/// <summary> /// Constructs a <see cref="PathSelectItem"/> to indicate that a specific path is selected. /// </summary> /// <param name="selectedPath">The selected path.</param> /// <param name="navigationSource">The navigation source for this select item.</param> /// <param name="selectAndExpand">This sub select and sub expand for this select item.</param> /// <param name="filterOption">A filter clause for this select (can be null).</param> /// <param name="orderByOption">An Orderby clause for this select (can be null).</param> /// <param name="topOption">A top clause for this select (can be null).</param> /// <param name="skipOption">A skip clause for this select (can be null).</param> /// <param name="countOption">A count clause for this select (can be null).</param> /// <param name="searchOption">A search clause for this select (can be null).</param> /// <param name="computeOption">A compute clause for this expand (can be null).</param> /// <exception cref="ArgumentNullException">Throws if the input selectedPath is null.</exception> public PathSelectItem(ODataSelectPath selectedPath, IEdmNavigationSource navigationSource, SelectExpandClause selectAndExpand, FilterClause filterOption, OrderByClause orderByOption, long?topOption, long?skipOption, bool?countOption, SearchClause searchOption, ComputeClause computeOption) { ExceptionUtils.CheckArgumentNotNull(selectedPath, "selectedPath"); SelectedPath = selectedPath; NavigationSource = navigationSource; SelectAndExpand = selectAndExpand; FilterOption = filterOption; OrderByOption = orderByOption; TopOption = topOption; SkipOption = skipOption; CountOption = countOption; SearchOption = searchOption; ComputeOption = computeOption; }
/// <summary> /// Translate an ODataSelectPath into an ODataExpandPath /// Depending on the constructor of ODataExpandPath to validate that we aren't adding any /// segments that are illegal for an expand. /// </summary> /// <param name="path">the ODataSelectPath to translate</param> /// <returns>A new ODataExpand path with the same segments as the select path.</returns> public static ODataExpandPath ToExpandPath(this ODataSelectPath path) { return(new ODataExpandPath(path)); }
/// <summary> /// Constructs a <see cref="PathSelectItem"/> to indicate that a specific path is selected. /// </summary> /// <param name="selectedPath">The selected path.</param> public PathSelectItem(ODataSelectPath selectedPath) : this(selectedPath, null, null, null, null, null, null, null, null, null) { }
private void ProcessTokenAsPath(NonSystemToken tokenIn) { Debug.Assert(tokenIn != null, "tokenIn != null"); List <ODataPathSegment> pathSoFar = new List <ODataPathSegment>(); IEdmStructuredType currentLevelType = this.edmType; // first, walk through all type segments in a row, converting them from tokens into segments. if (tokenIn.IsNamespaceOrContainerQualified() && !UriParserHelper.IsAnnotation(tokenIn.Identifier)) { PathSegmentToken firstNonTypeToken; pathSoFar.AddRange(SelectExpandPathBinder.FollowTypeSegments(tokenIn, this.model, this.maxDepth, this.resolver, ref currentLevelType, out firstNonTypeToken)); Debug.Assert(firstNonTypeToken != null, "Did not get last token."); tokenIn = firstNonTypeToken as NonSystemToken; if (tokenIn == null) { throw new ODataException(ODataErrorStrings.SelectPropertyVisitor_SystemTokenInSelect(firstNonTypeToken.Identifier)); } } // next, create a segment for the first non-type segment in the path. ODataPathSegment lastSegment = SelectPathSegmentTokenBinder.ConvertNonTypeTokenToSegment(tokenIn, this.model, currentLevelType, resolver, this.state); // next, create an ODataPath and add the segments to it. if (lastSegment != null) { pathSoFar.Add(lastSegment); // try create a complex type property path. while (true) { // no need to go on if the current property is not of complex type or collection of complex type, // unless the segment is a primitive type cast or a property on an open complex property. currentLevelType = lastSegment.EdmType as IEdmStructuredType; IEdmCollectionType collectionType = lastSegment.EdmType as IEdmCollectionType; IEdmPrimitiveType primitiveType = lastSegment.EdmType as IEdmPrimitiveType; DynamicPathSegment dynamicPath = lastSegment as DynamicPathSegment; if ((currentLevelType == null || currentLevelType.TypeKind != EdmTypeKind.Complex) && (collectionType == null || collectionType.ElementType.TypeKind() != EdmTypeKind.Complex) && (primitiveType == null || primitiveType.TypeKind != EdmTypeKind.Primitive) && (dynamicPath == null || tokenIn.NextToken == null)) { break; } NonSystemToken nextToken = tokenIn.NextToken as NonSystemToken; if (nextToken == null) { break; } if (UriParserHelper.IsAnnotation(nextToken.Identifier)) { lastSegment = SelectPathSegmentTokenBinder.ConvertNonTypeTokenToSegment(nextToken, this.model, currentLevelType, resolver, null); } else if (primitiveType == null && dynamicPath == null) { // This means last segment a collection of complex type, // current segment can only be type cast and cannot be property name. if (currentLevelType == null) { currentLevelType = collectionType.ElementType.Definition as IEdmStructuredType; } // If there is no collection type in the path yet, will try to bind property for the next token // first try bind the segment as property. lastSegment = SelectPathSegmentTokenBinder.ConvertNonTypeTokenToSegment(nextToken, this.model, currentLevelType, resolver, null); } else { // determine whether we are looking at a type cast or a dynamic path segment. EdmPrimitiveTypeKind nextTypeKind = EdmCoreModel.Instance.GetPrimitiveTypeKind(nextToken.Identifier); IEdmPrimitiveType castType = EdmCoreModel.Instance.GetPrimitiveType(nextTypeKind); if (castType != null) { lastSegment = new TypeSegment(castType, castType, null); } else if (dynamicPath != null) { lastSegment = new DynamicPathSegment(nextToken.Identifier); } else { throw new ODataException(ODataErrorStrings.SelectBinder_MultiLevelPathInSelect); } } // then try bind the segment as type cast. if (lastSegment == null) { IEdmStructuredType typeFromNextToken = UriEdmHelpers.FindTypeFromModel(this.model, nextToken.Identifier, this.resolver) as IEdmStructuredType; if (typeFromNextToken.IsOrInheritsFrom(currentLevelType)) { lastSegment = new TypeSegment(typeFromNextToken, /*entitySet*/ null); } } // type cast failed too. if (lastSegment == null) { break; } // try move to and add next path segment. tokenIn = nextToken; pathSoFar.Add(lastSegment); } } ODataSelectPath selectedPath = new ODataSelectPath(pathSoFar); var selectionItem = new PathSelectItem(selectedPath); // non-navigation cases do not allow further segments in $select. if (tokenIn.NextToken != null) { throw new ODataException(ODataErrorStrings.SelectBinder_MultiLevelPathInSelect); } // if the selected item is a nav prop, then see if its already there before we add it. NavigationPropertySegment trailingNavPropSegment = selectionItem.SelectedPath.LastSegment as NavigationPropertySegment; if (trailingNavPropSegment != null) { if (this.expandClauseToDecorate.SelectedItems.Any(x => x is PathSelectItem && ((PathSelectItem)x).SelectedPath.Equals(selectedPath))) { return; } } this.expandClauseToDecorate.AddToSelectedItems(selectionItem); }