private BoolExpression CreateMemberCondition(
MemberPath path,
Constant domainValue)
{
return(FragmentQuery.CreateMemberCondition(path, domainValue, this._domainMap));
}
private static TileNamed <FragmentQuery> CreateTile(FragmentQuery query)
{
return(new TileNamed <FragmentQuery>(query));
}
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 void GenerateCaseStatements(
IEnumerable <MemberPath> members,
HashSet <FragmentQuery> outputUsedViews)
{
CellTreeNode rightDomainQuery = (CellTreeNode) new OpCellTreeNode(this._context, CellTreeOpType.Union, (CellTreeNode[])this._context.AllWrappersForExtent.Where <LeftCellWrapper>((Func <LeftCellWrapper, bool>)(w => this._usedViews.Contains(w.FragmentQuery))).Select <LeftCellWrapper, LeafCellTreeNode>((Func <LeftCellWrapper, LeafCellTreeNode>)(wrapper => new LeafCellTreeNode(this._context, wrapper))).ToArray <LeafCellTreeNode>());
foreach (MemberPath member in members)
{
List <Constant> list = this.GetDomain(member).ToList <Constant>();
CaseStatement caseStatement = new CaseStatement(member);
Tile <FragmentQuery> tile = (Tile <FragmentQuery>)null;
bool flag = list.Count != 2 || !list.Contains <Constant>(Constant.Null, Constant.EqualityComparer) || !list.Contains <Constant>(Constant.NotNull, Constant.EqualityComparer);
foreach (Constant domainValue in list)
{
if (domainValue == Constant.Undefined && this._context.ViewTarget == ViewTarget.QueryView)
{
caseStatement.AddWhenThen(BoolExpression.False, (ProjectedSlot) new ConstantProjectedSlot(Constant.Undefined));
}
else
{
FragmentQuery memberConditionQuery = this.CreateMemberConditionQuery(member, domainValue);
Tile <FragmentQuery> rewriting;
if (this.FindRewritingAndUsedViews((IEnumerable <MemberPath>)memberConditionQuery.Attributes, memberConditionQuery.Condition, outputUsedViews, out rewriting))
{
if (this._context.ViewTarget == ViewTarget.UpdateView)
{
tile = tile != null?this._qp.Union(tile, rewriting) : rewriting;
}
if (flag)
{
if (this.AddRewritingToCaseStatement(rewriting, caseStatement, member, domainValue))
{
break;
}
}
}
else if (!QueryRewriter.IsDefaultValue(domainValue, member) && !ErrorPatternMatcher.FindMappingErrors(this._context, this._domainMap, this._errorLog))
{
StringBuilder builder = new StringBuilder();
string str1 = StringUtil.FormatInvariant("{0}", (object)this._extentPath);
string str2 = this._context.ViewTarget == ViewTarget.QueryView ? Strings.ViewGen_Entities : Strings.ViewGen_Tuples;
if (this._context.ViewTarget == ViewTarget.QueryView)
{
builder.AppendLine(Strings.Viewgen_CannotGenerateQueryViewUnderNoValidation((object)str1));
}
else
{
builder.AppendLine(Strings.ViewGen_Cannot_Disambiguate_MultiConstant((object)str2, (object)str1));
}
RewritingValidator.EntityConfigurationToUserString(memberConditionQuery.Condition, builder, this._context.ViewTarget == ViewTarget.UpdateView);
this._errorLog.AddEntry(new ErrorLog.Record(ViewGenErrorCode.AmbiguousMultiConstants, builder.ToString(), (IEnumerable <LeftCellWrapper>) this._context.AllWrappersForExtent, string.Empty));
}
}
}
if (this._errorLog.Count == 0)
{
if (this._context.ViewTarget == ViewTarget.UpdateView && flag)
{
this.AddElseDefaultToCaseStatement(member, caseStatement, list, rightDomainQuery, tile);
}
if (caseStatement.Clauses.Count > 0)
{
this._caseStatements[member] = caseStatement;
}
}
}
}
private bool IsTrue(FragmentQuery query)
{
return(!this._context.LeftFragmentQP.IsSatisfiable(FragmentQuery.Create(BoolExpression.CreateNot(query.Condition))));
}
