internal RecordState(RecordStateFactory recordStateFactory, CoordinatorFactory coordinatorFactory)
{
RecordStateFactory = recordStateFactory;
CoordinatorFactory = coordinatorFactory;
CurrentColumnValues = new object[RecordStateFactory.ColumnCount];
PendingColumnValues = new object[RecordStateFactory.ColumnCount];
}
internal RecordState(RecordStateFactory recordStateFactory, CoordinatorFactory coordinatorFactory)
{
this.RecordStateFactory = recordStateFactory;
this.CoordinatorFactory = coordinatorFactory;
this.CurrentColumnValues = new object[RecordStateFactory.ColumnCount];
this.PendingColumnValues = new object[RecordStateFactory.ColumnCount];
}
protected CoordinatorFactory(
int depth, int stateSlot, Func<Shaper, bool> hasData, Func<Shaper, bool> setKeys, Func<Shaper, bool> checkKeys,
CoordinatorFactory[] nestedCoordinators, RecordStateFactory[] recordStateFactories)
{
Depth = depth;
StateSlot = stateSlot;
// figure out if there are any nested coordinators
IsLeafResult = 0 == nestedCoordinators.Length;
// if there is no explicit 'has data' discriminator, it means all rows contain data for the coordinator
if (hasData == null)
{
HasData = _alwaysTrue;
}
else
{
HasData = hasData;
}
// if there is no explicit set key delegate, just return true (the value is not used anyways)
if (setKeys == null)
{
SetKeys = _alwaysTrue;
}
else
{
SetKeys = setKeys;
}
// If there are no keys, it means different things depending on whether we are a leaf
// coordinator or an inner (or 'driving') coordinator. For a leaf coordinator, it means
// that every row is a new result. For an inner coordinator, it means that there is no
// key to check. This should only occur where there is a SingleRowTable (in other words,
// all rows are elements of a single child collection).
if (checkKeys == null)
{
if (IsLeafResult)
{
CheckKeys = _alwaysFalse; // every row is a new result (the keys don't match)
}
else
{
CheckKeys = _alwaysTrue; // every row belongs to a single child collection
}
}
else
{
CheckKeys = checkKeys;
}
NestedCoordinators = new ReadOnlyCollection<CoordinatorFactory>(nestedCoordinators);
RecordStateFactories = new ReadOnlyCollection<RecordStateFactory>(recordStateFactories);
// Determines whether this coordinator can be handled by a 'simple' enumerator. See IsSimple for details.
IsSimple = IsLeafResult && null == checkKeys && null == hasData;
}
internal CoordinatorFactory Compile()
{
RecordStateFactory[] recordStateFactories;
if (null != _recordStateScratchpads)
{
recordStateFactories = new RecordStateFactory[_recordStateScratchpads.Count];
for (int i = 0; i < recordStateFactories.Length; i++)
{
recordStateFactories[i] = _recordStateScratchpads[i].Compile();
}
}
else
{
recordStateFactories = new RecordStateFactory[0];
}
CoordinatorFactory[] nestedCoordinators = new CoordinatorFactory[_nestedCoordinatorScratchpads.Count];
for (int i = 0; i < nestedCoordinators.Length; i++)
{
nestedCoordinators[i] = _nestedCoordinatorScratchpads[i].Compile();
}
// compile inline delegates
ReplacementExpressionVisitor replacementVisitor = new ReplacementExpressionVisitor(null, this._inlineDelegates);
Expression element = new SecurityBoundaryExpressionVisitor().Visit(replacementVisitor.Visit(this.Element));
// substitute expressions that have error handlers into a new expression (used
// when a more detailed exception message is needed)
replacementVisitor = new ReplacementExpressionVisitor(this._expressionWithErrorHandlingMap, this._inlineDelegates);
Expression elementWithErrorHandling = new SecurityBoundaryExpressionVisitor().Visit(replacementVisitor.Visit(this.Element));
CoordinatorFactory result = (CoordinatorFactory)Activator.CreateInstance(typeof(CoordinatorFactory <>).MakeGenericType(_elementType), new object[] {
this.Depth,
this.StateSlotNumber,
this.HasData,
this.SetKeys,
this.CheckKeys,
nestedCoordinators,
element,
elementWithErrorHandling,
this.InitializeCollection,
recordStateFactories
});
return(result);
}
internal RecordStateFactory Compile()
{
RecordStateFactory[] nestedRecordStateFactories = new RecordStateFactory[_nestedRecordStateScratchpads.Count];
for (int i = 0; i < nestedRecordStateFactories.Length; i++)
{
nestedRecordStateFactories[i] = _nestedRecordStateScratchpads[i].Compile();
}
RecordStateFactory result = (RecordStateFactory)Activator.CreateInstance(typeof(RecordStateFactory), new object[] {
this.StateSlotNumber,
this.ColumnCount,
nestedRecordStateFactories,
this.DataRecordInfo,
this.GatherData,
this.PropertyNames,
this.TypeUsages
});
return result;
}
internal RecordStateFactory Compile()
{
RecordStateFactory[] nestedRecordStateFactories = new RecordStateFactory[_nestedRecordStateScratchpads.Count];
for (int i = 0; i < nestedRecordStateFactories.Length; i++)
{
nestedRecordStateFactories[i] = _nestedRecordStateScratchpads[i].Compile();
}
RecordStateFactory result = (RecordStateFactory)Activator.CreateInstance(typeof(RecordStateFactory), new object[] {
this.StateSlotNumber,
this.ColumnCount,
nestedRecordStateFactories,
this.DataRecordInfo,
this.GatherData,
this.PropertyNames,
this.TypeUsages
});
return(result);
}
internal RecordStateFactory Compile()
{
var nestedRecordStateFactories = new RecordStateFactory[_nestedRecordStateScratchpads.Count];
for (var i = 0; i < nestedRecordStateFactories.Length; i++)
{
nestedRecordStateFactories[i] = _nestedRecordStateScratchpads[i].Compile();
}
var result = (RecordStateFactory)Activator.CreateInstance(
typeof(RecordStateFactory), new object[]
{
StateSlotNumber,
ColumnCount,
nestedRecordStateFactories,
DataRecordInfo,
GatherData,
PropertyNames,
TypeUsages
});
return result;
}
public RecordStateFactory(int stateSlotNumber, int columnCount, RecordStateFactory[] nestedRecordStateFactories, DataRecordInfo dataRecordInfo, Expression gatherData, string[] propertyNames, TypeUsage[] typeUsages)
{
this.StateSlotNumber = stateSlotNumber;
this.ColumnCount = columnCount;
this.NestedRecordStateFactories = new System.Collections.ObjectModel.ReadOnlyCollection<RecordStateFactory>(nestedRecordStateFactories);
this.DataRecordInfo = dataRecordInfo;
this.GatherData = Translator.Compile<bool>(gatherData);
this.Description = gatherData.ToString();
this.ColumnNames = new System.Collections.ObjectModel.ReadOnlyCollection<string>(propertyNames);
this.TypeUsages = new System.Collections.ObjectModel.ReadOnlyCollection<TypeUsage>(typeUsages);
this.FieldNameLookup = new FieldNameLookup(this.ColumnNames, -1);
// pre-compute the nested objects from typeUsage, for performance
bool[] isColumnNested = new bool[columnCount];
for (int ordinal = 0; ordinal < columnCount; ordinal++)
{
switch (typeUsages[ordinal].EdmType.BuiltInTypeKind)
{
case BuiltInTypeKind.EntityType:
case BuiltInTypeKind.ComplexType:
case BuiltInTypeKind.RowType:
case BuiltInTypeKind.CollectionType:
isColumnNested[ordinal] = true;
this.HasNestedColumns = true;
break;
default:
isColumnNested[ordinal] = false;
break;
}
}
this.IsColumnNested = new System.Collections.ObjectModel.ReadOnlyCollection<bool>(isColumnNested);
}
internal CoordinatorFactory Compile()
{
RecordStateFactory[] recordStateFactories;
if (null != _recordStateScratchpads)
{
recordStateFactories = new RecordStateFactory[_recordStateScratchpads.Count];
for (var i = 0; i < recordStateFactories.Length; i++)
{
recordStateFactories[i] = _recordStateScratchpads[i].Compile();
}
}
else
{
recordStateFactories = new RecordStateFactory[0];
}
var nestedCoordinators = new CoordinatorFactory[_nestedCoordinatorScratchpads.Count];
for (var i = 0; i < nestedCoordinators.Length; i++)
{
nestedCoordinators[i] = _nestedCoordinatorScratchpads[i].Compile();
}
// compile inline delegates
var replacementVisitor = new ReplacementExpressionVisitor(null, _inlineDelegates);
var element = new SecurityBoundaryExpressionVisitor().Visit(replacementVisitor.Visit(Element));
// substitute expressions that have error handlers into a new expression (used
// when a more detailed exception message is needed)
replacementVisitor = new ReplacementExpressionVisitor(_expressionWithErrorHandlingMap, _inlineDelegates);
var elementWithErrorHandling = new SecurityBoundaryExpressionVisitor().Visit(replacementVisitor.Visit(Element));
var result =
(CoordinatorFactory)Activator.CreateInstance(
typeof(CoordinatorFactory<>).MakeGenericType(_elementType), new object[]
{
Depth,
StateSlotNumber,
HasData,
SetKeys,
CheckKeys,
nestedCoordinators,
element,
elementWithErrorHandling,
InitializeCollection,
recordStateFactories
});
return result;
}
public RecordStateFactory(
int stateSlotNumber, int columnCount, RecordStateFactory[] nestedRecordStateFactories, DataRecordInfo dataRecordInfo,
Expression<Func<Shaper, bool>> gatherData, string[] propertyNames, TypeUsage[] typeUsages, bool[] isColumnNested)
{
StateSlotNumber = stateSlotNumber;
ColumnCount = columnCount;
NestedRecordStateFactories = new ReadOnlyCollection<RecordStateFactory>(nestedRecordStateFactories);
DataRecordInfo = dataRecordInfo;
GatherData = gatherData.Compile();
Description = gatherData.ToString();
ColumnNames = new ReadOnlyCollection<string>(propertyNames);
TypeUsages = new ReadOnlyCollection<TypeUsage>(typeUsages);
FieldNameLookup = new FieldNameLookup(ColumnNames, -1);
// pre-compute the nested objects from typeUsage, for performance
if (isColumnNested == null)
{
isColumnNested = new bool[columnCount];
for (var ordinal = 0; ordinal < columnCount; ordinal++)
{
switch (typeUsages[ordinal].EdmType.BuiltInTypeKind)
{
case BuiltInTypeKind.EntityType:
case BuiltInTypeKind.ComplexType:
case BuiltInTypeKind.RowType:
case BuiltInTypeKind.CollectionType:
isColumnNested[ordinal] = true;
HasNestedColumns = true;
break;
default:
isColumnNested[ordinal] = false;
break;
}
}
}
IsColumnNested = new ReadOnlyCollection<bool>(isColumnNested);
}
public RecordStateFactory(
int stateSlotNumber, int columnCount, RecordStateFactory[] nestedRecordStateFactories, DataRecordInfo dataRecordInfo,
Expression gatherData, string[] propertyNames, TypeUsage[] typeUsages)
: this(stateSlotNumber, columnCount, nestedRecordStateFactories, dataRecordInfo,
CodeGenEmitter.BuildShaperLambda<bool>(gatherData), propertyNames, typeUsages, isColumnNested: null)
{
}
