public KsDef Describe(Server server)
{
if (_cachedKeyspaceDescription == null)
_cachedKeyspaceDescription = CassandraSession.GetKeyspace(server, KeyspaceName);
return _cachedKeyspaceDescription;
}
public string AddColumnFamily(Server server, CfDef definition)
{
_cachedKeyspaceDescription = null;
using (var session = new CassandraSession(new ConnectionBuilder(KeyspaceName, server.Host, server.Port)))
return session.GetClient().system_add_column_family(definition);
}
public IEnumerable<CassandraTokenRange> DescribeRing(Server server)
{
using (var session = new CassandraSession(new ConnectionBuilder(KeyspaceName, server.Host, server.Port)))
{
var tokenRanges = session.GetClient(setKeyspace: false).describe_ring(KeyspaceName);
foreach (var tokenRange in tokenRanges)
yield return new CassandraTokenRange(tokenRange.Start_token, tokenRange.End_token, tokenRange.Endpoints);
}
}
/// <summary>
///
/// </summary>
/// <param name="builder"></param>
internal Connection(Server server, int timeout = 0)
{
Created = DateTime.Now;
Server = server;
Timeout = timeout;
//TcpClient client = new TcpClient(server.Host, server.Port);
//client.NoDelay = true;
//client.SendBufferSize = timeout;
//client.ReceiveTimeout = timeout;
//TTransport socket = new TSocket(client);
TTransport socket = new TSocket(server.Host, server.Port, timeout);
_transport = new TFramedTransport(socket);
_protocol = new TBinaryProtocol(_transport);
_client = new Cassandra.Client(_protocol);
}
public static string UpdateKeyspace(Server server, KsDef definition)
{
using (var session = new CassandraSession(new ConnectionBuilder(null, server.Host, server.Port)))
return session.GetClient(setKeyspace: false).system_update_keyspace(definition);
}
public static bool KeyspaceExists(Server server, string keyspaceName)
{
return DescribeKeyspaces(server).Any(keyspace => keyspace.KeyspaceName == keyspaceName);
}
public static KsDef GetKeyspace(Server server, string keyspace)
{
using (var session = new CassandraSession(new ConnectionBuilder(keyspace, server.Host, server.Port)))
return session.GetClient().describe_keyspace(keyspace);
}
public static string DropKeyspace(Server server, string keyspace)
{
using (var session = new CassandraSession(new ConnectionBuilder(null, server.Host, server.Port)))
return session.GetClient(setKeyspace: false).system_drop_keyspace(keyspace);
}
public static string DescribeVersion(Server server)
{
using (var session = new CassandraSession(new ConnectionBuilder(null, server.Host, server.Port)))
{
string response = session.GetClient(setKeyspace: false).describe_version();
return response;
}
}
public static Dictionary<string, List<string>> DescribeSchemaVersions(Server server)
{
using (var session = new CassandraSession(new ConnectionBuilder(null, server.Host, server.Port)))
{
var response = session.GetClient(setKeyspace: false).describe_schema_versions();
return response;
}
}
public static IEnumerable<CassandraKeyspace> DescribeKeyspaces(Server server)
{
using (var session = new CassandraSession(new ConnectionBuilder(null, server.Host, server.Port)))
{
IEnumerable<KsDef> keyspaces = session.GetClient(setKeyspace: false).describe_keyspaces();
foreach (var keyspace in keyspaces)
yield return new CassandraKeyspace(keyspace);
}
}
public CfDef GetColumnFamily(Server server, string columnFamily)
{
return Describe(server).Cf_defs.FirstOrDefault(cf => cf.Name == columnFamily);
}
public string DropColumnFamily(Server server, string columnFamily)
{
_cachedKeyspaceDescription = null;
using (var session = new CassandraSession(new ConnectionBuilder(KeyspaceName, server.Host, server.Port)))
return session.GetClient().system_drop_column_family(columnFamily);
}
public bool ColumnFamilyExists(Server server, string columnFamilyName)
{
return Describe(server).Cf_defs.Any(columnFamily => columnFamily.Name == columnFamilyName);
}
