public Task Insert(ShardedVertexInfo shardedVertexInfo)
{
TableOperation insertOperation =
TableOperation.InsertOrReplace((ShardedVertexTable)shardedVertexInfo);
return(cloudTable.ExecuteAsync(insertOperation));
}
public Task Delete(ShardedVertexInfo entry)
{
var row = (ShardedVertexTable)entry;
row.ETag = "*";
return(cloudTable.ExecuteAsync(TableOperation.Delete(row)));
}
private ShardedVertexInfo UpdateVerion(ShardedVertexInfo svInfo)
=> new ShardedVertexInfo(
vertexName: svInfo.VertexName,
epochId: svInfo.EpochId,
addedShards: svInfo.AddedShards,
allShards: svInfo.AllShards,
allInstances: svInfo.AllInstances,
removedShards: svInfo.RemovedShards,
shardLocator: svInfo.ShardLocator,
versionId: FileUtils.GetUpdateVersionId(svInfo.VersionId));
private (bool matched, bool versionMatched) MatchVersion(ShardedVertexInfo dbItem, ShardedVertexInfo newItem)
{
if (dbItem.VertexName == newItem.VertexName &&
dbItem.EpochId == newItem.EpochId)
{
if (newItem.VersionId == null ||
newItem.VersionId == "*" ||
newItem.VersionId == dbItem.VersionId)
{
return(true, true);
}
return(true, false);
}
return(false, false);
}
public async Task RegisterShardedVertexAsync(
string vertexName,
List <string> allInstances,
List <int> allShards,
List <int> addedShards,
List <int> removedShards,
Expression <Func <int, int> > shardLocator)
{
await _shardedVertexInfoProvider.Insert(
ShardedVertexInfo.Create(
vertexName,
"0",
allInstances,
allShards,
addedShards,
removedShards,
shardLocator));
}
public Task Insert(ShardedVertexInfo shardedVertexInfo)
=> FileUtils.InsertOrUpdate(
_fileName,
shardedVertexInfo,
MatchVersion,
UpdateVerion);
public Task Delete(ShardedVertexInfo entry)
=> FileUtils.DeleteItem(
_fileName,
entry,
MatchVersion);
