/// <summary>
/// Sets a parameter value.
/// </summary>
/// <param name="command">The command with the parameter.</param>
/// <param name="parameterName">The parameter name.</param>
/// <param name="value">The parameter value.</param>
public override void SetParameterValue(DbCommand command, string parameterName, object value)
{
object convertedValue = value;
ParameterTypeRegistry registry = GetParameterTypeRegistry(command.CommandText);
if (registry != null)
{
if (registry.HasRegisteredParameterType(parameterName))
{
DbType dbType = registry.GetRegisteredParameterType(parameterName);
if (DbType.Guid == dbType)
{
convertedValue = ConvertGuidToByteArray(value);
}
else if (DbType.Boolean == dbType)
{
convertedValue = ConvertBoolToShort(value);
}
}
}
base.SetParameterValue(command, parameterName, convertedValue);
}
/// <summary>
/// Gets a parameter value.
/// </summary>
/// <param name="command">The command that contains the parameter.</param>
/// <param name="name">The name of the parameter.</param>
/// <returns>The value of the parameter.</returns>
public override object GetParameterValue(DbCommand command, string name)
{
object convertedValue = base.GetParameterValue(command, name);
ParameterTypeRegistry registry = GetParameterTypeRegistry(command.CommandText);
if (registry != null)
{
if (registry.HasRegisteredParameterType(name))
{
DbType dbType = registry.GetRegisteredParameterType(name);
if (DbType.Guid == dbType)
{
convertedValue = ConvertByteArrayToGuid(convertedValue);
}
else if (DbType.Boolean == dbType)
{
convertedValue = ConvertShortToBool(convertedValue);
}
}
}
return(convertedValue);
}
/// <summary>
/// Gets the parameter type registry for the specified command.
/// </summary>
/// <param name="commandText">The command text.</param>
/// <returns>Existing or new registry</returns>
private ParameterTypeRegistry GetParameterTypeRegistry(string commandText)
{
ParameterTypeRegistry registry;
registeredParameterTypes.TryGetValue(commandText, out registry);
if (registry == null)
{
registry = new ParameterTypeRegistry();
registeredParameterTypes.Add(commandText, registry);
}
return(registry);
}
/// <summary>
/// Registers the type of the parameter in a parameter registry.
/// </summary>
/// <param name="command">The command.</param>
/// <param name="parameterName">Name of the parameter.</param>
/// <param name="dbType">Type of the parameter.</param>
private void RegisterParameterType(DbCommand command, string parameterName, DbType dbType)
{
ParameterTypeRegistry registry = GetParameterTypeRegistry(command.CommandText);
registry.RegisterParameterType(parameterName, dbType);
}