예제 #1
0
        private IQueryable GetQuery()
        {
            ODataPath path = this.GetPath();

            RestierQueryBuilder builder = new RestierQueryBuilder(this.Api, path);
            IQueryable queryable = builder.BuildQuery();
            this.shouldReturnCount = builder.IsCountPathSegmentPresent;
            this.shouldWriteRawValue = builder.IsValuePathSegmentPresent;
            if (queryable == null)
            {
                throw new HttpResponseException(
                    this.Request.CreateErrorResponse(
                        HttpStatusCode.NotFound,
                        Resources.ResourceNotFound));
            }

            if (this.shouldReturnCount || this.shouldWriteRawValue)
            {
                // Query options don't apply to $count or $value.
                return queryable;
            }

            ODataQueryContext queryContext =
                new ODataQueryContext(this.Request.ODataProperties().Model, queryable.ElementType, path);
            ODataQueryOptions queryOptions = new ODataQueryOptions(queryContext, this.Request);

            // TODO GitHubIssue#41 : Ensure stable ordering for query
            ODataQuerySettings settings = new ODataQuerySettings()
            {
                HandleNullPropagation = HandleNullPropagationOption.False,
                EnsureStableOrdering = true,
                EnableConstantParameterization = false,
                PageSize = null,  // no support for server enforced PageSize, yet
            };

            queryable = queryOptions.ApplyTo(queryable, settings);

            return queryable;
        }
예제 #2
0
        private IQueryable GetQuery()
        {
            ODataPath path = this.GetPath();

            RestierQueryBuilder builder = new RestierQueryBuilder(this.Api, path);
            IQueryable queryable = builder.BuildQuery();
            this.shouldReturnCount = builder.IsCountPathSegmentPresent;
            this.shouldWriteRawValue = builder.IsValuePathSegmentPresent;
            if (queryable == null)
            {
                throw new HttpResponseException(
                    this.Request.CreateErrorResponse(
                        HttpStatusCode.NotFound,
                        Resources.ResourceNotFound));
            }

            if (this.shouldReturnCount || this.shouldWriteRawValue)
            {
                // Query options don't apply to $count or $value.
                return queryable;
            }

            ODataQueryContext queryContext =
                new ODataQueryContext(this.Request.ODataProperties().Model, queryable.ElementType, path);
            ODataQueryOptions queryOptions = new ODataQueryOptions(queryContext, this.Request);
            if (queryOptions.Count != null)
            {
                this.includeTotalCount = queryOptions.Count.Value;
            }

            // TODO GitHubIssue#41 : Ensure stable ordering for query
            ODataQuerySettings settings = new ODataQuerySettings
            {
                HandleNullPropagation = HandleNullPropagationOption.False,
                PageSize = null,  // no support for server enforced PageSize, yet
            };

            // Entity count can NOT be evaluated at this point of time because the source
            // expression is just a placeholder to be replaced by the expression sourcer.
            queryable = queryOptions.ApplyTo(queryable, settings, AllowedQueryOptions.Count);

            return queryable;
        }