public override Func <TwitterStatus, IReadOnlyCollection <long> > GetSetValueProvider()
{
var lsp = LeftValue.GetSetValueProvider();
var rsp = RightValue.GetSetValueProvider();
return(_ => lsp(_).Except(rsp(_)).ToList());
}
public override Func <TwitterStatus, bool> GetBooleanValueProvider()
{
if (CompareAsString())
{
var haystack = LeftValue.GetStringValueProvider();
var needle = RightValue.GetStringValueProvider();
return(t =>
{
var h = haystack(t);
var n = needle(t);
if (h == null || n == null)
{
return false;
}
return h.IndexOf(n, GetStringComparison()) >= 0;
});
}
var lsp = LeftValue.GetSetValueProvider();
if (RightValue.SupportedTypes.Contains(FilterExpressionType.Numeric))
{
var rnp = RightValue.GetNumericValueProvider();
return(_ => lsp(_).Contains(rnp(_)));
}
var rsp = RightValue.GetSetValueProvider();
return(_ =>
{
var ls = lsp(_);
return rsp(_).Any(ls.Contains);
});
}
public override Func <TwitterStatus, bool> GetBooleanValueProvider()
{
var rsp = RightValue.GetSetValueProvider();
if (LeftValue.SupportedTypes.Contains(FilterExpressionType.Numeric))
{
var lnp = LeftValue.GetNumericValueProvider();
return(_ => rsp(_).Contains(lnp(_)));
}
var lsp = LeftValue.GetSetValueProvider();
return(_ =>
{
var rs = rsp(_);
return lsp(_).Any(rs.Contains);
});
}