public abstract Expression Resolve(
ParameterExpression inputParameter, Expression expressionToBeResolved,
ClauseGenerationContext clauseGenerationContext);
protected abstract void ApplyNodeSpecificSemantics(QueryModel queryModel,
ClauseGenerationContext clauseGenerationContext);
public Expression GetResolvedPredicate(ClauseGenerationContext clauseGenerationContext)
{
return(_cachedPredicate.GetOrCreate(r =>
r.GetResolvedExpression(Predicate.Body, Predicate.Parameters[0], clauseGenerationContext)));
}
protected override ResultOperatorBase CreateResultOperator(ClauseGenerationContext clauseGenerationContext)
{
return(new DefaultIfEmptyResultOperator(OptionalDefaultValue));
}
protected abstract ResultOperatorBase CreateResultOperator(ClauseGenerationContext clauseGenerationContext);
protected override ResultOperatorBase CreateResultOperator(ClauseGenerationContext clauseGenerationContext)
{
return(new AverageResultOperator());
}
public QueryModel Apply(QueryModel queryModel, ClauseGenerationContext clauseGenerationContext)
{
ArgumentUtility.CheckNotNull("queryModel", queryModel);
return(_selectExpressionNode.Apply(queryModel, clauseGenerationContext));
}
public override Expression Resolve(ParameterExpression inputParameter, Expression expressionToBeResolved,
ClauseGenerationContext clauseGenerationContext)
{
throw CreateResolveNotSupportedException();
}
protected override ResultOperatorBase CreateResultOperator(ClauseGenerationContext clauseGenerationContext)
{
return(new AggregateFromSeedResultOperator(Seed, GetResolvedFunc(clauseGenerationContext),
OptionalResultSelector));
}
public Expression GetResolvedInnerKeySelector(ClauseGenerationContext clauseGenerationContext)
{
return(_cachedInnerKeySelector.GetOrCreate(
r => QuerySourceExpressionNodeUtility.ReplaceParameterWithReference(
this, InnerKeySelector.Parameters[0], InnerKeySelector.Body, clauseGenerationContext)));
}
public Expression GetResolvedOuterKeySelector(ClauseGenerationContext clauseGenerationContext)
{
return(_cachedOuterKeySelector.GetOrCreate(
r => r.GetResolvedExpression(OuterKeySelector.Body, OuterKeySelector.Parameters[0],
clauseGenerationContext)));
}