//
// System.Data.Common.DbParameter.cs
//
// Author:
// Tim Coleman (tim@timcoleman.com)
//
// Copyright (C) Tim Coleman, 2003
//
//
// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
#if NET_2_0 || TARGET_JVM
using System.Collections;
using System.ComponentModel;
namespace System.Data.Common{
public abstract class DbParameter : MarshalByRefObject, IDbDataParameter, IDataParameter
{
#region Constructors
internal static Hashtable dbTypeMapping;
protected DbParameter ()
{
}
#endregion // Constructors
#region Properties
[Browsable (false)]
[DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
[RefreshProperties (RefreshProperties.All)]
public abstract DbType DbType { get; set; }
[DefaultValue (ParameterDirection.Input)]
[RefreshProperties (RefreshProperties.All)]
public abstract ParameterDirection Direction { get; set; }
[DefaultValue ("")]
public abstract string ParameterName { get; set; }
public abstract int Size { get; set; }
byte IDbDataParameter.Precision {
get { return 0; }
set {}
}
byte IDbDataParameter.Scale {
get { return 0; }
set {}
}
[DefaultValue (null)]
[RefreshProperties (RefreshProperties.All)]
public abstract object Value { get; set; }
[Browsable (false)]
[DesignOnly (true)]
[EditorBrowsable (EditorBrowsableState.Never)]
public abstract bool IsNullable { get; set; }
[DefaultValue ("")]
public abstract string SourceColumn { get; set; }
[RefreshProperties (RefreshProperties.All)]
[DefaultValue (false)]
[EditorBrowsable (EditorBrowsableState.Advanced)]
public abstract bool SourceColumnNullMapping { get; set; }
[DefaultValue (DataRowVersion.Current)]
public abstract DataRowVersion SourceVersion { get; set; }
#endregion // Properties
#region Methods
[EditorBrowsable (EditorBrowsableState.Advanced)]
public abstract void ResetDbType ();
internal virtual object FrameworkDbType {
get {return null;}
set {}
}
internal protected static Hashtable DbTypeMapping {
get { return dbTypeMapping;}
set { dbTypeMapping = value;}
}
// LAMESPEC: Implementors should populate the dbTypeMapping accordingly
internal virtual Type SystemType {
get {
return (Type) dbTypeMapping [DbType];
}
}
#endregion // Methods
}
}
#endif
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