/* Higher level, fast operations */
/// <summary>
/// Applies a write commit to the disk
/// </summary>
/// <param name="commit"></param>
public int ApplyWriteCommit(WriteCommit commit)
{
//Loop through and push each object
int totalSize = 0;
foreach (var obj in commit.commits)
{
//Serialize. Get length
int len = obj.GetLength();
totalSize += len;
//Open buffer
byte[] payload = new byte[len];
//Serialize to this
obj.SerializeTo(this, payload, 0);
//Insert
LowLevelUpsertObject(obj.objectId, commit.commitId, obj.groupId, commit.commitType, payload);
}
//Update name table if needed
if (nameTableDirty)
{
UpdateNameTable();
}
//Update TOC
UpdateToc();
return(totalSize);
}
/// <summary>
/// Writes a commit to the disk in a thread-safe manner
/// </summary>
/// <param name="commit"></param>
/// <returns></returns>
public Task <int> WriteCommitAsync(WriteCommit commit)
{
var cmd = new WriteCommitCommand(this, commit);
controller.QueueCommand(cmd);
return(cmd.GetTask());
}
static void Main(string[] args)
{
MultithreadedContentDatabaseController mt = new MultithreadedContentDatabaseController();
//Delete
if (File.Exists("E:\\test.db"))
{
File.Delete("E:\\test.db");
}
//Open
var session = mt.GetDatabaseSession("E:\\test.db", 512);
//Make items
var commit = new WriteCommit(747669614976172074, 0xAA);
Random rand = new Random();
for (int i = 0; i < 2000; i++)
{
TestDataset ds = new TestDataset(i);
ds.Randomize(rand);
WriteCommitObject obj = new WriteCommitObject((ulong)i, 123456789);
ds.WriteToObject(obj);
commit.CommitObject(obj);
datasets.Add(ds);
}
session.WriteCommitAsync(commit);
//Count
Console.WriteLine("Count: " + session.CountAllItemsAsync().GetAwaiter().GetResult());
//Close
session.CloseDatabaseAsync().GetAwaiter().GetResult();
//Open
mt = new MultithreadedContentDatabaseController();
session = mt.GetDatabaseSession("E:\\test.db", 512);
//Load and validate
var r = session.FindAllItemsAsync().GetAwaiter().GetResult();
ValidationJar jar = new ValidationJar();
for (int i = 0; i < datasets.Count; i++)
{
var des = r.results[i].Deserialize();
datasets[i].Validate(des, jar);
}
Console.WriteLine($"Done. {jar.checked_ok} OK, {jar.checked_failed} failed");
Console.ReadLine();
}
public WriteCommitCommand(MultithreadedContentDatabaseSession session, WriteCommit commit)
{
this.session = session;
this.commit = commit;
}