public static IFluentContinuation <TViewModel, TPropertyValue> BetweenValues <TViewModel, TPropertyValue>(
this IFluentOperator <TViewModel, TPropertyValue> instance,
object @from,
object to)
where TViewModel : ViewModelBase
{
var implementerInstance = (FluentImplementer <TViewModel, TPropertyValue>)instance;
implementerInstance.EnsureContextCurrentPropertyIsNotNull();
// uses parenthesis to satisfy syntax : IsNot.BetweenValues (...)
implementerInstance.AddToken(ExpressionNode.OpenParenthesis());
implementerInstance.AddToken(ExpressionNode.OpenParenthesis());
implementerInstance.AddToken(ExpressionNode.GreaterThanValue(implementerInstance.Context.CurrentProperty, @from));
implementerInstance.AddToken(ExpressionNode.Or());
implementerInstance.AddToken(ExpressionNode.EqualToValue(implementerInstance.Context.CurrentProperty, @from));
implementerInstance.AddToken(ExpressionNode.CloseParenthesis());
implementerInstance.AddToken(ExpressionNode.And());
implementerInstance.AddToken(ExpressionNode.OpenParenthesis());
implementerInstance.AddToken(ExpressionNode.LessThanValue(implementerInstance.Context.CurrentProperty, to));
implementerInstance.AddToken(ExpressionNode.Or());
implementerInstance.AddToken(ExpressionNode.EqualToValue(implementerInstance.Context.CurrentProperty, to));
implementerInstance.AddToken(ExpressionNode.CloseParenthesis());
implementerInstance.AddToken(ExpressionNode.CloseParenthesis());
return((IFluentContinuation <TViewModel, TPropertyValue>)instance);
}
public static IFluentContinuation <TViewModel, TPropertyValue> Null <TViewModel, TPropertyValue>(
this IFluentOperator <TViewModel, TPropertyValue> instance)
where TViewModel : ViewModelBase
{
var implementerInstance = (FluentImplementer <TViewModel, TPropertyValue>)instance;
implementerInstance.EnsureContextCurrentPropertyIsNotNull();
implementerInstance.AddToken(ExpressionNode.EqualToValue(implementerInstance.Context.CurrentProperty, null));
return((IFluentContinuation <TViewModel, TPropertyValue>)instance);
}
public static IFluentContinuation <TViewModel, TPropertyValue> DifferentOf <TViewModel, TPropertyValue>(
this IFluentOperator <TViewModel, TPropertyValue> instance, TPropertyValue value)
where TViewModel : ViewModelBase
{
var implementerInstance = (FluentImplementer <TViewModel, TPropertyValue>)instance;
implementerInstance.EnsureContextCurrentPropertyIsNotNull();
// different of = not equal to value
implementerInstance.AddToken(ExpressionNode.Not());
implementerInstance.AddToken(ExpressionNode.EqualToValue(implementerInstance.Context.CurrentProperty, value));
return((IFluentContinuation <TViewModel, TPropertyValue>)instance);
}
public static IFluentContinuation <TViewModel, TPropertyValue> GreaterThanOrEqualTo <TViewModel, TPropertyValue>(
this IFluentOperator <TViewModel, TPropertyValue> instance, TPropertyValue value)
where TViewModel : ViewModelBase
where TPropertyValue : IComparable
{
var implementerInstance = (FluentImplementer <TViewModel, TPropertyValue>)instance;
implementerInstance.EnsureContextCurrentPropertyIsNotNull();
implementerInstance.AddToken(ExpressionNode.OpenParenthesis());
implementerInstance.AddToken(ExpressionNode.GreaterThanValue(implementerInstance.Context.CurrentProperty, value));
implementerInstance.AddToken(ExpressionNode.Or());
implementerInstance.AddToken(ExpressionNode.EqualToValue(implementerInstance.Context.CurrentProperty, value));
implementerInstance.AddToken(ExpressionNode.CloseParenthesis());
return((IFluentContinuation <TViewModel, TPropertyValue>)instance);
}
public static IFluentContinuation <TViewModel, TPropertyValue> NullOrEmpty <TViewModel, TPropertyValue>(
this IFluentOperator <TViewModel, TPropertyValue> instance)
where TViewModel : ViewModelBase
where TPropertyValue : IComparable <string>, IEquatable <string>
{
var implementerInstance = (FluentImplementer <TViewModel, TPropertyValue>)instance;
implementerInstance.EnsureContextCurrentPropertyIsNotNull();
implementerInstance.AddToken(ExpressionNode.OpenParenthesis());
implementerInstance.AddToken(ExpressionNode.EqualToValue(implementerInstance.Context.CurrentProperty, null));
implementerInstance.AddToken(ExpressionNode.Or());
implementerInstance.AddToken(ExpressionNode.EqualToValue(implementerInstance.Context.CurrentProperty, string.Empty));
implementerInstance.AddToken(ExpressionNode.CloseParenthesis());
return((IFluentContinuation <TViewModel, TPropertyValue>)instance);
}
public static IFluentContinuation <TViewModel, TPropertyValue> Required <TViewModel, TPropertyValue>(
this IFluentOperator <TViewModel, TPropertyValue> instance)
where TViewModel : ViewModelBase
{
var implementerInstance = (FluentImplementer <TViewModel, TPropertyValue>)instance;
implementerInstance.EnsureContextCurrentPropertyIsNotNull();
// required = is neither null nor empty
implementerInstance.AddToken(ExpressionNode.Not());
implementerInstance.AddToken(ExpressionNode.OpenParenthesis());
implementerInstance.AddToken(ExpressionNode.EqualToValue(implementerInstance.Context.CurrentProperty, null));
implementerInstance.AddToken(ExpressionNode.Or());
implementerInstance.AddToken(ExpressionNode.EqualToValue(implementerInstance.Context.CurrentProperty, string.Empty));
implementerInstance.AddToken(ExpressionNode.CloseParenthesis());
return((IFluentContinuation <TViewModel, TPropertyValue>)instance);
}
