/// <summary>
/// Initialize a new instance of the SchemaRegistryClient class.
/// </summary>
/// <param name="config">
/// Configuration properties.
/// </param>
public CachedSchemaRegistryClient(IEnumerable <KeyValuePair <string, object> > config)
{
if (config == null)
{
throw new ArgumentNullException("config properties must be specified.");
}
var schemaRegistryUrisMaybe = config.Where(prop => prop.Key.ToLower() == SchemaRegistryUrlPropertyName).FirstOrDefault();
if (schemaRegistryUrisMaybe.Value == null)
{
throw new ArgumentException("schema.registry.url configuration property must be specified.");
}
var schemaRegistryUris = (string)schemaRegistryUrisMaybe.Value;
var timeoutMsMaybe = config.Where(prop => prop.Key.ToLower() == SchemaRegistryConnectionTimeoutMsPropertyName).FirstOrDefault();
var timeoutMs = timeoutMsMaybe.Value == null ? DefaultTimeout : (int)timeoutMsMaybe.Value;
var identityMapCapacityMaybe = config.Where(prop => prop.Key.ToLower() == SchemaRegistryMaxCachedSchemasPropertyName).FirstOrDefault();
this.identityMapCapacity = identityMapCapacityMaybe.Value == null ? DefaultMaxCachedSchemas : (int)identityMapCapacityMaybe.Value;
var subjectNameStrategyMaybe = config.Where(prop => prop.Key.ToLower() == SchemaRegistrySubjectNameStrategyPropertyName).FirstOrDefault();
this.subjectNameStrategy = subjectNameStrategyMaybe.Value == null ? SubjectNameStrategies.Default :
SubjectNameStrategies.GetSubjectNameStrategy((string)subjectNameStrategyMaybe.Value);
foreach (var property in config)
{
if (!property.Key.StartsWith("schema.registry."))
{
continue;
}
if (property.Key != SchemaRegistryUrlPropertyName &&
property.Key != SchemaRegistryConnectionTimeoutMsPropertyName &&
property.Key != SchemaRegistryMaxCachedSchemasPropertyName &&
property.Key != SchemaRegistrySubjectNameStrategyPropertyName)
{
throw new ArgumentException($"CachedSchemaRegistryClient: unexpected configuration parameter {property.Key}");
}
}
this.restService = new RestService(schemaRegistryUris, timeoutMs);
}
/// <summary>
/// Allow other ISubjectNameStrategies to be used.
/// </summary>
/// <param name="name">The name used to look up the SubjectNameStrategy</param>
/// <param name="strategy">The SubjectNameStrategy</param>
public static void Register(string name, ISubjectNameStrategy strategy)
{
map.Add(name, strategy);
}