420 lines
10 KiB
C#
420 lines
10 KiB
C#
#region MIT license
|
|
//
|
|
// MIT license
|
|
//
|
|
// Copyright (c) 2009 Novell, Inc.
|
|
//
|
|
// 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.
|
|
//
|
|
#endregion
|
|
|
|
using System;
|
|
using System.Collections;
|
|
using System.Collections.Generic;
|
|
using System.Data;
|
|
using System.Data.Common;
|
|
using System.Data.Linq;
|
|
using System.Linq;
|
|
|
|
namespace DbLinq.Null {
|
|
|
|
[System.ComponentModel.DesignerCategory("Code")]
|
|
class NullConnection : DbConnection
|
|
{
|
|
public NullConnection ()
|
|
{
|
|
ConnectionString = "";
|
|
}
|
|
|
|
public override string ConnectionString {get; set;}
|
|
public override string Database {get {return "NullDatabase";}}
|
|
public override string DataSource {get {return "NullDataSource";}}
|
|
public override string ServerVersion {get {return "0.0";}}
|
|
public override ConnectionState State {get {return ConnectionState.Closed;}}
|
|
|
|
public override void ChangeDatabase (string databaseName)
|
|
{
|
|
throw new NotSupportedException ();
|
|
}
|
|
|
|
public override void Close ()
|
|
{
|
|
}
|
|
|
|
public override void Open ()
|
|
{
|
|
}
|
|
|
|
protected override DbTransaction BeginDbTransaction (IsolationLevel level)
|
|
{
|
|
throw new NotSupportedException ();
|
|
}
|
|
|
|
protected override DbCommand CreateDbCommand ()
|
|
{
|
|
return new NullCommand ();
|
|
}
|
|
}
|
|
|
|
class NullParameter : DbParameter
|
|
{
|
|
public override DbType DbType {get; set;}
|
|
public override ParameterDirection Direction {get; set;}
|
|
public override bool IsNullable {get; set;}
|
|
public override string ParameterName {get; set;}
|
|
public override int Size {get; set;}
|
|
public override string SourceColumn {get; set;}
|
|
public override bool SourceColumnNullMapping {get; set;}
|
|
public override DataRowVersion SourceVersion {get; set;}
|
|
public override object Value {get; set;}
|
|
|
|
public override void ResetDbType ()
|
|
{
|
|
throw new NotSupportedException ();
|
|
}
|
|
}
|
|
|
|
class DbParameterCollection<TParameter> : DbParameterCollection
|
|
where TParameter : DbParameter
|
|
{
|
|
List<TParameter> parameters = new List<TParameter> ();
|
|
|
|
public DbParameterCollection ()
|
|
{
|
|
}
|
|
|
|
public override int Count {get {return parameters.Count;}}
|
|
public override bool IsFixedSize {get {return false;}}
|
|
public override bool IsReadOnly {get {return false;}}
|
|
public override bool IsSynchronized {get {return false;}}
|
|
public override object SyncRoot {get {return parameters;}}
|
|
|
|
public override int Add (object value)
|
|
{
|
|
if (!(value is TParameter))
|
|
throw new ArgumentException ("wrong type", "value");
|
|
parameters.Add ((TParameter) value);
|
|
return parameters.Count-1;
|
|
}
|
|
|
|
public override void AddRange (Array values)
|
|
{
|
|
foreach (TParameter p in values)
|
|
Add (p);
|
|
}
|
|
|
|
public override void Clear ()
|
|
{
|
|
parameters.Clear ();
|
|
}
|
|
|
|
public override bool Contains (object value)
|
|
{
|
|
return parameters.Contains ((TParameter) value);
|
|
}
|
|
|
|
public override bool Contains (string value)
|
|
{
|
|
return parameters.Any (p => p.ParameterName == value);
|
|
}
|
|
|
|
public override void CopyTo (Array array, int index)
|
|
{
|
|
((ICollection) parameters).CopyTo (array, index);
|
|
}
|
|
|
|
public override IEnumerator GetEnumerator ()
|
|
{
|
|
return parameters.GetEnumerator ();
|
|
}
|
|
|
|
public override int IndexOf (object value)
|
|
{
|
|
return parameters.IndexOf ((TParameter) value);
|
|
}
|
|
|
|
public override int IndexOf (string value)
|
|
{
|
|
for (int i = 0; i < parameters.Count; ++i)
|
|
if (parameters [i].ParameterName == value)
|
|
return i;
|
|
return -1;
|
|
}
|
|
|
|
public override void Insert (int index, object value)
|
|
{
|
|
parameters.Insert (index, (TParameter) value);
|
|
}
|
|
|
|
public override void Remove (object value)
|
|
{
|
|
parameters.Remove ((TParameter) value);
|
|
}
|
|
|
|
public override void RemoveAt (int index)
|
|
{
|
|
parameters.RemoveAt (index);
|
|
}
|
|
|
|
public override void RemoveAt (string value)
|
|
{
|
|
int idx = IndexOf (value);
|
|
if (idx >= 0)
|
|
parameters.RemoveAt (idx);
|
|
}
|
|
|
|
protected override DbParameter GetParameter (int index)
|
|
{
|
|
return parameters [index];
|
|
}
|
|
|
|
protected override DbParameter GetParameter (string value)
|
|
{
|
|
return parameters.Where (p => p.ParameterName == value)
|
|
.FirstOrDefault ();
|
|
}
|
|
|
|
protected override void SetParameter (int index, DbParameter value)
|
|
{
|
|
parameters [index] = (TParameter) value;
|
|
}
|
|
|
|
protected override void SetParameter (string index, DbParameter value)
|
|
{
|
|
parameters [IndexOf (value)] = (TParameter) value;
|
|
}
|
|
}
|
|
|
|
class NullCommand : DbCommand
|
|
{
|
|
DbParameterCollection<NullParameter> parameters = new DbParameterCollection<NullParameter> ();
|
|
|
|
public NullCommand ()
|
|
{
|
|
}
|
|
|
|
public override string CommandText { get; set; }
|
|
public override int CommandTimeout { get; set; }
|
|
public override CommandType CommandType { get; set; }
|
|
public override bool DesignTimeVisible { get; set; }
|
|
public override UpdateRowSource UpdatedRowSource { get; set; }
|
|
|
|
protected override DbConnection DbConnection { get; set; }
|
|
protected override DbParameterCollection DbParameterCollection {get {return parameters;}}
|
|
protected override DbTransaction DbTransaction { get; set; }
|
|
|
|
public override void Cancel ()
|
|
{
|
|
}
|
|
|
|
public override int ExecuteNonQuery ()
|
|
{
|
|
throw new NotSupportedException ();
|
|
}
|
|
|
|
public override object ExecuteScalar ()
|
|
{
|
|
throw new NotSupportedException ();
|
|
}
|
|
|
|
public override void Prepare ()
|
|
{
|
|
}
|
|
|
|
protected override DbParameter CreateDbParameter ()
|
|
{
|
|
return new NullParameter ();
|
|
}
|
|
|
|
protected override DbDataReader ExecuteDbDataReader (CommandBehavior behavior)
|
|
{
|
|
throw new NotSupportedException ();
|
|
}
|
|
}
|
|
|
|
class NullDataReader : DbDataReader
|
|
{
|
|
public override void Close()
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override int Depth
|
|
{
|
|
get { throw new NotImplementedException(); }
|
|
}
|
|
|
|
public override int FieldCount
|
|
{
|
|
get { throw new NotImplementedException(); }
|
|
}
|
|
|
|
public override bool GetBoolean(int ordinal)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override byte GetByte(int ordinal)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override long GetBytes(int ordinal, long dataOffset, byte[] buffer, int bufferOffset, int length)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override char GetChar(int ordinal)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override long GetChars(int ordinal, long dataOffset, char[] buffer, int bufferOffset, int length)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override string GetDataTypeName(int ordinal)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override DateTime GetDateTime(int ordinal)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override decimal GetDecimal(int ordinal)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override double GetDouble(int ordinal)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override IEnumerator GetEnumerator()
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override Type GetFieldType(int ordinal)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override float GetFloat(int ordinal)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override Guid GetGuid(int ordinal)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override short GetInt16(int ordinal)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override int GetInt32(int ordinal)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override long GetInt64(int ordinal)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override string GetName(int ordinal)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override int GetOrdinal(string name)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override DataTable GetSchemaTable()
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override string GetString(int ordinal)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override object GetValue(int ordinal)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override int GetValues(object[] values)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override bool HasRows
|
|
{
|
|
get { throw new NotImplementedException(); }
|
|
}
|
|
|
|
public override bool IsClosed
|
|
{
|
|
get { throw new NotImplementedException(); }
|
|
}
|
|
|
|
public override bool IsDBNull(int ordinal)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override bool NextResult()
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override bool Read()
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override int RecordsAffected
|
|
{
|
|
get { throw new NotImplementedException(); }
|
|
}
|
|
|
|
public override object this[string name]
|
|
{
|
|
get { throw new NotImplementedException(); }
|
|
}
|
|
|
|
public override object this[int ordinal]
|
|
{
|
|
get { throw new NotImplementedException(); }
|
|
}
|
|
}
|
|
}
|
|
|