wasCSharpSQLite – Rev 1
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//
// Community.CsharpSqlite.SQLiteClient.SqliteDataAdapter.cs
//
// Represents a set of data commands and a database connection that are used
// to fill the DataSet and update the data source.
//
// Author(s): Everaldo Canuto <everaldo_canuto@yahoo.com.br>
//
// Copyright (C) 2004 Everaldo Canuto
//
// 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.
//
using System;
using System.Data;
using System.Data.Common;
using System.Collections;
using System.Text;
namespace Community.CsharpSqlite.SQLiteClient
{
/// <summary>
/// Represents a set of data commands and a database connection that are used
/// to fill the <see cref="DataSet">DataSet</see> and update the data source.
/// </summary>
public class SqliteDataAdapter : DbDataAdapter
{
#region Public Events
/// <summary>
/// Occurs during <see cref="DbDataAdapter.Update">Update</see> after a
/// command is executed against the data source. The attempt to update
/// is made, so the event fires.
/// </summary>
public event SqliteRowUpdatedEventHandler RowUpdated;
/// <summary>
/// Occurs during <see cref="DbDataAdapter.Update">Update</see> before a
/// command is executed against the data source. The attempt to update
/// is made, so the event fires.
/// </summary>
public event SqliteRowUpdatingEventHandler RowUpdating;
#endregion
#region Contructors
/// <summary>
/// Initializes a new instance of the <see cref="SqliteDataAdapter">SqliteDataAdapter</see> class.
/// </summary>
public SqliteDataAdapter()
{
}
/// <summary>
/// Initializes a new instance of the <see cref="SqliteDataAdapter">SqliteDataAdapter</see> class
/// with the specified SqliteCommand as the SelectCommand property.
/// </summary>
/// <param name="selectCommand"></param>
public SqliteDataAdapter(DbCommand selectCommand)
{
SelectCommand = selectCommand;
}
/// <summary>
/// Initializes a new instance of the <see cref="SqliteDataAdapter">SqliteDataAdapter</see> class
/// with a SelectCommand and a SqliteConnection object.
/// </summary>
/// <param name="selectCommandText"></param>
/// <param name="connection"></param>
public SqliteDataAdapter(string selectCommandText, SqliteConnection connection)
{
DbCommand cmd = connection.CreateCommand();
cmd.CommandText = selectCommandText;
SelectCommand = cmd;
}
/// <summary>
/// Initializes a new instance of the <see cref="SqliteDataAdapter">SqliteDataAdapter</see> class
/// with a SelectCommand and a connection string.
/// </summary>
/// <param name="selectCommandText"></param>
/// <param name="connectionString"></param>
public SqliteDataAdapter(string selectCommandText, string connectionString) : this(selectCommandText ,new SqliteConnection(connectionString))
{
}
#endregion
#region Protected Methods
/// <summary>
/// Initializes a new instance of the <see cref="RowUpdatedEventArgs">RowUpdatedEventArgs</see> class.
/// </summary>
/// <param name="dataRow">The DataRow used to update the data source.</param>
/// <param name="command">The IDbCommand executed during the Update.</param>
/// <param name="statementType">Whether the command is an UPDATE, INSERT, DELETE, or SELECT statement.</param>
/// <param name="tableMapping">A DataTableMapping object.</param>
/// <returns></returns>
protected override RowUpdatedEventArgs CreateRowUpdatedEvent(DataRow dataRow, IDbCommand command, StatementType statementType, DataTableMapping tableMapping)
{
return new SqliteRowUpdatedEventArgs (dataRow, command, statementType, tableMapping);
}
/// <summary>
///
/// </summary>
/// <param name="dataRow">The DataRow used to update the data source.</param>
/// <param name="command">The IDbCommand executed during the Update.</param>
/// <param name="statementType">Whether the command is an UPDATE, INSERT, DELETE, or SELECT statement.</param>
/// <param name="tableMapping">A DataTableMapping object.</param>
/// <returns></returns>
protected override RowUpdatingEventArgs CreateRowUpdatingEvent(DataRow dataRow, IDbCommand command, StatementType statementType, DataTableMapping tableMapping)
{
return new SqliteRowUpdatingEventArgs(dataRow, command, statementType, tableMapping);
}
/// <summary>
/// Raises the RowUpdated event of a Sqlite data provider.
/// </summary>
/// <param name="args">A RowUpdatedEventArgs that contains the event data.</param>
protected override void OnRowUpdating (RowUpdatingEventArgs args)
{
if (RowUpdating != null)
RowUpdating(this, args);
}
/// <summary>
/// Raises the RowUpdating event of Sqlite data provider.
/// </summary>
/// <param name="args">An RowUpdatingEventArgs that contains the event data.</param>
protected override void OnRowUpdated (RowUpdatedEventArgs args)
{
if (RowUpdated != null)
RowUpdated(this, args);
}
#endregion
}
}