/// <summary>
/// Protected constructor; the command is assumed to be a prototype
/// that will be cloned on CreateCommand, and the cloned command will be executed.
/// </summary>
protected DbCommandDefinition(DbCommand prototype)
{
EntityUtil.CheckArgumentNull(prototype, "prototype");
_prototype = prototype as ICloneable;
if (null == _prototype)
{
throw EntityUtil.CannotCloneStoreProvider();
}
}
/// <summary>
/// Internal factory method to create the default Command Definition object
/// based on a prototype command. The prototype command is cloned
/// before the protected constructor is invoked
/// </summary>
/// <param name="prototype">prototype DbCommand</param>
/// <returns>the DbCommandDefinition</returns>
internal static DbCommandDefinition CreateCommandDefinition(DbCommand prototype)
{
EntityUtil.CheckArgumentNull(prototype, "prototype");
ICloneable cloneablePrototype = prototype as ICloneable;
if (null == cloneablePrototype)
{
throw EntityUtil.CannotCloneStoreProvider();
}
DbCommand clonedPrototype = (DbCommand)(cloneablePrototype.Clone());
return(new DbCommandDefinition(clonedPrototype));
}