/// <summary>
/// Verify the provided <paramref name="mongoIndex"/> is defined and ready to go.
/// </summary>
protected virtual void VerifyIndex(MongoDbIndex <MongoDbEventData> mongoIndex)
{
IndexKeysDefinitionBuilder <MongoDbEventData> indexKeysBuilder = Builders <MongoDbEventData> .IndexKeys;
IndexKeysDefinition <MongoDbEventData> indexKey = null;
IList <Expression <Func <MongoDbEventData, object> > > selectors = mongoIndex.Selectors.ToList();
for (int i = 0; i < selectors.Count; i++)
{
Expression <Func <MongoDbEventData, object> > expression = selectors[i];
if (mongoIndex.IsAcending)
{
if (i == 0)
{
indexKey = indexKeysBuilder.Ascending(expression);
}
else
{
indexKey = indexKey.Ascending(expression);
}
}
else
{
if (i == 0)
{
indexKey = indexKeysBuilder.Descending(expression);
}
else
{
indexKey = indexKey.Descending(expression);
}
}
}
bool throwExceptions;
if (!bool.TryParse(ConfigurationManager.GetSetting("Cqrs.MongoDb.EventStore.ThrowExceptionsOnIndexPreparation"), out throwExceptions))
{
throwExceptions = true;
}
try
{
MongoCollection.Indexes.CreateOne
(
indexKey,
new CreateIndexOptions
{
Unique = mongoIndex.IsUnique,
Name = mongoIndex.Name
}
);
}
catch
{
if (throwExceptions)
{
throw;
}
}
}
protected virtual void VerifyIndex(MongoDbIndex <EventData> mongoIndex)
{
IndexKeysDefinitionBuilder <EventData> indexKeysBuilder = Builders <EventData> .IndexKeys;
IndexKeysDefinition <EventData> indexKey = null;
IList <Expression <Func <EventData, object> > > selectors = mongoIndex.Selectors.ToList();
for (int i = 0; i < selectors.Count; i++)
{
Expression <Func <EventData, object> > expression = selectors[i];
if (mongoIndex.IsAcending)
{
if (i == 0)
{
indexKey = indexKeysBuilder.Ascending(expression);
}
else
{
indexKey = indexKey.Ascending(expression);
}
}
else
{
if (i == 0)
{
indexKey = indexKeysBuilder.Descending(expression);
}
else
{
indexKey = indexKey.Descending(expression);
}
}
}
MongoCollection.Indexes.CreateOne
(
indexKey,
new CreateIndexOptions
{
Unique = mongoIndex.IsUnique,
Name = mongoIndex.Name
}
);
}
