public EntityGenerator(GenerateOption option)
{
this._option = option;
Logger.Level = option.LoggerLevel;
// 硬编码；也可以将数据库实现分离到单独的程序集，然后反射装载
switch (_option.DbType.ToLower())
{
case "mysql":
_tableSelector = new MySQL.MySqlTableSelector(_option);
break;
case "mssql":
_tableSelector = new MsSQL.MsSqlTableSelector(_option);
break;
default:
throw new Exception("暂不支持数据库：" + _option.DbType);
}
if (!Directory.Exists(option.OutDirectory))
{
try
{
Directory.CreateDirectory(option.OutDirectory);
}
catch (Exception ex)
{
throw new Exception("无法创建输出目录", ex);
}
}
}
public bool TryCreateTable(ITableSelector selector, out ITableConfig table)
{
table = Factories.Table.Create(this, selector);
if (!TableValidator.Validate(table))
{
return(false);
}
table = this.Tables.AddOrUpdate(table.Identifier, table);
this.Configure(table);
return(true);
}
public ITableConfig GetTable(ITableSelector selector)
{
var existing = default(ITableConfig);
var table = Factories.Table.Create(this, selector);
if (!this.Tables.TryGetValue(table.Identifier, out existing) || !TableComparer.TableConfig.Equals(table, existing))
{
return(default(ITableConfig));
}
return(existing);
}
public ITableConfig CreateTable(ITableSelector selector)
{
var table = Factories.Table.Create(this, selector);
if (!TableValidator.Validate(table))
{
throw new InvalidOperationException(string.Format("Table has invalid configuration: {0}", table));
}
table = this.Tables.AddOrUpdate(table.Identifier, table);
this.Configure(table);
return(table);
}
public ITableConfig Create(IConfig config, ITableSelector selector)
{
switch (selector.SelectorType)
{
case TableSelectorType.TableName:
return(this.Create(config, selector.Identifier, selector.TableName, selector.Flags));
case TableSelectorType.TableType:
return(this.Create(config, selector.Identifier, selector.TableType, selector.Flags));
case TableSelectorType.Mapping:
return(this.Create(config, selector.Identifier, selector.LeftTable, selector.RightTable, selector.Flags));
default:
throw new NotImplementedException();
}
}