/// <summary> /// Binds a an end path token into a PropertyAccessToken, OpenPropertyToken, or FunctionCallToken. /// </summary> /// <param name="endPathToken">The property access token to bind.</param> /// <returns>A Query node representing this endpath token, bound to metadata.</returns> internal QueryNode BindEndPath(EndPathToken endPathToken) { ExceptionUtils.CheckArgumentNotNull(endPathToken, "EndPathToken"); ExceptionUtils.CheckArgumentStringNotNullOrEmpty(endPathToken.Identifier, "EndPathToken.Identifier"); // Set the parent (get the parent type, so you can check whether the Identifier inside EndPathToken really is legit offshoot of the parent type) QueryNode parent = this.DetermineParentNode(endPathToken); QueryNode boundFunction; SingleValueNode singleValueParent = parent as SingleValueNode; if (singleValueParent == null) { if (functionCallBinder.TryBindEndPathAsFunctionCall(endPathToken, parent, state, out boundFunction)) { return(boundFunction); } // Collection with any or all expression is already supported and handled separately. // Add support of collection with $count segment. CollectionNode colNode = parent as CollectionNode; if (colNode != null && endPathToken.Identifier.Equals(UriQueryConstants.CountSegment)) { // create a collection count node for collection node property. return(new CountNode(colNode)); } throw new ODataException(ODataErrorStrings.MetadataBinder_PropertyAccessSourceNotSingleValue(endPathToken.Identifier)); } // Now that we have the parent type, can find its corresponding EDM type IEdmStructuredTypeReference structuredParentType = singleValueParent.TypeReference == null ? null : singleValueParent.TypeReference.AsStructuredOrNull(); IEdmProperty property = structuredParentType == null ? null : this.Resolver.ResolveProperty(structuredParentType.StructuredDefinition(), endPathToken.Identifier); if (property != null) { return(GeneratePropertyAccessQueryNode(singleValueParent, property)); } if (functionCallBinder.TryBindEndPathAsFunctionCall(endPathToken, singleValueParent, state, out boundFunction)) { return(boundFunction); } return(GeneratePropertyAccessQueryForOpenType(endPathToken, singleValueParent)); }
/// <summary> /// Binds a an end path token into a PropertyAccessToken, OpenPropertyToken, or FunctionCallToken. /// </summary> /// <param name="endPathToken">The property access token to bind.</param> /// <returns>A Query node representing this endpath token, bound to metadata.</returns> internal QueryNode BindEndPath(EndPathToken endPathToken) { ExceptionUtils.CheckArgumentNotNull(endPathToken, "EndPathToken"); ExceptionUtils.CheckArgumentStringNotNullOrEmpty(endPathToken.Identifier, "EndPathToken.Identifier"); // Set the parent (get the parent type, so you can check whether the Identifier inside EndPathToken really is legit offshoot of the parent type) QueryNode parent = this.DetermineParentNode(endPathToken); QueryNode boundFunction; SingleValueNode singleValueParent = parent as SingleValueNode; if (singleValueParent == null) { if (functionCallBinder.TryBindEndPathAsFunctionCall(endPathToken, parent, state, out boundFunction)) { return(boundFunction); } throw new ODataException(ODataErrorStrings.MetadataBinder_PropertyAccessSourceNotSingleValue(endPathToken.Identifier)); } // Now that we have the parent type, can find its corresponding EDM type IEdmStructuredTypeReference structuredParentType = singleValueParent.TypeReference == null ? null : singleValueParent.TypeReference.AsStructuredOrNull(); IEdmProperty property = structuredParentType == null ? null : this.Resolver.ResolveProperty(structuredParentType.StructuredDefinition(), endPathToken.Identifier); if (property != null) { return(GeneratePropertyAccessQueryNode(singleValueParent, property)); } if (functionCallBinder.TryBindEndPathAsFunctionCall(endPathToken, singleValueParent, state, out boundFunction)) { return(boundFunction); } return(GeneratePropertyAccessQueryForOpenType(endPathToken, singleValueParent)); }
/// <summary> /// Binds a <see cref="InnerPathToken"/>. /// This includes more than just navigations - it includes complex property access and primitive collections. /// </summary> /// <param name="segmentToken">The segment token to bind.</param> /// <returns>The bound node.</returns> internal QueryNode BindInnerPathSegment(InnerPathToken segmentToken) { FunctionCallBinder functionCallBinder = new FunctionCallBinder(this.bindMethod, state); // First we get the parent node QueryNode parent = this.DetermineParentNode(segmentToken, state); Debug.Assert(parent != null, "parent should never be null"); SingleValueNode singleValueParent = parent as SingleValueNode; if (singleValueParent == null) { QueryNode boundFunction; if (functionCallBinder.TryBindInnerPathAsFunctionCall(segmentToken, parent, out boundFunction)) { return(boundFunction); } throw new ODataException(ODataErrorStrings.MetadataBinder_PropertyAccessSourceNotSingleValue(segmentToken.Identifier)); } // Using the parent and name of this token, we try to get the IEdmProperty it represents IEdmProperty property = BindProperty(singleValueParent.TypeReference, segmentToken.Identifier, this.Resolver); if (property == null) { QueryNode boundFunction; if (functionCallBinder.TryBindInnerPathAsFunctionCall(segmentToken, parent, out boundFunction)) { return(boundFunction); } if (singleValueParent.TypeReference != null && !singleValueParent.TypeReference.Definition.IsOpenType()) { throw new ODataException( ODataErrorStrings.MetadataBinder_PropertyNotDeclared( parent.GetEdmTypeReference().FullName(), segmentToken.Identifier)); } return(new SingleValueOpenPropertyAccessNode(singleValueParent, segmentToken.Identifier)); } if (property.Type.IsODataComplexTypeKind()) { return(new SingleValuePropertyAccessNode(singleValueParent, property)); } // Note - this means nonentity collection (primitive or complex) if (property.Type.IsNonEntityCollectionType()) { return(new CollectionPropertyAccessNode(singleValueParent, property)); } IEdmNavigationProperty navigationProperty = property as IEdmNavigationProperty; if (navigationProperty == null) { throw new ODataException(ODataErrorStrings.MetadataBinder_IllegalSegmentType(property.Name)); } SingleEntityNode parentEntity = EnsureParentIsEntityForNavProp(singleValueParent); return(GetNavigationNode(navigationProperty, parentEntity, segmentToken.NamedValues, state, new KeyBinder(this.bindMethod))); }