internal FragmentQuery GetDomainQuery(
IEnumerable <FragmentQuery> fragmentQueries,
EdmType generatedType)
{
if (this._context.ViewTarget != ViewTarget.QueryView)
{
return(FragmentQuery.Create((IEnumerable <MemberPath>) this._keyAttributes, BoolExpression.CreateOr(fragmentQueries.Select <FragmentQuery, BoolExpression>((Func <FragmentQuery, BoolExpression>)(fragmentQuery => fragmentQuery.Condition)).ToArray <BoolExpression>())));
}
BoolExpression literal;
if (generatedType == null)
{
literal = BoolExpression.True;
}
else
{
IEnumerable <EdmType> types;
if (this._typesGenerationMode == ViewGenMode.OfTypeOnlyViews)
{
types = (IEnumerable <EdmType>) new HashSet <EdmType>()
{
this._generatedType
}
}
;
else
{
types = MetadataHelper.GetTypeAndSubtypesOf(generatedType, (ItemCollection)this._context.EdmItemCollection, false);
}
literal = BoolExpression.CreateLiteral((BoolLiteral) new TypeRestriction(new MemberProjectedSlot(this._extentPath), new Domain(QueryRewriter.GetTypeConstants(types), this._domainMap.GetDomain(this._extentPath))), this._domainMap);
}
return(FragmentQuery.Create((IEnumerable <MemberPath>) this._keyAttributes, literal));
}
internal static FragmentQuery CreateMemberConditionQuery(
MemberPath currentPath,
Constant domainValue,
IEnumerable <MemberPath> keyAttributes,
MemberDomainMap domainMap)
{
BoolExpression memberCondition = FragmentQuery.CreateMemberCondition(currentPath, domainValue, domainMap);
IEnumerable <MemberPath> attrs = keyAttributes;
if (domainValue is NegatedConstant)
{
attrs = keyAttributes.Concat <MemberPath>((IEnumerable <MemberPath>) new MemberPath[1]
{
currentPath
});
}
return(FragmentQuery.Create(attrs, memberCondition));
}
private bool CoverAttribute(
MemberPath projectedAttribute,
FragmentQuery view,
Dictionary <MemberPath, FragmentQuery> attributeConditions)
{
FragmentQuery fragmentQuery;
if (!attributeConditions.TryGetValue(projectedAttribute, out fragmentQuery))
{
return(false);
}
FragmentQuery query = FragmentQuery.Create(BoolExpression.CreateAndNot(fragmentQuery.Condition, view.Condition));
if (this._qp.IsEmpty((Tile <FragmentQuery>)QueryRewriter.CreateTile(query)))
{
attributeConditions.Remove(projectedAttribute);
}
else
{
attributeConditions[projectedAttribute] = query;
}
return(true);
}
private bool RewriteQuery(
Tile <FragmentQuery> toFill,
Tile <FragmentQuery> toAvoid,
out Tile <FragmentQuery> rewriting,
out IEnumerable <MemberPath> notCoveredAttributes,
bool isRelaxed)
{
notCoveredAttributes = (IEnumerable <MemberPath>) new List <MemberPath>();
FragmentQuery query1 = toFill.Query;
if (this._context.TryGetCachedRewriting(query1, out rewriting))
{
return(true);
}
IEnumerable <Tile <FragmentQuery> > relevantViews = this.GetRelevantViews(query1);
FragmentQuery query2 = query1;
if (!this.RewriteQueryCached((Tile <FragmentQuery>)QueryRewriter.CreateTile(FragmentQuery.Create(query1.Condition)), toAvoid, relevantViews, out rewriting))
{
if (!isRelaxed)
{
return(false);
}
query1 = FragmentQuery.Create((IEnumerable <MemberPath>)query1.Attributes, BoolExpression.CreateAndNot(query1.Condition, rewriting.Query.Condition));
if (this._qp.IsEmpty((Tile <FragmentQuery>)QueryRewriter.CreateTile(query1)) || !this.RewriteQueryCached((Tile <FragmentQuery>)QueryRewriter.CreateTile(FragmentQuery.Create(query1.Condition)), toAvoid, relevantViews, out rewriting))
{
return(false);
}
}
if (query1.Attributes.Count == 0)
{
return(true);
}
Dictionary <MemberPath, FragmentQuery> attributeConditions = new Dictionary <MemberPath, FragmentQuery>();
foreach (MemberPath nonKey in QueryRewriter.NonKeys((IEnumerable <MemberPath>)query1.Attributes))
{
attributeConditions[nonKey] = query1;
}
if (attributeConditions.Count == 0 || this.CoverAttributes(ref rewriting, attributeConditions))
{
this.GetUsedViewsAndRemoveTrueSurrogate(ref rewriting);
this._context.SetCachedRewriting(query2, rewriting);
return(true);
}
if (isRelaxed)
{
foreach (MemberPath nonKey in QueryRewriter.NonKeys((IEnumerable <MemberPath>)query1.Attributes))
{
FragmentQuery fragmentQuery;
attributeConditions[nonKey] = !attributeConditions.TryGetValue(nonKey, out fragmentQuery) ? query1 : FragmentQuery.Create(BoolExpression.CreateAndNot(query1.Condition, fragmentQuery.Condition));
}
if (this.CoverAttributes(ref rewriting, attributeConditions))
{
this.GetUsedViewsAndRemoveTrueSurrogate(ref rewriting);
this._context.SetCachedRewriting(query2, rewriting);
return(true);
}
}
notCoveredAttributes = (IEnumerable <MemberPath>)attributeConditions.Keys;
return(false);
}
private bool FindRewriting(
IEnumerable <MemberPath> attributes,
BoolExpression whereClause,
out Tile <FragmentQuery> rewriting,
out IEnumerable <MemberPath> notCoveredAttributes)
{
Tile <FragmentQuery> tile1 = (Tile <FragmentQuery>)QueryRewriter.CreateTile(FragmentQuery.Create(attributes, whereClause));
Tile <FragmentQuery> tile2 = (Tile <FragmentQuery>)QueryRewriter.CreateTile(FragmentQuery.Create((IEnumerable <MemberPath>) this._keyAttributes, BoolExpression.CreateNot(whereClause)));
bool isRelaxed = this._context.ViewTarget == ViewTarget.UpdateView;
return(this.RewriteQuery(tile1, tile2, out rewriting, out notCoveredAttributes, isRelaxed));
}
internal void EnsureExtentIsFullyMapped(HashSet <FragmentQuery> outputUsedViews)
{
if (this._context.ViewTarget == ViewTarget.QueryView && this._config.IsValidationEnabled)
{
this.EnsureConfigurationIsFullyMapped(this._extentPath, BoolExpression.True, outputUsedViews, this._errorLog);
if (this._errorLog.Count <= 0)
{
return;
}
ExceptionHelpers.ThrowMappingException(this._errorLog, this._config);
}
else
{
if (this._config.IsValidationEnabled)
{
foreach (MemberPath member in this._context.MemberMaps.ProjectedSlotMap.Members)
{
Constant defaultConstant;
if (member.IsScalarType() && !member.IsPartOfKey && (!this._domainMap.IsConditionMember(member) && !Domain.TryGetDefaultValueForMemberPath(member, out defaultConstant)))
{
HashSet <MemberPath> memberPathSet = new HashSet <MemberPath>((IEnumerable <MemberPath>) this._keyAttributes);
memberPathSet.Add(member);
foreach (LeftCellWrapper leftCellWrapper in this._context.AllWrappersForExtent)
{
FragmentQuery fragmentQuery = leftCellWrapper.FragmentQuery;
Tile <FragmentQuery> rewriting;
IEnumerable <MemberPath> notCoveredAttributes;
if (!this.RewriteQuery((Tile <FragmentQuery>)QueryRewriter.CreateTile(new FragmentQuery(fragmentQuery.Description, fragmentQuery.FromVariable, (IEnumerable <MemberPath>)memberPathSet, fragmentQuery.Condition)), (Tile <FragmentQuery>)QueryRewriter.CreateTile(FragmentQuery.Create((IEnumerable <MemberPath>) this._keyAttributes, BoolExpression.CreateNot(fragmentQuery.Condition))), out rewriting, out notCoveredAttributes, false))
{
Domain.GetDefaultValueForMemberPath(member, (IEnumerable <LeftCellWrapper>) new LeftCellWrapper[1]
{
leftCellWrapper
}, this._config);
}
}
}
}
}
foreach (Tile <FragmentQuery> view in this._views)
{
Tile <FragmentQuery> toFill = view;
Tile <FragmentQuery> tile = (Tile <FragmentQuery>)QueryRewriter.CreateTile(FragmentQuery.Create((IEnumerable <MemberPath>) this._keyAttributes, BoolExpression.CreateNot(toFill.Query.Condition)));
Tile <FragmentQuery> rewriting;
IEnumerable <MemberPath> notCoveredAttributes;
if (!this.RewriteQuery(toFill, tile, out rewriting, out notCoveredAttributes, true))
{
LeftCellWrapper leftCellWrapper = this._context.AllWrappersForExtent.First <LeftCellWrapper>((Func <LeftCellWrapper, bool>)(lcr => lcr.FragmentQuery.Equals((object)toFill.Query)));
this._errorLog.AddEntry(new ErrorLog.Record(ViewGenErrorCode.ImpopssibleCondition, Strings.Viewgen_QV_RewritingNotFound((object)leftCellWrapper.RightExtent.ToString()), leftCellWrapper.Cells, string.Empty));
}
else
{
outputUsedViews.UnionWith(rewriting.GetNamedQueries());
}
}
}
}
private bool IsTrue(FragmentQuery query)
{
return(!this._context.LeftFragmentQP.IsSatisfiable(FragmentQuery.Create(BoolExpression.CreateNot(query.Condition))));
}