private void ConfigurationChanged(PriusConfig config)
{
var oldRepositories = _repositories;
if (config == null || config.Repositories == null || config.Repositories.Count == 0)
{
_repositories = new Dictionary<string, IRepository>();
}
else
{
_repositories = config.Repositories.ToDictionary(
r => r.Name.ToLower(),
r => new Repository(_connectionFactory, _configurationStore).Initialize(r.Name));
}
if (oldRepositories != null)
{
lock (oldRepositories)
{
foreach (var repo in oldRepositories.Values)
repo.Dispose();
}
}
}
private void ConfigurationChanged(PriusConfig config)
{
Action nullConfig = () =>
{
_groups = new Group[0];
};
if (config == null || config.Repositories == null)
{
nullConfig();
return;
}
var repositoryConfiguration = config.Repositories.FirstOrDefault(r => string.Equals(r.Name, Name, StringComparison.InvariantCultureIgnoreCase));
if (repositoryConfiguration == null)
{
nullConfig();
return;
}
var fallbackPolicies = config.FallbackPolicies == null
? new Dictionary<string, FallbackPolicy>()
: config.FallbackPolicies.ToDictionary(p => p.Name);
var databases = config.Databases == null
? new Dictionary<string, Database>()
: config.Databases.ToDictionary(s => s.Name);
var groups = repositoryConfiguration.Clusters
.Where(cluster => cluster.Enabled)
.OrderBy(cluster => cluster.SequenceNumber)
.Select(cluster =>
{
FallbackPolicy fallbackPolicy;
if (!fallbackPolicies.TryGetValue(cluster.FallbackPolicyName, out fallbackPolicy))
fallbackPolicy = new FallbackPolicy();
var servers = cluster.DatabaseNames
.Select(databaseName =>
{
Database database;
return databases.TryGetValue(databaseName, out database)
? database
: null;
})
.Where(database => database != null && database.Enabled)
.OrderBy(database => database.SequenceNumber)
.Select(database => new Server(
database.ServerType,
database.ConnectionString,
database.StoredProcedures == null ? null : database.StoredProcedures.ToDictionary(p => p.Name.ToLower(), p => p.TimeoutSeconds)));
return new Group().Initialize
(
this,
fallbackPolicy.FailureWindowSeconds,
fallbackPolicy.AllowedFailurePercent / 100f,
fallbackPolicy.WarningFailurePercent / 100f,
fallbackPolicy.BackOffTime,
servers
);
});
_groups = groups.ToArray();
}