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Umbraco-CMS/components/SQLCE4Umbraco/SqlCEHelper.cs

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/************************************************************************************
*
* Umbraco Data Layer
* MIT Licensed work
* <EFBFBD>2008 Ruben Verborgh
*
***********************************************************************************/
using System;
using System.Data;
using System.Data.SqlServerCe;
using System.Xml;
using System.Diagnostics;
using umbraco.DataLayer;
using umbraco.DataLayer.SqlHelpers.SqlServer;
namespace SqlCE4Umbraco
{
/// <summary>
/// Sql Helper for an SQL Server database.
/// </summary>
public class SqlCEHelper : SqlHelper<SqlCeParameter>
{
/// <summary>
/// Initializes a new instance of the <see cref="SqlCEHelper"/> class.
/// </summary>
/// <param name="connectionString">The connection string.</param>
public SqlCEHelper(string connectionString) : base(connectionString)
{
m_Utility = new SqlCEUtility(this);
}
/// <summary>
/// Creates a new parameter for use with this specific implementation of ISqlHelper.
/// </summary>
/// <param name="parameterName">Name of the parameter.</param>
/// <param name="value">Value of the parameter.</param>
/// <returns>A new parameter of the correct type.</returns>
/// <remarks>Abstract factory pattern</remarks>
public override IParameter CreateParameter(string parameterName, object value)
{
return new SqlCEParameter(parameterName, value);
}
/// <summary>
/// Executes a command that returns a single value.
/// </summary>
/// <param name="commandText">The command text.</param>
/// <param name="parameters">The parameters.</param>
/// <returns>The return value of the command.</returns>
protected override object ExecuteScalar(string commandText, SqlCeParameter[] parameters)
{
#if DEBUG && DebugDataLayer
// Log Query Execution
Trace.TraceInformation(GetType().Name + " SQL ExecuteScalar: " + commandText);
#endif
return SqlCeApplicationBlock.ExecuteScalar(ConnectionString, CommandType.Text, commandText, parameters);
}
/// <summary>
/// Executes a command and returns the number of rows affected.
/// </summary>
/// <param name="commandText">The command text.</param>
/// <param name="parameters">The parameters.</param>
/// <returns>
/// The number of rows affected by the command.
/// </returns>
protected override int ExecuteNonQuery(string commandText, SqlCeParameter[] parameters)
{
#if DEBUG && DebugDataLayer
// Log Query Execution
Trace.TraceInformation(GetType().Name + " SQL ExecuteNonQuery: " + commandText);
#endif
return SqlCeApplicationBlock.ExecuteNonQuery(ConnectionString, CommandType.Text, commandText, parameters);
}
/// <summary>
/// Executes a command and returns a records reader containing the results.
/// </summary>
/// <param name="commandText">The command text.</param>
/// <param name="parameters">The parameters.</param>
/// <returns>
/// A data reader containing the results of the command.
/// </returns>
protected override IRecordsReader ExecuteReader(string commandText, SqlCeParameter[] parameters)
{
#if DEBUG && DebugDataLayer
// Log Query Execution
Trace.TraceInformation(GetType().Name + " SQL ExecuteReader: " + commandText);
#endif
return new SqlCeDataReaderHelper(SqlCeApplicationBlock.ExecuteReader(ConnectionString, CommandType.Text,
commandText, parameters));
}
}
}