/// <summary>
///
/// </summary>
internal static void test1()
{
//IndexTermDict<string>.test1();
//Console.ReadLine();
//return;
IndexTermDict <string> inMem = new IndexTermDict <string>();
ulong index = 1;
ulong term = 1;
inMem.Add(index, term, index.ToString() + "_" + term.ToString());
index = 2;
term = 1;
inMem.Add(index, term, index.ToString() + "_" + term.ToString());
index = 2;
term = 2;
inMem.Add(index, term, index.ToString() + "_" + term.ToString());
index = 2;
term = 3;
inMem.Add(index, term, index.ToString() + "_" + term.ToString());
index = 3;
term = 2;
inMem.Add(index, term, index.ToString() + "_" + term.ToString());
index = 3;
term = 1;
inMem.Add(index, term, index.ToString() + "_" + term.ToString());
index = 3;
term = 3;
inMem.Add(index, term, index.ToString() + "_" + term.ToString());
Console.WriteLine("---------------Tests---------------------");
if (inMem.Select(13, 1, out var billy))
{
Console.WriteLine(billy);
}
else
{
Console.WriteLine("billy not found");
}
Console.WriteLine("------------------------------------");
foreach (var el in inMem.SelectForwardFromTo(0, 0, true, 1000, 1000))
{
Console.WriteLine($"v: {el.Item3}");
}
Console.WriteLine("------------------------------------");
foreach (var el in inMem.SelectForwardFromTo(2, 2, false, 3, 2))
{
Console.WriteLine($"v: {el.Item3}");
}
//Console.WriteLine("------------------------------------");
//foreach (var el in inMem.SelectBackwardFromTo(3, 2, false, 2, 2))
//{
// Console.WriteLine($"v: {el.Item3}");
//}
Console.WriteLine("-----------After deletion-------------------------");
inMem.Remove(inMem.SelectForwardFromTo(2, 2, false, 3, 2).ToList());
foreach (var el in inMem.SelectForwardFromTo(0, 0, true, 1000, 1000))
{
Console.WriteLine($"v: {el.Item3}");
}
Console.ReadLine();
return;
}
/// <summary>
/// under lock_operations
/// only for followers
/// </summary>
/// <param name="lhb"></param>
/// <returns>will return false if node needs synchronization from LastCommittedIndex/Term</returns>
public bool SetLastCommittedIndexFromLeader(LeaderHeartbeat lhb)
{
if (this.LastCommittedIndex < lhb.LastStateLogCommittedIndex)
{
//Node tries to understand if it contains already this index/term, if not it will need synchronization
ulong populateFrom = 0;
Tuple <ulong, StateLogEntry> sleTpl;
//if (rn.entitySettings.DelayedPersistenceIsActive && rn.entitySettings.InMemoryEntityStartSyncFromLatestEntity)
//{
// populateFrom = this.LastCommittedIndex + 1;
// this.LastCommittedIndex = lhb.LastStateLogCommittedIndex;
// this.LastCommittedIndexTerm = lhb.LastStateLogCommittedIndexTerm;
// sleCacheIndex = lhb.LastStateLogCommittedIndex;
// sleCacheTerm = lhb.LastStateLogCommittedIndexTerm;
//}
//else
if (rn.entitySettings.DelayedPersistenceIsActive
&&
sleCache.TryGetValue(lhb.LastStateLogCommittedIndex, out sleTpl) && sleTpl.Item1 == lhb.LastStateLogCommittedIndexTerm
)
{
populateFrom = this.LastCommittedIndex + 1;
this.LastCommittedIndex = lhb.LastStateLogCommittedIndex;
this.LastCommittedIndexTerm = lhb.LastStateLogCommittedIndexTerm;
sleCacheIndex = lhb.LastStateLogCommittedIndex;
sleCacheTerm = lhb.LastStateLogCommittedIndexTerm;
}
else if (rn.entitySettings.InMemoryEntity)
{
lock (inMem.Sync)
{
if (inMem.Select(lhb.LastStateLogCommittedIndex, lhb.LastStateLogCommittedIndexTerm, out var rSle))
{
populateFrom = this.LastCommittedIndex + 1;
this.LastCommittedIndex = lhb.LastStateLogCommittedIndex;
this.LastCommittedIndexTerm = lhb.LastStateLogCommittedIndexTerm;
using (var t = this.rn.db.GetTransaction())
{
t.Insert <byte[], byte[]>(tblStateLogEntry, new byte[] { 2 }, lhb.LastStateLogCommittedIndex.ToBytes(lhb.LastStateLogCommittedIndexTerm));
t.Commit();
}
}
else
{
return(false);
}
}
}
else
{
using (var t = this.rn.db.GetTransaction())
{
t.ValuesLazyLoadingIsOn = false;
var row = t.Select <byte[], byte[]>(tblStateLogEntry, (new byte[] { 1 }).ToBytes(lhb.LastStateLogCommittedIndex, lhb.LastStateLogCommittedIndexTerm));
if (row.Exists)
{
populateFrom = this.LastCommittedIndex + 1;
this.LastCommittedIndex = lhb.LastStateLogCommittedIndex;
this.LastCommittedIndexTerm = lhb.LastStateLogCommittedIndexTerm;
//rn.VerbosePrint($"{rn.NodeAddress.NodeAddressId}> AddToLogFollower (I/T): here");
t.Insert <byte[], byte[]>(tblStateLogEntry, new byte[] { 2 }, lhb.LastStateLogCommittedIndex.ToBytes(lhb.LastStateLogCommittedIndexTerm));
t.Commit();
}
else
{
return(false);
}
}
}
if (populateFrom > 0)
{
this.rn.Commited();
}
}
return(true);
}