/// <summary>
/// Saves or updates the current snapshot for a given aggregate
/// </summary>
/// <typeparam name="T">Type of snapshot detail</typeparam>
/// <param name="snapshot">Snapshot instance</param>
public void SaveSnapshot <T>(Snapshot <T> snapshot)
{
var snapshotDetail = new SnapshotDetail
{
AggregateRootId = snapshot.AggregateRootId,
Version = snapshot.Version,
SnapshotData = JsonConvert.SerializeObject(snapshot.Data, SerializerSettings)
};
GetRepository().InsertSnapshot(snapshotDetail);
}
/// <summary>
/// Saves or updates the current snapshot for a given aggregate
/// </summary>
/// <typeparam name="T">Type of snapshot detail</typeparam>
/// <param name="snapshot">Snapshot instance</param>
public void SaveSnapshot <T>(Snapshot <T> snapshot)
{
var snapshotDetail = new SnapshotDetail
{
AggregateRootId = snapshot.AggregateRootId,
Version = snapshot.Version,
SnapshotData = snapshot.Data
};
GetRepository().InsertSnapshot(snapshotDetail);
}
/// <summary>
/// Saves a snapshot to a given file
/// </summary>
/// <typeparam name="T">Type of snapshot</typeparam>
/// <param name="snapshot">Snapshot instance</param>
/// <param name="fileName">File name to create or overwrite</param>
public void SaveSnapshotInstance <T>(Snapshot <T> snapshot, string fileName)
{
var aggregateRootDirectory = Path.Combine(FileUtility.GetSnapshotDirectory(),
snapshot.AggregateRootId.ToString());
if (!Directory.Exists(aggregateRootDirectory))
{
Directory.CreateDirectory(aggregateRootDirectory);
}
var snapshotData = new SnapshotDetail
{
AggregateRootId = snapshot.AggregateRootId,
Version = snapshot.Version,
Data = snapshot.Data
};
var filePath = Path.Combine(aggregateRootDirectory, fileName);
File.WriteAllText(filePath, GetSnapshotText(snapshotData));
}
/// <summary> /// Gets the text to save as the file's contents /// </summary> /// <param name="snapshotData">Snapshot details</param> /// <returns>Text representation of the snapshot details</returns> public abstract string GetSnapshotText(SnapshotDetail snapshotData);
/// <summary>
/// Gets the text to save as the file's contents
/// </summary>
/// <param name="snapshotData">Snapshot details</param>
/// <returns>Text representation of the snapshot details</returns>
public override string GetSnapshotText(SnapshotDetail snapshotData)
{
return(JsonConvert.SerializeObject(snapshotData, SerializerSettings));
}
