/// <summary>
/// The Query.
/// </summary>
/// <param name="figures">The figures<see cref="IFigures"/>.</param>
/// <param name="stage">The stage<see cref="int"/>.</param>
/// <param name="filter">The filter<see cref="FilterTerms"/>.</param>
/// <param name="sort">The sort<see cref="SortTerms"/>.</param>
/// <param name="saveonly">The saveonly<see cref="bool"/>.</param>
/// <param name="clearonend">The clearonend<see cref="bool"/>.</param>
/// <returns>The <see cref="IFigures"/>.</returns>
public static IFigures Query(this IFigures figures, int stage = 1, FilterTerms filter = null, SortTerms sort = null, bool saveonly = false, bool clearonend = false)
{
FigureFilter Filter = figures.Filter;
FigureSort Sort = figures.Sort;
if (filter != null)
{
Filter.Terms.Renew(filter.ToArray());
}
if (sort != null)
{
Sort.Terms.Renew(sort.ToArray());
}
if (!saveonly)
{
IFigures result = ResolveQuery(figures, Filter, Sort, stage);
if (clearonend)
{
figures.Filter.Terms.Clear();
figures.Filter.Evaluator = null;
figures.View.QueryFormula = null;
}
return(result);
}
return(null);
}
/// <summary>
/// The GetExpression.
/// </summary>
/// <param name="stage">The stage<see cref="int"/>.</param>
/// <returns>The <see cref="Expression{Func{IFigure, bool}}"/>.</returns>
public Expression <Func <IFigure, bool> > GetExpression(int stage = 1)
{
termsReducer.Clear();
termsReducer.Add(Reducer.AsEnumerable().Concat(Terms.AsEnumerable()).ToArray());
expression.Conditions = termsReducer;
termsBuffer = termsReducer;
return(expression.CreateExpression(stage));
}
/// <summary>
/// The Query.
/// </summary>
/// <param name="stage">The stage<see cref="int"/>.</param>
/// <returns>The <see cref="IFigure[]"/>.</returns>
public IFigure[] Query(int stage = 1)
{
termsReducer.Clear();
termsReducer.Add(Reducer.AsEnumerable().Concat(Terms.AsEnumerable()).ToArray());
expression.Conditions = termsReducer;
termsBuffer = termsReducer;
return(figures.AsEnumerable().AsQueryable().Where(expression.CreateExpression(stage).Compile()).ToArray());
}
/// <summary>
/// Initializes a new instance of the <see cref="FigureFilter"/> class.
/// </summary>
/// <param name="figures">The figures<see cref="IFigures"/>.</param>
public FigureFilter(IFigures figures)
{
this.figures = figures;
expression = new QueryExpression();
Reducer = new FilterTerms(figures);
Terms = new FilterTerms(figures);
termsBuffer = expression.Conditions;
termsReducer = new FilterTerms(figures);
}
/// <summary>
/// The Clone.
/// </summary>
/// <returns>The <see cref="FilterTerms"/>.</returns>
public FilterTerms Clone()
{
FilterTerms ft = new FilterTerms();
foreach (FilterTerm t in this)
{
FilterTerm _t = new FilterTerm(t.RubricName, t.Operand, t.Value, t.Logic, t.Stage);
ft.Add(_t);
}
return(ft);
}
public QueryExpression()
{
Conditions = new FilterTerms();
nfi.NumberDecimalSeparator = ".";
Stage = 1;
}
