public override Func <TwitterStatus, long> GetNumericValueProvider()
{
var lnp = LeftValue.GetNumericValueProvider();
var rnp = RightValue.GetNumericValueProvider();
return(_ => lnp(_) - rnp(_));
}
public sealed override Func <TwitterStatus, bool> GetBooleanValueProvider()
{
var l = LeftValue.GetNumericValueProvider();
var r = RightValue.GetNumericValueProvider();
return(BuildEvaluator(l, r));
}
public override Func <TwitterStatus, long> GetNumericValueProvider()
{
var lnp = LeftValue.GetNumericValueProvider();
var rnp = RightValue.GetNumericValueProvider();
return(_ =>
{
var divider = rnp(_);
return divider == 0 ? 0 : lnp(_) / divider;
});
}
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);
});
}
public override Func <TwitterStatus, bool> GetBooleanValueProvider()
{
switch (this.GetArgumentIntersectTypes())
{
case FilterExpressionType.Boolean:
var lbp = LeftValue.GetBooleanValueProvider();
var rbp = RightValue.GetBooleanValueProvider();
return(_ => lbp(_) == rbp(_));
case FilterExpressionType.Numeric:
var lnp = LeftValue.GetNumericValueProvider();
var rnp = RightValue.GetNumericValueProvider();
return(_ => lnp(_) == rnp(_));
case FilterExpressionType.String:
var lsp = LeftValue.GetStringValueProvider();
var rsp = RightValue.GetStringValueProvider();
return(_ => String.Equals(lsp(_), rsp(_), GetStringComparison()));
default:
throw new InvalidOperationException("Invalid code path.");
}
}
