/// <summary>
/// Registers the new shard.
/// Verify if shard exists for the tenant. If not then create new shard and add tenant details to Tenants table in catalog
/// </summary>
/// <param name="tenantName">Name of the tenant.</param>
/// <param name="tenantId">The tenant identifier.</param>
/// <param name="tenantServerConfig">The tenant server configuration.</param>
/// <param name="databaseConfig">The database configuration.</param>
/// <param name="catalogConfig">The catalog configuration.</param>
public static bool RegisterNewShard(string tenantName, int tenantId, TenantServerConfig tenantServerConfig, DatabaseConfig databaseConfig, CatalogConfig catalogConfig)
{
try
{
Shard shard;
ShardLocation shardLocation = new ShardLocation(tenantServerConfig.TenantServer, tenantName, databaseConfig.SqlProtocol, databaseConfig.DatabaseServerPort);
if (!ShardMap.TryGetShard(shardLocation, out shard))
{
//create shard if it does not exist
shard = ShardMap.CreateShard(shardLocation);
}
// Register the mapping of the tenant to the shard in the shard map.
// After this step, DDR on the shard map can be used
PointMapping <int> mapping;
if (!ShardMap.TryGetMappingForKey(tenantId, out mapping))
{
var pointMapping = ShardMap.CreatePointMapping(tenantId, shard);
//convert from int to byte[] as tenantId has been set as byte[] in Tenants entity
var key = _helper.ConvertIntKeyToBytesArray(pointMapping.Value);
//add tenant to Tenants table
var tenant = new Tenants
{
ServicePlan = catalogConfig.ServicePlan,
TenantId = key,
TenantName = tenantName
};
_tenantsRepository.Add(tenant);
}
return(true);
}
catch (Exception ex)
{
// _logger.LogError(0, ex, "Error in registering new shard.");
//throw new ApplicationException("Error in registering new shard.");
return(false);
}
}
