private void CreateFronEnvironmentStringIfNotExists(IEventStreamIdentity attribute)
{
if (!AllSettings.ContainsKey(EventStreamSetting.MakeDomainQualifiedEntityName(attribute)))
{
string envValue = Environment.GetEnvironmentVariable(EventStreamSetting.MakeEnvironmentStringKey(attribute));
if (string.IsNullOrWhiteSpace(envValue))
{
envValue = Environment.GetEnvironmentVariable(EventStreamSetting.MakeEnvironmentStringKey(attribute, AllEntityTypes: true));
}
if (string.IsNullOrWhiteSpace(envValue))
{
envValue = Environment.GetEnvironmentVariable(EventStreamSetting.MakeEnvironmentStringKey(attribute, AllDomains: true));
}
if (string.IsNullOrWhiteSpace(envValue))
{
envValue = Environment.GetEnvironmentVariable(EventStreamSetting.MakeEnvironmentStringKey(attribute, AllEntityTypes: true, AllDomains: true));
}
if (!string.IsNullOrWhiteSpace(envValue))
{
EventStreamSetting newSetting = EventStreamSetting.SettingsFromEnvironmentStringValue(attribute, envValue);
if (null != newSetting)
{
AllSettings.TryAdd(EventStreamSetting.MakeDomainQualifiedEntityName(attribute),
newSetting);
}
}
}
}
public string GetBackingImplementationType(IEventStreamIdentity attribute)
{
CreateFronEnvironmentStringIfNotExists(attribute);
if (AllSettings.ContainsKey(EventStreamSetting.MakeDomainQualifiedEntityName(attribute)))
{
return(AllSettings[EventStreamSetting.MakeDomainQualifiedEntityName(attribute)].Storage.ToUpperInvariant());
}
else
{
return(DefaultEventStreamSetting(EventStreamSetting.MakeDomainQualifiedEntityName(attribute)).Storage.ToUpperInvariant());
}
}
public string GetConnectionStringName(IEventStreamIdentity attribute)
{
CreateFronEnvironmentStringIfNotExists(attribute);
if (AllSettings.ContainsKey(EventStreamSetting.MakeDomainQualifiedEntityName(attribute)))
{
return(AllSettings[EventStreamSetting.MakeDomainQualifiedEntityName(attribute)].ConnectionStringName);
}
else
{
return(ConnectionStringNameAttribute.DefaultConnectionStringName(attribute));
}
}
public static EventStreamSetting SettingsFromEnvironmentStringValue(IEventStreamIdentity eventStreamIdentity,
string environmentStringValue)
{
EventStreamSetting ret = new EventStreamSetting(MakeDomainQualifiedEntityName(eventStreamIdentity));
if (!string.IsNullOrWhiteSpace(environmentStringValue))
{
if (environmentStringValue.StartsWith("Table;"))
{
ret.Storage = EVENTSTREAMIMPLEMENTATIOIN_TABLE;
if (environmentStringValue.Length > @"Table;".Length)
{
ret.ConnectionStringName = environmentStringValue.Substring(6);
}
}
if (environmentStringValue.StartsWith("AppendBlob;"))
{
ret.Storage = EVENTSTREAMIMPLEMENTATION_APPENDBLOB;
if (environmentStringValue.Length > @"AppendBlob;".Length)
{
ret.ConnectionStringName = environmentStringValue.Substring(11);
}
}
}
// If not able to make a setting from the environment string, fall back on the default
if (string.IsNullOrWhiteSpace(ret.Storage))
{
// Default to event blob storage
ret.Storage = EVENTSTREAMIMPLEMENTATION_APPENDBLOB;
}
if (string.IsNullOrWhiteSpace(ret.ConnectionStringName))
{
ret.ConnectionStringName = ConnectionStringNameAttribute.DefaultConnectionStringName(eventStreamIdentity);
}
return(ret);
}
