public FastCollectionLazyIterator(
IFastCollection sourceCollection,
SimpleOperationTarget operationTarget,
Func <IEnumerable <FastCollectionItem <T> > > itemsBuilder)
{
_itemsBuilder = itemsBuilder;
OperationTarget = operationTarget ?? throw new ArgumentNullException(nameof(operationTarget));
SourceCollection = sourceCollection ?? throw new ArgumentNullException(nameof(sourceCollection));
}
internal FastCollectionIterator(
[NotNull] IFastCollection sourceCollection,
[NotNull] SimpleOperationTarget operationTarget,
[NotNull] IEnumerable <FastCollectionItem <T> > itemsEnumerable)
{
SourceCollection = sourceCollection;
OperationTarget = operationTarget;
ItemsEnumerable = itemsEnumerable;
}
public ComparisonFilter([NotNull] SimpleOperationTarget operationTarget, ComparisonFilterType comparisonFilterType, [NotNull] object value)
{
OperationTarget = operationTarget ?? throw new ArgumentNullException(nameof(operationTarget));
ComparisonFilterType = comparisonFilterType;
Value = value ?? throw new ArgumentNullException(nameof(value));
}
/// <summary>
/// Transforms "where" predicate to inner presentation (which is used for execution).
/// </summary>
/// <param name="expression"></param>
/// <param name="sourceOperationTarget">Lambda parameter of expression will be replaced with <see cref="OperationTargetExpression"/> containing this target</param>
/// <typeparam name="TSource"></typeparam>
/// <returns></returns>
internal IFilter ParsePredicate <TSource>([NotNull] Expression <Func <TSource, bool> > expression, SimpleOperationTarget sourceOperationTarget)
{
var t = LambdaParametersReplacer.ReplaceLambdaParameters(expression, sourceOperationTarget.Expression);
return(_filtersParser.ParseFilters(t));
}
internal void AddIndex(SimpleOperationTarget operationTarget, IIndex index)
{
_indicesCoverage.Add(operationTarget, index);
}
