// Constructors
private VersionCapturer(Session session, VersionSet versions)
: base(session)
{
ArgumentValidator.EnsureArgumentNotNull(versions, "versions");
Versions = versions;
AttachEventHandlers();
}
/// <summary>
/// Merges the current <see cref="VersionSet"/> with provided one.
/// </summary>
/// <param name="other">The other <see cref="VersionSet"/>.</param>
/// <param name="session"></param>
public void MergeWith(VersionSet other, Session session)
{
foreach (var pair in other.versions.Where(p => session.EntityStateCache.ContainsKey(p.Key.Key)))
{
versions[pair.Key] = pair.Value;
}
}
/// <inheritdoc/>
VersionSet IVersionSetProvider.CreateVersionSet(IEnumerable <Key> keys)
{
using (Activate())
using (var tx = OpenAutoTransaction()) {
var entities = Query.Many <Entity>(keys);
var result = new VersionSet();
foreach (var entity in entities)
{
if (entity != null)
{
_ = result.Add(entity, false);
}
}
tx.Complete();
return(result);
}
}
/// <summary>
/// Attaches the validator to the specified session.
/// </summary>
/// <param name="session">The session to attach validator to.</param>
/// <param name="expectedVersions">The set containing expected versions.</param>
/// <returns>
/// A newly created <see cref="VersionValidator"/> attached
/// to the specified <paramref name="session"/>.
/// </returns>
public static VersionValidator Attach(Session session, VersionSet expectedVersions)
{
return(new VersionValidator(session, expectedVersions.Get));
}
public static VersionValidator Attach(VersionSet expectedVersions)
{
return(Attach(Session.Demand(), expectedVersions));
}
// Factory methods
/// <summary>
/// Attaches the version capturer to the current session.
/// </summary>
/// <param name="session">The session to attach the capturer to.</param>
/// <param name="versions">The <see cref="VersionSet"/> to append captured versions to.</param>
/// <returns>
/// A newly created <see cref="VersionCapturer"/> attached
/// to the specified <paramref name="session"/>.
/// </returns>
public static VersionCapturer Attach(Session session, VersionSet versions)
{
return(new VersionCapturer(session, versions));
}
public static VersionCapturer Attach(VersionSet versions)
{
return(Attach(Session.Demand(), versions));
}