private void WriteObject( BaseEntity entity )
{
string filePath = this.GetFilePath( entity.EntityKey );
try
{
using ( FileStream file = File.Create( filePath ) )
{
formatter.Serialize( file, entity );
}
}
catch
{
File.Delete( filePath );
throw;
}
}
public void Update( BaseEntity entity )
{
if ( entity == null )
throw new ArgumentNullException( "entity" );
if ( entity.EntityKey.IsNull )
throw new ArgumentException( "Cannot update an entity that has no identifier.", "entity" );
entity.Validate();
this.Enlist();
BaseEntity entityClone = entity.Clone();
this.InternalSet( entityClone );
if ( this.redoLog != null )
{
this.redoLog.Add( new StorageOperation( StorageOperationKind.Update, entityClone ) );
}
}
public EntityKey Insert( BaseEntity entity )
{
if ( entity == null )
throw new ArgumentNullException( "entity" );
if ( !entity.EntityKey.IsNull )
throw new ArgumentException( "Cannot insert an entity that has an identifier.", "entity" );
entity.Validate();
this.Enlist();
entity.EntityKey = Storage.MakeEntityKey();
BaseEntity entityClone = entity.Clone();
this.InternalSet( entityClone );
if ( this.redoLog != null )
{
this.redoLog.Add( new StorageOperation( StorageOperationKind.Insert, entityClone ) );
}
return entity.EntityKey;
}
/// <summary>
/// Copy, into another object of the same type as the current one,
/// all cloneable members.
/// </summary>
/// <param name="clone">Target objects.</param>
/// <remarks>
/// This method is implemented automatically at post-compile time
/// in derived classes.
/// </remarks>
protected virtual void CopyTo( BaseEntity clone )
{
}
