public bool HasSubscriptionStructures(DataSource source)
{
using (DatabaseConnectionFactory.Create(source))
{
return DatabaseGateway.GetScalarUsing<int>(source, SubscriptionQueries.HasSubscriptionStructures()) == 1;
}
}
public IDbConnectionConfiguration Get(DataSource dataSource)
{
Guard.AgainstNull(dataSource, "dataSource");
if (!dbConnectionConfigurations.ContainsKey(dataSource.Key))
{
lock(padlock)
{
if (!dbConnectionConfigurations.ContainsKey(dataSource.Key))
{
var settings = ConfigurationManager.ConnectionStrings[dataSource.Name];
if (settings == null)
{
throw new InvalidOperationException(
string.Format(DataResources.ConnectionStringMissing, dataSource.Name));
}
dbConnectionConfigurations.Add(dataSource.Key, new DbConnectionConfiguration(dataSource, settings.ProviderName, settings.ConnectionString));
}
}
}
return dbConnectionConfigurations[dataSource.Key];
}
public IDbConnection CreateConnection(DataSource source)
{
var dbConnectionConfiguration = _dbConnectionConfigurationProvider.Get(source);
if (!_dbProviderFactories.ContainsKey(source.Key))
{
lock(padlock)
{
if (!_dbProviderFactories.ContainsKey(source.Key))
{
var factory = DbProviderFactories.GetFactory(dbConnectionConfiguration.ProviderName);
_dbProviderFactories.Add(source.Key, factory);
_log.Verbose(string.Format(DataResources.DbProviderFactoryCached, dbConnectionConfiguration.ProviderName));
}
}
}
var dbProviderFactory = _dbProviderFactories[source.Key];
var connection = dbProviderFactory.CreateConnection();
connection.ConnectionString = dbConnectionConfiguration.ConnectionString;
_log.Verbose(string.Format(DataResources.DbConnectionCreated, source.Name));
return connection;
}
public IDbConnectionConfiguration Get(DataSource source)
{
Guard.AgainstNull(source, "source");
var settings = ConfigurationManager.ConnectionStrings[source.Name];
if (settings != null)
{
return new DbConnectionConfiguration(source, settings.ProviderName, settings.ConnectionString);
}
foreach (var provider in dbConnectionConfigurationProviders)
{
var configuration = provider.Get(source);
if (configuration == null)
{
continue;
}
return configuration;
}
throw new InvalidOperationException(
string.Format(
"The required connection string with name '{0}' is not specified in the application configuration file and has not been registered with any of the providers.",
source.Name));
}
public IDbCommand CreateCommandUsing(DataSource source, IDbConnection connection, IQuery query)
{
var command = connection.CreateCommand();
command.CommandTimeout = commandTimeout;
query.Prepare(source, command);
return command;
}
public DbConnectionConfiguration(DataSource dataSource, string providerName, string connectionString)
{
Guard.AgainstNull(dataSource, "dataSource");
Guard.AgainstNullOrEmptyString(providerName, "providerName");
Guard.AgainstNullOrEmptyString(connectionString, "connectionString");
Name = dataSource.Name;
ProviderName = providerName;
ConnectionString = connectionString;
}
public IDatabaseConnection Add(DataSource source, IDatabaseConnection connection)
{
Infrastructure.Guard.AgainstNull(connection, "connection");
Guard();
connections.Add(source.Key, connection);
return connection;
}
public IDatabaseConnection Get(DataSource source)
{
Guard();
if (!connections.ContainsKey(source.Key))
{
throw new ApplicationException(string.Format(DataResources.ThreadStaticDatabaseConnectionCacheMissingEntry, source.Name));
}
return connections[source.Key];
}
public void Prepare(DataSource source, IDbCommand command)
{
Guard.AgainstNull(source, "source");
Guard.AgainstNull(command, "command");
command.CommandText = procedure;
command.CommandType = CommandType.StoredProcedure;
foreach (var pair in parameterValues)
{
command.Parameters.Add(pair.Key.CreateDataParameter(source.DbDataParameterFactory, pair.Value));
}
}
public IDatabaseConnection Create(DataSource source)
{
if (_databaseConnectionCache.Contains(source))
{
var existingDatabaseConnection = new ExistingDatabaseConnection(_databaseConnectionCache.Get(source));
_log.Verbose(string.Format(DataResources.ExistingDatabaseConnectionReturned, source.Name));
return existingDatabaseConnection;
}
var databaseConnection = new DatabaseConnection(source, _dbConnectionFactory.CreateConnection(source), _dbCommandFactory, _databaseConnectionCache);
_log.Verbose(string.Format(DataResources.DatabaseConnectionCreated, source.Name));
return databaseConnection;
}
public IDbConnectionConfiguration Get(DataSource source)
{
try
{
var store = managementConfiguration.DataStoreRepository().Get(source.Name);
return store == null
? null
: new DbConnectionConfiguration(source,
store.ProviderName,
store.ConnectionString);
}
catch
{
return null;
}
}
public DatabaseConnection(DataSource dataSource, IDbConnection connection, IDbCommandFactory dbCommandFactory,
IDatabaseConnectionCache databaseConnectionCache, bool ownedConnection = true, IDbTransaction currentTransaction = null)
{
Guard.AgainstNull(dataSource, "dataSource");
Guard.AgainstNull(connection, "connection");
Guard.AgainstNull(dbCommandFactory, "dbCommandFactory");
Guard.AgainstNull(databaseConnectionCache, "databaseConnectionCache");
_dataSource = dataSource;
_dbCommandFactory = dbCommandFactory;
_databaseConnectionCache = databaseConnectionCache;
Connection = connection;
_ownedConnection = ownedConnection;
Transaction = currentTransaction;
_ownedTransaction = currentTransaction == null;
_log = Log.For(this);
_log.Verbose(string.Format(DataResources.DbConnectionCreated, dataSource.Name));
try
{
if (connection.State == ConnectionState.Closed)
{
Connection.Open();
_log.Verbose(string.Format(DataResources.DbConnectionOpened, dataSource.Name));
}
else
{
_log.Verbose(string.Format(DataResources.DbConnectionAlreadyOpen, dataSource.Name));
}
}
catch (Exception ex)
{
_log.Error(string.Format(DataResources.DbConnectionOpenException, dataSource.Name, ex.Message));
throw;
}
databaseConnectionCache.Add(dataSource, this);
}
public DataTable All(DataSource source)
{
return DatabaseGateway.GetDataTableFor(source, ScheduleQueries.All());
}
public bool Contains(DataSource source)
{
Guard();
return connections.ContainsKey(source.Key);
}
public DataTable MessageTypes(DataSource source, string uri)
{
return DatabaseGateway.GetDataTableFor(source, SubscriptionQueries.MessageTypes(uri));
}
public DataTable All(DataSource source)
{
return DatabaseGateway.GetDataTableFor(source, SubscriptionRequestQueries.All());
}
public void Remove(DataSource source)
{
Guard();
connections.Remove(source.Key);
}
public DataTable AllUris(DataSource source)
{
return DatabaseGateway.GetDataTableFor(source, SubscriptionQueries.AllUris());
}
public bool HasScheduleStructures(DataSource source)
{
return _databaseGateway.GetScalarUsing<int>(source, _queryFactory.HasScheduleStructures()) == 1;
}
