static DefaultConnectionString()
{
try
{
String path = DALBootstrap.GetConnectionLocatorPath();
if (String.IsNullOrEmpty(path))
{
throw new Exception("ConnectionString file doesn't exist.");
}
rwLock.EnterWriteLock();
var collection = DALBootstrap.ConnectionStringKeys;
if (collection != null && collection.Count > 0)
{
connectionStringCollection = getConnectionStrings(collection.AllKeys, path);
}
if (connectionStringCollection == null)
{
connectionStringCollection = new ConnectionStringSettingsCollection();
}
rwLock.ExitWriteLock();
}
catch
{
throw;
}
}
static DefaultConnectionString()
{
try
{
var collection = DALBootstrap.ConnectionStringKeys;
if (collection == null || collection.Count < 1)
{
throw new DalException("Missing DataConnection.ConnectionStrings.");
}
//这里原来的意思是从一个固定的地址去根据逻辑数据库名(key)去读真实的连接字符串
String path = DALBootstrap.GetConnectionLocatorPath();
if (String.IsNullOrEmpty(path))
{
//默认是从config文件里面去读取
connectionStringCollection = loadFronBootstrapConfig(collection);
return;
}
//从指定的路径文件里面读取的
rwLock.EnterWriteLock();
connectionStringCollection = getConnectionStrings(collection.AllKeys, path);
if (connectionStringCollection == null)
{
connectionStringCollection = new ConnectionStringSettingsCollection();
}
rwLock.ExitWriteLock();
}
catch
{
throw;
}
}