private async Task <List <Row> > RetrieveData(Configuration.Cassandra configuration)
{
var(_, session) = await Service.BootStrapCassandra(configuration, Logger).ConfigureAwait(false);
try
{
using var rowSet = await session.ExecuteAsync(
new SimpleStatement ($"SELECT * FROM {PurchaseOrderHandler.TableName};")).ConfigureAwait(false);
var rows = rowSet.GetRows().ToList();
return(rows);
}
finally
{
session.Dispose();
}
}
internal static async Task <(IDisposable cluster, ISession session)> BootStrapCassandra(Configuration.Cassandra configuration, ILogger logger)
{
var builder = Cluster.Builder()
.AddContactPoints(configuration.Hosts)
.WithCredentials(configuration.UserName, configuration.Password);
var cluster = builder.Build();
var session = await cluster.ConnectAsync(PurchaseOrderHandler.KeySpace)
.ConfigureAwait(false);
return(cluster, session);
}
