public VendorRepository(ILoggerFactory loggerService)
{
var databaseName = "vendor";
path = Environment.GetEnvironmentVariable("DATA_DIR");
logger = loggerService.CreateLogger(databaseName);
var cfg = new BTreeDatabaseConfig
{
Creation = CreatePolicy.IF_NEEDED,
CacheSize = new CacheInfo(1, 0, 1),
ErrorFeedback = (prefix, message) =>
{
var fg = Console.ForegroundColor;
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"{prefix}: {message}");
Console.ForegroundColor = fg;
},
ErrorPrefix = databaseName,
//Duplicates = DuplicatesPolicy.SORTED,
//TableSize = tableSize
};
// we have 50k vendors, so we're going to split into two equal partitions of 25k
cfg.SetPartitionByKeys(new[] { new DatabaseEntry(BitConverter.GetBytes(25000)) });
cfg.SetPartitionByCallback(3, key => { return(0); });
db = BTreeDatabase.Open(Path.Combine(path, databaseName + ".db"), cfg);
BTreeDatabase.Verify("", cfg, Database.VerifyOperation.DEFAULT);
}
