/// <summary>
/// Determines the changes that are transferred to the persistence layer.
/// </summary>
/// <returns>ChangeSet.</returns>
private ChangeSet GetChangeSet()
{
var updatedEntries = this.ChangeTracker.Entries()
.Where(e => e.State == EntityState.Modified && e.Entity != null);
var updateChanges = new List <IChange>();
foreach (var dbEntityEntry in updatedEntries)
{
IList <PropertyChangeInfo> changes = new List <PropertyChangeInfo>();
foreach (var propertyName in dbEntityEntry.CurrentValues.Properties.Select(p => p.Name))
{
var property = dbEntityEntry.Property(propertyName);
if (property.Metadata.IsShadowProperty())
{
// BUG: Workaround for resetting IsModified of Discriminator property
property.IsModified = false;
}
if (property.IsModified)
{
changes.Add(new PropertyChangeInfo(propertyName, property.CurrentValue));
}
}
updateChanges.Add(Change.CreateUpdateChange(dbEntityEntry.Entity, changes));
}
var addChanges = this.ChangeTracker.Entries()
.Where(e => e.State == EntityState.Added && e.Entity != null)
.Select(e => Change.CreateAddedChange(e.Entity));
var deleteChanges = this.ChangeTracker.Entries()
.Where(e => e.State == EntityState.Deleted && e.Entity != null)
.Select(n => Change.CreateDeleteChange(n.Entity));
var allChanges = new List <IChange>(addChanges);
allChanges.AddRange(deleteChanges);
allChanges.AddRange(updateChanges);
return(new ChangeSet(typeof(TContext), allChanges));
}
/// <summary>
/// Determins the changes that are transfered to the persistence layer.
/// </summary>
/// <returns>ChangeSet.</returns>
private ChangeSet GetChangeSet()
{
var updatedEntries = this.ChangeTracker.Entries().Where(e => e.State == EntityState.Modified && e.Entity != null);
var updateChanges = new List<IChange>();
foreach (var dbEntityEntry in updatedEntries)
{
IList<PropertyChangeInfo> changes = new List<PropertyChangeInfo>();
foreach (var propertyName in dbEntityEntry.CurrentValues.PropertyNames)
{
var property = dbEntityEntry.Property(propertyName);
if (property.IsModified)
{
changes.Add(new PropertyChangeInfo(propertyName, property.CurrentValue));
}
}
updateChanges.Add(Change.CreateUpdateChange(dbEntityEntry.Entity, changes));
}
var addChanges = this.ChangeTracker.Entries().Where(e => e.State == EntityState.Added && e.Entity != null).Select(e => Change.CreateAddedChange(e.Entity));
var deleteChanges = this.ChangeTracker.Entries().Where(e => e.State == EntityState.Deleted && e.Entity != null).Select(n => Change.CreateDeleteChange(n.Entity));
var allChanges = new List<IChange>(addChanges);
allChanges.AddRange(deleteChanges);
allChanges.AddRange(updateChanges);
return new ChangeSet(typeof(TContext), allChanges);
}