public IDisposable CreateScope()
{
var currentState = translator.state;
var newState = new TranslatorState(currentState);
translator.state = newState;
return(new Disposable(_ => translator.state = currentState));
}
public IDisposable CreateLambdaScope(LambdaExpression le)
{
var currentState = translator.state;
var newState = new TranslatorState(currentState);
newState.OuterParameters = newState.OuterParameters.Concat(newState.Parameters).ToArray();
newState.Parameters = Enumerable.ToArray(le.Parameters);
newState.CurrentLambda = le;
newState.IncludeAlgorithm = IncludeAlgorithm;
newState.IsTailMethod = IsTailMethod;
translator.state = newState;
return(new Disposable(_ => translator.state = currentState));
}
private TranslatorState(TranslatorState currentState)
{
translator = currentState.translator;
Parameters = currentState.Parameters;
OuterParameters = currentState.OuterParameters;
CalculateExpressions = currentState.CalculateExpressions;
BuildingProjection = currentState.BuildingProjection;
CurrentLambda = currentState.CurrentLambda;
JoinLocalCollectionEntity = currentState.JoinLocalCollectionEntity;
AllowCalculableColumnCombine = currentState.AllowCalculableColumnCombine;
IncludeAlgorithm = currentState.IncludeAlgorithm;
IsTailMethod = currentState.IsTailMethod;
GroupingKey = currentState.GroupingKey;
RequestCalculateExpressionsOnce = currentState.RequestCalculateExpressionsOnce;
RequestCalculateExpressions = currentState.RequestCalculateExpressions;
TypeOfEntityStoredInKey = currentState.TypeOfEntityStoredInKey;
ShouldOmmitConvertToObject = currentState.ShouldOmmitConvertToObject;
}
// Constructors
/// <exception cref="InvalidOperationException">There is no current <see cref="Session"/>.</exception>
internal Translator(TranslatorContext context)
{
this.context = context;
state = new TranslatorState(this);
}
public TranslatorScope(Translator translator, TranslatorState previousState)
{
this.translator = translator;
this.previousState = previousState;
}
// Constructors
/// <exception cref="InvalidOperationException">There is no current <see cref="Session"/>.</exception>
internal Translator(TranslatorContext context, CompiledQueryProcessingScope compiledQueryScope)
{
this.compiledQueryScope = compiledQueryScope;
this.context = context;
state = new TranslatorState(this);
}
