// Constructors
// ReSharper disable MemberCanBeProtected.Global
public SubQuery(ProjectionExpression projectionExpression, TranslatedQuery query, Parameter <Tuple> parameter, Tuple tuple, ItemMaterializationContext context)
// ReSharper restore MemberCanBeProtected.Global
{
this.provider = context.Session.Query.Provider;
var tupleParameterBindings = new Dictionary <Parameter <Tuple>, Tuple>(projectionExpression.TupleParameterBindings);
var currentTranslatedQuery = query;
var outerParameterContext = context.ParameterContext;
var parameterContext = new ParameterContext(outerParameterContext);
// Gather Parameter<Tuple> values from current ParameterScope for future use.
outerParameterContext.SetValue(parameter, tuple);
foreach (var tupleParameter in currentTranslatedQuery.TupleParameters)
{
var value = outerParameterContext.GetValue(tupleParameter);
tupleParameterBindings[tupleParameter] = value;
parameterContext.SetValue(tupleParameter, value);
}
this.projectionExpression = new ProjectionExpression(
projectionExpression.Type,
projectionExpression.ItemProjector,
tupleParameterBindings,
projectionExpression.ResultAccessMethod);
var translatedQuery = new TranslatedQuery(
query.DataSource,
query.Materializer,
query.ResultAccessMethod,
tupleParameterBindings,
EnumerableUtils <Parameter <Tuple> > .Empty);
delayedQuery = new DelayedQuery <TElement>(context.Session, translatedQuery, parameterContext);
context.Session.RegisterUserDefinedDelayedQuery(delayedQuery.Task);
context.MaterializationContext.MaterializationQueue.Enqueue(MaterializeSelf);
}
// Constructors
// ReSharper disable MemberCanBeProtected.Global
public SubQuery(ProjectionExpression projectionExpression, TranslatedQuery query, Parameter <Tuple> parameter, Tuple tuple, ItemMaterializationContext context)
// ReSharper restore MemberCanBeProtected.Global
{
this.provider = context.Session.Query.Provider;
var tupleParameterBindings = new Dictionary <Parameter <Tuple>, Tuple>(projectionExpression.TupleParameterBindings);
var currentTranslatedQuery = ((TranslatedQuery <IEnumerable <TElement> >)query);
// Gather Parameter<Tuple> values from current ParameterScope for future use.
parameter.Value = tuple;
foreach (var tupleParameter in currentTranslatedQuery.TupleParameters)
{
var value = tupleParameter.Value;
tupleParameterBindings[tupleParameter] = value;
}
var parameterContext = new ParameterContext();
using (parameterContext.Activate())
foreach (var tupleParameter in currentTranslatedQuery.TupleParameters)
{
tupleParameter.Value = tupleParameter.Value;
}
this.projectionExpression = new ProjectionExpression(
projectionExpression.Type,
projectionExpression.ItemProjector,
tupleParameterBindings,
projectionExpression.ResultType);
var translatedQuery = new TranslatedQuery <IEnumerable <TElement> >(
query.DataSource,
(Func <IEnumerable <Tuple>, Session, Dictionary <Parameter <Tuple>, Tuple>, ParameterContext, IEnumerable <TElement> >)query.UntypedMaterializer,
tupleParameterBindings,
EnumerableUtils <Parameter <Tuple> > .Empty);
delayedSequence = new DelayedSequence <TElement>(context.Session, translatedQuery, parameterContext);
context.Session.RegisterUserDefinedDelayedQuery(delayedSequence.Task);
context.MaterializationContext.MaterializationQueue.Enqueue(MaterializeSelf);
}
public Grouping(ProjectionExpression projectionExpression, TranslatedQuery translatedQuery, Parameter <Tuple> parameter, Tuple tuple, TKey key, ItemMaterializationContext context)
: base(projectionExpression, translatedQuery, parameter, tuple, context)
{
Key = key;
}