PackageDB(PackageDB origin, InstanceStore store, Dictionary <string, PackageFeed> newFeeds, DateTime lastUpdate)
{
_version = origin._version + 1;
_feeds = newFeeds ?? origin._feeds;
_instances = store ?? origin._instances;
_lastUpdate = lastUpdate;
}
/// <summary>
/// Reads this cache from a serialized data.
/// </summary>
/// <param name="monitor">The monitor to use.</param>
/// <param name="reader">The deserializer to use.</param>
/// <returns>True on success, false on error.</returns>
public bool Read(IActivityMonitor monitor, ICKBinaryReader reader)
{
if (reader == null)
{
throw new ArgumentNullException(nameof(reader));
}
try
{
_db = new PackageDB(reader);
return(true);
}
catch (Exception ex)
{
monitor.Error("Unable to read package database.", ex);
return(false);
}
}
/// <summary>
/// Registers multiple packages at once. Any <see cref="PackageInfo.Dependencies"/> must
/// be already registered or appear before the dependent package in the <paramref name="infos"/> enumerable.
/// </summary>
/// <param name="m">The monitor to use.</param>
/// <param name="infos">The package informations.</param>
/// <param name="skipExisting">
/// False to log an error and return null if infos contains already registered packages.
/// By default, exisiting packages are silently ignored.
/// </param>
/// <returns>The new database or null on error.</returns>
public PackageDB Add(IActivityMonitor m, IEnumerable <PackageInfo> infos, bool skipExisting = true)
{
var newDb = _db.Add(m, infos, skipExisting);
return(newDb != null ? (_db = newDb) : null);
}
/// <summary>
/// Initializes a new empty cache.
/// </summary>
public ArtifactCache()
{
_db = new PackageDB();
}
