/// <summary>
/// Build this instance.
/// </summary>
/// <returns>The build.</returns>
public DataContextOptions <TContext> Build()
{
var options = new DataContextOptions <TContext>();
BuildOptions(options);
return(options);
}
/// <summary>
/// Builds the options.
/// </summary>
/// <param name="options">Options.</param>
protected void BuildOptions(DataContextOptions options)
{
if (_func == null)
{
throw new LightDataException(SR.DataContextOptionsError);
}
var paramSet = new ConfigParamSet();
foreach (var item in _dict)
{
if (item.Value != null)
{
paramSet.SetParamValue(item.Key, item.Value);
}
}
var database = _func(Guid.NewGuid().ToString("N"), paramSet);
if (database == null)
{
throw new LightDataException(SR.DataContextOptionsError);
}
options.Connection = _connection;
options.Database = database;
options.CommandOutput = _commandOutput;
}
/// <summary>
/// Create the specified configuration.
/// </summary>
/// <returns>The create.</returns>
/// <param name="configuration">Configuration.</param>
public DataContextOptions <TContext> Create(DataContextConfiguration configuration)
{
var options = new DataContextOptions <TContext>();
BuildOptions(options, configuration);
return(options);
}
private void Internal_DataContextConfiguration(LightDataOptions optionList)
{
if (optionList != null && optionList.Connections != null && optionList.Connections.Length > 0)
{
foreach (var connection in optionList.Connections)
{
var setting = new ConnectionSetting()
{
Name = connection.Name,
ConnectionString = connection.ConnectionString,
ProviderName = connection.ProviderName
};
var configParam = new ConfigParamSet();
if (connection.ConfigParams != null && connection.ConfigParams.Count > 0)
{
foreach (var param in connection.ConfigParams)
{
configParam.SetParamValue(param.Key, param.Value);
}
}
setting.ConfigParam = configParam;
var options = DataContextOptions.CreateOptions(setting);
if (options != null)
{
if (defaultOptions == null)
{
defaultOptions = options;
}
optionsDict.Add(setting.Name, options);
}
}
}
}
internal static DataContextOptions CreateOptions(IConnectionSetting setting)
{
if (setting == null)
{
throw new ArgumentNullException(nameof(setting));
}
Type type;
string connection = setting.ConnectionString;
type = Type.GetType(setting.ProviderName, true);
if (type == null)
{
return(null);
}
DatabaseProvider dataBase = (DatabaseProvider)Activator.CreateInstance(type, setting.Name, setting.ConfigParam) as DatabaseProvider;
if (dataBase == null)
{
throw new LightDataException(string.Format(SR.TypeIsNotDatabaseType, type.FullName));
}
DataContextOptions contextOptions = new DataContextOptions()
{
Connection = connection,
Database = dataBase
};
return(contextOptions);
}
void BuildOptions(DataContextOptions options, DataContextConfiguration configuration)
{
DataContextOptions baseOptions = null;
if (_configName == null)
{
baseOptions = configuration.DefaultOptions;
}
else
{
baseOptions = configuration.GetOptions(_configName);
}
options.Database = baseOptions.Database;
options.Connection = baseOptions.Connection;
options.CommandOutput = _commandOutput;
}
internal LCollection(DataContext context, object owner, QueryExpression query, string[] fieldPaths)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (owner == null)
{
throw new ArgumentNullException(nameof(owner));
}
if (query == null)
{
throw new ArgumentNullException(nameof(query));
}
options = context.Options;
output = context.Output;
this.owner = owner;
this.query = query;
this.fieldPaths = fieldPaths;
}
/// <summary>
///
/// </summary>
/// <param name="options"></param>
public LightDataContextFactory(DataContextOptions <DataContext> options) : base(options)
{
}
/// <summary>
///
/// </summary>
/// <param name="options"></param>
public DataContextFactory(DataContextOptions <TContxt> options)
{
this.options = options;
}
