string.Empty);
                Helpers.FormatTraceLine("================= Generating {0} Query View for: {1} ===========================", mode == ViewGenMode.OfTypeViews ? (object)"OfType" : (object)"OfTypeOnly", (object)entity.Name);
                Helpers.StringTraceLine(string.Empty);
                Helpers.StringTraceLine(string.Empty);
            }
            try
            {
                ViewgenContext viewgenContext = this.CreateViewgenContext(entity, ViewTarget.QueryView, identifiers);
                this.GenerateViewsForExtentAndType((EdmType)type, viewgenContext, identifiers, views, mode);
            }
            catch (InternalMappingException ex)
            {
                errorLog.Merge(ex.ErrorLog);
            }
            return(errorLog);
        }
Ejemplo n.º 18
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 private static EntityTypeBase GetRootType(EntityTypeBase type)
 {
     while (type.BaseType != null)
     {
         type = (EntityTypeBase)type.BaseType;
     }
     return(type);
 }
Ejemplo n.º 19
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 internal DiscriminatorMapInfo(
     EntityTypeBase rootEntityType,
     bool includesSubTypes,
     ExplicitDiscriminatorMap discriminatorMap)
 {
     this.RootEntityType   = rootEntityType;
     this.IncludesSubTypes = includesSubTypes;
     this.DiscriminatorMap = discriminatorMap;
 }
Ejemplo n.º 20
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        /// <summary>
        /// Creates generated view object for the combination of the <paramref name="setMapping"/>.Set and the <paramref name="type"/>.
        /// This constructor is used for user-defined query views only.
        /// </summary>
        internal static bool TryParseUserSpecifiedView(StorageSetMapping setMapping,
                                                       EntityTypeBase type,
                                                       string eSQL,
                                                       bool includeSubtypes,
                                                       StorageMappingItemCollection mappingItemCollection,
                                                       ConfigViewGenerator config,
                                                       /*out*/ IList <EdmSchemaError> errors,
                                                       out GeneratedView generatedView)
        {
            bool failed = false;

            DbQueryCommandTree commandTree;
            DiscriminatorMap   discriminatorMap;
            Exception          parserException;

            if (!GeneratedView.TryParseView(eSQL, true, setMapping.Set, mappingItemCollection, config, out commandTree, out discriminatorMap, out parserException))
            {
                EdmSchemaError error = new EdmSchemaError(System.Data.Entity.Strings.Mapping_Invalid_QueryView2(setMapping.Set.Name, parserException.Message),
                                                          (int)StorageMappingErrorCode.InvalidQueryView, EdmSchemaErrorSeverity.Error,
                                                          setMapping.EntityContainerMapping.SourceLocation, setMapping.StartLineNumber, setMapping.StartLinePosition, parserException);
                errors.Add(error);
                failed = true;
            }
            else
            {
                Debug.Assert(commandTree != null, "commandTree not set after parsing the view");

                // Verify that all expressions appearing in the view are supported.
                foreach (var error in ViewValidator.ValidateQueryView(commandTree, setMapping, type, includeSubtypes))
                {
                    errors.Add(error);
                    failed = true;
                }

                // Verify that the result type of the query view is assignable to the element type of the entityset
                CollectionType queryResultType = (commandTree.Query.ResultType.EdmType) as CollectionType;
                if ((queryResultType == null) || (!setMapping.Set.ElementType.IsAssignableFrom(queryResultType.TypeUsage.EdmType)))
                {
                    EdmSchemaError error = new EdmSchemaError(System.Data.Entity.Strings.Mapping_Invalid_QueryView_Type(setMapping.Set.Name),
                                                              (int)StorageMappingErrorCode.InvalidQueryViewResultType, EdmSchemaErrorSeverity.Error,
                                                              setMapping.EntityContainerMapping.SourceLocation, setMapping.StartLineNumber, setMapping.StartLinePosition);
                    errors.Add(error);
                    failed = true;
                }
            }

            if (!failed)
            {
                generatedView = new GeneratedView(setMapping.Set, type, commandTree, eSQL, discriminatorMap, mappingItemCollection, config);
                return(true);
            }
            else
            {
                generatedView = null;
                return(false);
            }
        }
 internal ViewExpressionValidator(
     EntitySetBaseMapping setMapping,
     EntityTypeBase elementType,
     bool includeSubtypes)
 {
     this._setMapping      = setMapping;
     this._elementType     = elementType;
     this._includeSubtypes = includeSubtypes;
     this._errors          = new List <EdmSchemaError>();
 }
Ejemplo n.º 22
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        internal EntitySet GetEntitySet(EntityTypeBase type)
        {
            EntitySet entitySet;

            if (!this.m_entityTypeToEntitySetMap.TryGetValue(StructuredTypeInfo.GetRootType(type), out entitySet))
            {
                return((EntitySet)null);
            }
            return(entitySet);
        }
Ejemplo n.º 23
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            internal ViewExpressionValidator(EntitySetBaseMapping setMapping, EntityTypeBase elementType, bool includeSubtypes)
            {
                DebugCheck.NotNull(setMapping);
                DebugCheck.NotNull(elementType);

                _setMapping      = setMapping;
                _elementType     = elementType;
                _includeSubtypes = includeSubtypes;

                _errors = new List <EdmSchemaError>();
            }
Ejemplo n.º 24
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            internal ViewExpressionValidator(StorageSetMapping setMapping, EntityTypeBase elementType, bool includeSubtypes)
            {
                Debug.Assert(null != setMapping);
                Debug.Assert(null != elementType);

                _setMapping      = setMapping;
                _elementType     = elementType;
                _includeSubtypes = includeSubtypes;

                _errors = new List <EdmSchemaError>();
            }
Ejemplo n.º 25
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        private void GetRequiredSlotsForCaseMember(MemberPath caseMemberPath, bool[] requiredSlots)
        {
            CaseStatement caseStatement = this.m_caseStatements[caseMemberPath];
            bool          flag          = false;

            foreach (CaseStatement.WhenThen clause in caseStatement.Clauses)
            {
                clause.Condition.GetRequiredSlots(this.m_projectedSlotMap, requiredSlots);
                if (!(clause.Value is ConstantProjectedSlot))
                {
                    flag = true;
                }
            }
            EdmType edmType = caseMemberPath.EdmType;

            if (Helper.IsEntityType(edmType) || Helper.IsComplexType(edmType))
            {
                foreach (EdmType instantiatedType in caseStatement.InstantiatedTypes)
                {
                    foreach (EdmMember structuralMember in (IEnumerable)Helper.GetAllStructuralMembers(instantiatedType))
                    {
                        int slotIndex = this.GetSlotIndex(caseMemberPath, structuralMember);
                        requiredSlots[slotIndex] = true;
                    }
                }
            }
            else if (caseMemberPath.IsScalarType())
            {
                if (!flag)
                {
                    return;
                }
                int index = this.m_projectedSlotMap.IndexOf(caseMemberPath);
                requiredSlots[index] = true;
            }
            else if (Helper.IsAssociationType(edmType))
            {
                foreach (AssociationEndMember associationEndMember in ((AssociationSet)caseMemberPath.Extent).ElementType.AssociationEndMembers)
                {
                    int slotIndex = this.GetSlotIndex(caseMemberPath, (EdmMember)associationEndMember);
                    requiredSlots[slotIndex] = true;
                }
            }
            else
            {
                EntityTypeBase elementType = (edmType as RefType).ElementType;
                MetadataHelper.GetEntitySetAtEnd((AssociationSet)caseMemberPath.Extent, (AssociationEndMember)caseMemberPath.LeafEdmMember);
                foreach (EdmMember keyMember in elementType.KeyMembers)
                {
                    int slotIndex = this.GetSlotIndex(caseMemberPath, keyMember);
                    requiredSlots[slotIndex] = true;
                }
            }
        }
Ejemplo n.º 26
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        // requires: end is given
        // effects: determine the entity type for an association end member
        internal static EntityType GetEntityTypeForEnd(AssociationEndMember end)
        {
            Debug.Assert(null != end);
            Debug.Assert(end.TypeUsage.EdmType.BuiltInTypeKind == BuiltInTypeKind.RefType,
                         "type of association end member must be ref");
            RefType        refType = (RefType)end.TypeUsage.EdmType;
            EntityTypeBase endType = refType.ElementType;

            Debug.Assert(endType.BuiltInTypeKind == BuiltInTypeKind.EntityType,
                         "type of association end reference element must be entity type");
            return((EntityType)endType);
        }
Ejemplo n.º 27
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        internal DbRelatedEntityRef(RelationshipEndMember sourceEnd, RelationshipEndMember targetEnd, DbExpression targetEntityRef)
        {
            // Validate that the specified relationship ends are:
            // 1. Non-null
            // 2. From the same metadata workspace as that used by the command tree
            EntityUtil.CheckArgumentNull(sourceEnd, "sourceEnd");
            EntityUtil.CheckArgumentNull(targetEnd, "targetEnd");

            // Validate that the specified target entity ref is:
            // 1. Non-null
            EntityUtil.CheckArgumentNull(targetEntityRef, "targetEntityRef");

            // Validate that the specified source and target ends are:
            // 1. Declared by the same relationship type
            if (!object.ReferenceEquals(sourceEnd.DeclaringType, targetEnd.DeclaringType))
            {
                throw EntityUtil.Argument(System.Data.Entity.Strings.Cqt_RelatedEntityRef_TargetEndFromDifferentRelationship, "targetEnd");
            }
            // 2. Not the same end
            if (object.ReferenceEquals(sourceEnd, targetEnd))
            {
                throw EntityUtil.Argument(System.Data.Entity.Strings.Cqt_RelatedEntityRef_TargetEndSameAsSourceEnd, "targetEnd");
            }

            // Validate that the specified target end has multiplicity of at most one
            if (targetEnd.RelationshipMultiplicity != RelationshipMultiplicity.One &&
                targetEnd.RelationshipMultiplicity != RelationshipMultiplicity.ZeroOrOne)
            {
                throw EntityUtil.Argument(System.Data.Entity.Strings.Cqt_RelatedEntityRef_TargetEndMustBeAtMostOne, "targetEnd");
            }

            // Validate that the specified target entity ref actually has a ref result type
            if (!TypeSemantics.IsReferenceType(targetEntityRef.ResultType))
            {
                throw EntityUtil.Argument(System.Data.Entity.Strings.Cqt_RelatedEntityRef_TargetEntityNotRef, "targetEntityRef");
            }

            // Validate that the specified target entity is of a type that can be reached by navigating to the specified relationship end
            EntityTypeBase endType    = TypeHelpers.GetEdmType <RefType>(targetEnd.TypeUsage).ElementType;
            EntityTypeBase targetType = TypeHelpers.GetEdmType <RefType>(targetEntityRef.ResultType).ElementType;

            //
            if (!endType.EdmEquals(targetType) && !TypeSemantics.IsSubTypeOf(targetType, endType))
            {
                throw EntityUtil.Argument(System.Data.Entity.Strings.Cqt_RelatedEntityRef_TargetEntityNotCompatible, "targetEntityRef");
            }

            // Validation succeeded, initialize state
            _targetEntityRef = targetEntityRef;
            _targetEnd       = targetEnd;
            _sourceEnd       = sourceEnd;
        }
Ejemplo n.º 28
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        internal IEnumerable <PropertyRef> GetKeyPropertyRefs()
        {
            EntityTypeBase entityType = (EntityTypeBase)null;
            RefType        refType    = (RefType)null;

            entityType = !TypeHelpers.TryGetEdmType <RefType>(this.m_type, out refType) ? TypeHelpers.GetEdmType <EntityTypeBase>(this.m_type) : refType.ElementType;
            foreach (EdmMember keyMember in entityType.KeyMembers)
            {
                System.Data.Entity.Core.Query.PlanCompiler.PlanCompiler.Assert(keyMember is EdmProperty, "Non-EdmProperty key members are not supported");
                SimplePropertyRef spr = new SimplePropertyRef(keyMember);
                yield return((PropertyRef)spr);
            }
        }
Ejemplo n.º 29
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        /// <summary>
        /// Get the rel properties declared by this type (and *not* by any of its subtypes)
        /// </summary>
        /// <param name="entityType">the entity type</param>
        /// <returns>set of rel properties declared for this type</returns>
        internal IEnumerable <RelProperty> GetDeclaredOnlyRelProperties(EntityTypeBase entityType)
        {
            List <RelProperty> relProperties;

            if (_relPropertyMap.TryGetValue(entityType, out relProperties))
            {
                foreach (RelProperty p in relProperties)
                {
                    yield return(p);
                }
            }
            yield break;
        }
        /// <summary>
        /// Finds foreign key properties and adds them to the <paramref name="interestingMembers"/>.
        /// </summary>
        /// <param name="entitySetBase">Entity set <paramref name="entityType"/> relates to. Must not be null.</param>
        /// <param name="entityType">Entity type for which to find foreign key properties. Must not be null.</param>
        /// <param name="interestingMembers">The list the interesting members (if any) will be added to. Must not be null.</param>
        private void FindForeignKeyProperties(EntitySetBase entitySetBase, EntityTypeBase entityType, List <EdmMember> interestingMembers)
        {
            var entitySet = entitySetBase as EntitySet;

            if (entitySet != null && entitySet.HasForeignKeyRelationships)
            {
                // (6) Foreign keys
                // select all foreign key properties defined on the entityType and all its ancestors
                interestingMembers.AddRange(
                    MetadataHelper.GetTypeAndParentTypesOf(entityType, this.m_edmCollection, true)
                    .SelectMany(e => ((EntityType)e).Properties)
                    .Where(p => entitySet.ForeignKeyDependents.SelectMany(fk => fk.Item2.ToProperties).Contains(p)));
            }
        }
Ejemplo n.º 31
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        /// <summary>
        /// The constructor for constructing the EntitySet with a given name and an entity type
        /// </summary>
        /// <param name="name">The name of the EntitySet</param>
        /// <param name="schema">The db schema</param>
        /// <param name="table">The db table</param>
        /// <param name="definingQuery">The provider specific query that should be used to retrieve the EntitySet</param>
        /// <param name="entityType">The entity type of the entities that this entity set type contains</param>        
        /// <exception cref="System.ArgumentNullException">Thrown if the name or entityType argument is null</exception>
        internal EntitySetBase(string name, string schema, string table, string definingQuery, EntityTypeBase entityType)
        {
            EntityUtil.GenericCheckArgumentNull(entityType, "entityType");
            EntityUtil.CheckStringArgument(name, "name");
            // SQLBU 480236: catalogName, schemaName & tableName are allowed to be null, empty & non-empty

            _name = name;

            //---- name of the 'schema'
            //---- this is used by the SQL Gen utility to support generation of the correct name in the store
            _schema = schema;

            //---- name of the 'table'
            //---- this is used by the SQL Gen utility to support generation of the correct name in the store
            _table = table;

            //---- the Provider specific query to use to retrieve the EntitySet data
            DefiningQuery = definingQuery;

            ElementType = entityType;
        }