public virtual void Init(IObjectService objectService, IDataStorageSetting setting, IConnectionStringSetting connectionStringSetting)
{
this.ObjectService = objectService;
this.Setting = setting;
this.ConnectionStringSetting = connectionStringSetting;
this.DataProviderFactory = this.GetDbProviderFactory(this.ConnectionStringSetting);
this.CheckDataProviderFactory();
}
protected override DbProviderFactory GetDbProviderFactory(IConnectionStringSetting connectionString)
{
var type = typeof(T);
var field = type.GetField("Instance");
if (field == null)
{
throw new DataException($"未能找到类型为 {type.FullName} 的静态字段：Instance");
}
var instance = field.GetValue(null) as DbProviderFactory;
return(instance);
}
protected override DbProviderFactory GetDbProviderFactory(IConnectionStringSetting connectionString)
{
return(SqlClientFactory.Instance);
}
protected abstract DbProviderFactory GetDbProviderFactory(IConnectionStringSetting connectionString);
