/********************************************************
* ADO.NET 2.0 Data Provider for SQLite Version 3.X
* Written by Robert Simpson (robert@blackcastlesoft.com)
*
* Released to the public domain, use at your own risk!
********************************************************/
namespace System.Data.SQLite
{
using System;
using System.Runtime.InteropServices;
/// <summary>
/// A simple custom attribute to enable us to easily find user-defined functions in
/// the loaded assemblies and initialize them in SQLite as connections are made.
/// </summary>
[AttributeUsage(AttributeTargets.Class, Inherited = false, AllowMultiple = true)]
public sealed class SQLiteFunctionAttribute : Attribute
{
private string _name;
private int _arguments;
private FunctionType _functionType;
internal Type _instanceType;
/// <summary>
/// Default constructor, initializes the internal variables for the function.
/// </summary>
public SQLiteFunctionAttribute()
{
Name = "";
Arguments = -1;
FuncType = FunctionType.Scalar;
}
/// <summary>
/// The function's name as it will be used in SQLite command text.
/// </summary>
public string Name
{
get { return _name; }
set { _name = value; }
}
/// <summary>
/// The number of arguments this function expects. -1 if the number of arguments is variable.
/// </summary>
public int Arguments
{
get { return _arguments; }
set { _arguments = value; }
}
/// <summary>
/// The type of function this implementation will be.
/// </summary>
public FunctionType FuncType
{
get { return _functionType; }
set { _functionType = value; }
}
}
}