/// <summary>
/// Creates a new instance if the currentInstance is not valid for the given Cassandra version
/// </summary>
public static SchemaParser GetInstance(Version cassandraVersion, Metadata parent, Func <string, string, Task <UdtColumnInfo> > udtResolver, SchemaParser currentInstance = null)
{
if (cassandraVersion >= Version30 && !(currentInstance is SchemaParserV2))
{
return(new SchemaParserV2(parent, udtResolver));
}
if (cassandraVersion < Version30 && !(currentInstance is SchemaParserV1))
{
return(new SchemaParserV1(parent));
}
if (currentInstance == null)
{
throw new ArgumentNullException("currentInstance");
}
return(currentInstance);
}
/// <summary>
/// Sets the Cassandra version in order to identify how to parse the metadata information
/// </summary>
/// <param name="version"></param>
internal void SetCassandraVersion(Version version)
{
_schemaParser = SchemaParser.GetInstance(version, this, GetUdtDefinitionAsync, _schemaParser);
}