public override void ModifyQueryDescription(QueryDescriptionBuilder queryDescription, Type resultType)
{
var relationTypeExpr = FirstParameter as ConstantExpression;
var parentIdsExpr = ExcludeParentIds as ConstantExpression;
if (relationTypeExpr == null || parentIdsExpr == null)
return;
var relationType = (relationTypeExpr.Value as RelationType) ?? FixedRelationTypes.DefaultRelationType;
var parentIds = (parentIdsExpr.Value as IEnumerable<HiveId>) ?? Enumerable.Empty<HiveId>();
if (parentIds.Any())
{
queryDescription.From.ExcludeParentIds = parentIds;
}
}
public override void ModifyQueryDescription(QueryDescriptionBuilder queryDescription, Type resultType)
{
var constant = FirstParameter as ConstantExpression;
queryDescription.From.RevisionStatusType = (RevisionStatusType)(constant.Value);
}
/// <summary>
/// Visits the <paramref name="queryModel"/> and generates a <see cref="QueryDescription"/>.
/// </summary>
/// <param name="queryModel">The query model.</param>
/// <returns></returns>
/// <remarks></remarks>
public QueryDescription VisitAndGenerateQueryDescription(Remotion.Linq.QueryModel queryModel)
{
// Reset description builder
_queryDescription = new QueryDescriptionBuilder();
VisitQueryModel(queryModel);
// If we haven't found any result operators then add one just saying sequence
if (!_queryDescription.ResultFilters.Any())
_queryDescription.AddResultFilter(GetResultType(queryModel), ResultFilterType.Sequence, -1);
return _queryDescription;
}
public override void ModifyQueryDescription(QueryDescriptionBuilder queryDescription, Type resultType)
{
var constant = FirstParameter as ConstantExpression;
//queryDescription.From.RequiredEntityIds = (IEnumerable<HiveId>)(constant.Value);
}
/// <summary>
/// Visits the <paramref name="queryModel"/> and generates a <see cref="QueryDescription"/>.
/// </summary>
/// <param name="queryModel">The query model.</param>
/// <returns></returns>
/// <remarks></remarks>
public QueryDescription VisitAndGenerateQueryDescription(Remotion.Linq.QueryModel queryModel)
{
// Reset description builder
_queryDescription = new QueryDescriptionBuilder();
VisitQueryModel(queryModel);
return _queryDescription;
}
public override void ModifyQueryDescription(QueryDescriptionBuilder queryDescription, Type resultType)
{
var pageNumberExpr = FirstParameter as ConstantExpression;
var pageSizeExpr = PageSize as ConstantExpression;
if (pageNumberExpr == null || pageSizeExpr == null)
return;
int? pageNumber = pageNumberExpr.Value as int?;
int? pageSize = pageSizeExpr.Value as int?;
if (pageNumber.HasValue && pageSize.HasValue)
{
queryDescription.AddSkipResultFilter(resultType, pageSize.Value * (pageNumber.Value - 1));
queryDescription.AddTakeResultFilter(resultType, pageSize.Value);
}
}
