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//
// System.Data.Common.DbConnection
//
// 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.ComponentModel;
using System.Data;
#if NET_2_0 && !TARGET_JVM
using System.Transactions;
#endif
namespace System.Data.Common {
public abstract class DbConnection : Component, IDbConnection, IDisposable
{
#region Constructors
protected DbConnection ()
{
}
#endregion // Constructors
#region Properties
[RecommendedAsConfigurable (true)]
[RefreshProperties (RefreshProperties.All)]
[DefaultValue ("")]
public abstract string ConnectionString { get; set; }
public abstract string Database { get; }
public abstract string DataSource { get; }
[Browsable (false)]
public abstract string ServerVersion { get; }
[Browsable (false)]
public abstract ConnectionState State { get; }
public virtual int ConnectionTimeout {
get { return 15; }
}
#endregion // Properties
#region Methods
protected abstract DbTransaction BeginDbTransaction (IsolationLevel isolationLevel);
public DbTransaction BeginTransaction ()
{
return BeginDbTransaction (IsolationLevel.Unspecified);
}
public DbTransaction BeginTransaction (IsolationLevel isolationLevel)
{
return BeginDbTransaction (isolationLevel);
}
public abstract void ChangeDatabase (string databaseName);
public abstract void Close ();
public DbCommand CreateCommand ()
{
return CreateDbCommand ();
}
protected abstract DbCommand CreateDbCommand ();
#if NET_2_0 && !TARGET_JVM
[MonoTODO]
public virtual void EnlistTransaction (Transaction transaction)
{
throw new NotSupportedException ();
}
#endif
[MonoTODO]
public virtual DataTable GetSchema ()
{
throw new NotSupportedException ();
}
[MonoTODO]
public virtual DataTable GetSchema (string collectionName)
{
throw new NotSupportedException ();
}
[MonoTODO]
public virtual DataTable GetSchema (string collectionName, string[] restrictionValues)
{
throw new NotSupportedException ();
}
IDbTransaction IDbConnection.BeginTransaction ()
{
return BeginTransaction ();
}
IDbTransaction IDbConnection.BeginTransaction (IsolationLevel il)
{
return BeginTransaction (il);
}
IDbCommand IDbConnection.CreateCommand ()
{
return CreateCommand ();
}
public abstract void Open ();
protected virtual void OnStateChange (StateChangeEventArgs stateChanged)
{
if (StateChange != null)
StateChange (this, stateChanged);
}
#endregion // Methods
public virtual event StateChangeEventHandler StateChange;
}
}
#endif
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