void IModelDataGatewayInitializeable.Initialize <T>(ModelActionOption option, IContext context, T t, ICriterion criterion, ResolveDbKey <T> dbkeyResolver)
{
string connectionStringKey = ResolveConnectionStringKey(context);
if (String.IsNullOrWhiteSpace(connectionStringKey))
{
connectionStringKey = dbkeyResolver.Invoke(context);
}
if (String.IsNullOrEmpty(connectionStringKey))
{
int connectionStringCount = ConfigurationManager.ConnectionStrings.Count;
if (connectionStringCount > 0)
{
var found = ConfigurationManager.ConnectionStrings[connectionStringCount - 1];
connectionStringKey = found.Name;
if (eXtensibleConfig.Inform)
{
EventWriter.Inform(String.Format("Could not resolve the database key, selecting a connection string from configuration (key={0})", found.Name));
}
}
}
if (String.IsNullOrEmpty(connectionStringKey))
{
var message = Exceptions.ComposeDbConnectionStringKeyResolutionError <T>(option, t, context);
context.SetError(500, message.ToPublish());
EventWriter.WriteError(message.ToLog(), SeverityType.Error, XFConstants.Category.DataAccess, context.ToDictionary(message.Id));
}
else
{
ConnectionStringSettings settings = ConfigurationManager.ConnectionStrings[connectionStringKey];
if (settings == null)
{
var message = Exceptions.ComposeDbConnectionNullSettingsError <T>(option, t, context, connectionStringKey);
context.SetError(500, message.ToPublish());
EventWriter.WriteError(message.ToLog(), SeverityType.Error, XFConstants.Category.DataAccess, context.ToDictionary(message.Id));
}
else
{
SqlConnection connection = null;
try
{
connection = new SqlConnection(settings.ConnectionString);
}
catch (Exception ex)
{
var message = Exceptions.ComposeDbConnectionStringFormatError <T>(option, t, context, connectionStringKey, settings.ConnectionString);
context.SetError(500, message.ToPublish());
context.SetStacktrace(ex.StackTrace);
EventWriter.WriteError(message.ToLog(), SeverityType.Error, XFConstants.Category.DataAccess, context.ToDictionary(message.Id));
}
if (connection == null)
{
var message = Exceptions.ComposeDbConnectionCreationError <T>(option, t, context, connectionStringKey);
context.SetError(500, message.ToPublish());
EventWriter.WriteError(message.ToLog(), SeverityType.Error, XFConstants.Category.DataAccess, context.ToDictionary(message.Id));
}
else
{
DbConnection = connection;
if (eXtensibleConfig.CaptureMetrics)
{
IRequestContext ctx = context as IRequestContext;
ctx.SetMetric(XFConstants.Metrics.Scope.DataStore, XFConstants.Metrics.Database.Datasource, String.Format("server:{0};database:{1};", connection.DataSource, connection.Database));
}
}
}
}
}
void IModelDataGatewayInitializeable.Initialize<T>(ModelActionOption option, IContext context, T t, ICriterion criterion, ResolveDbKey<T> dbkeyResolver)
{
string key = ResolveConnectionStringKey(context);
if (String.IsNullOrWhiteSpace(key))
{
key = dbkeyResolver.Invoke(context);
}
if (String.IsNullOrEmpty(key))
{
var message = Exceptions.ComposeDbConnectionStringKeyResolutionError<T>(option, t, context);
context.SetError(500, message.ToPublish() );
EventWriter.WriteError(message.ToLog(), SeverityType.Error);
}
else
{
var cn = ConfigurationManager.ConnectionStrings[key];
if (cn != null)
{
MongoConnectionInfo info = new MongoConnectionInfo();
if (info.Initialize(cn))
{
MongoDb = info.GetDatabase();
}
if (MongoDb == null)
{
var message = Exceptions.ComposeDbConnectionCreationError<T>(option, t, context, key);
context.SetError(500, message.ToPublish());
EventWriter.WriteError(message.ToLog(), SeverityType.Error);
}
else
{
Collection = GetCollection();
if (Collection == null)
{
context.SetError(500, "MongoDB.Collection is Null");
}
else if (eXtensibleConfig.CaptureMetrics)
{
IRequestContext ctx = context as IRequestContext;
ctx.SetMetric(XFConstants.Metrics.Scope.DataStore, XFConstants.Metrics.Database.Datasource, String.Format("server:{0};database:{1};", cn.ConnectionString, key)); ;
}
}
}
else
{
var message = Exceptions.ComposeDbConnectionCreationError<T>(option, t, context, key);
context.SetError(500, message.ToPublish());
EventWriter.WriteError(message.ToLog(), SeverityType.Error);
}
}
}
