private static void ProcessManagedProperties(Type type, PersistanceTableInfo table, EntityMeta em)
{
foreach (var property in em.EntityProperties)
{
var meta = property.ColumnMeta;
if (meta == null)
{
continue;
}
var propertyName = property.Name;
//生成 ManagedPropertyBridge
var epm = em.Property(propertyName);
if (epm == null)
{
throw new ArgumentNullException(string.Format("{0}.{1} 属性需要使用托管属性进行编写。", type.FullName, propertyName));
}
var column = new PersistanceColumnInfo(epm, meta, table);
if (meta.IsPrimaryKey)
{
table.PKColumn = column;
}
table.Columns.Add(column);
}
}
/// <summary>
/// 为某个指定的仓库对象构造一个 DbTable
/// </summary>
/// <param name="repo"></param>
/// <returns></returns>
internal static IPersistanceTableInfo CreateTableInfo(IRepositoryInternal repo)
{
var em = repo.EntityMeta;
if (em.TableMeta == null)
{
throw new ORMException(string.Format("类型 {0} 没有映射数据库，无法为其创造 ORM 运行时对象。", em.EntityType.FullName));
}
var res = new PersistanceTableInfo(repo);
ProcessManagedProperties(em.EntityType, res, em);
return res;
}
/// <summary>
/// 为某个指定的仓库对象构造一个 DbTable
/// </summary>
/// <param name="repo"></param>
/// <returns></returns>
internal static IPersistanceTableInfo CreateTableInfo(IRepositoryInternal repo)
{
var em = repo.EntityMeta;
if (em.TableMeta == null)
{
throw new ORMException(string.Format("类型 {0} 没有映射数据库，无法为其创造 ORM 运行时对象。", em.EntityType.FullName));
}
var res = new PersistanceTableInfo(repo);
ProcessManagedProperties(em.EntityType, res, em);
return(res);
}
internal PersistanceColumnInfo(
string name,
EntityPropertyMeta propertyMeta,
ColumnMeta columnMeta,
PersistanceTableInfo table,
DbTypeConverter dbTypeConverter
)
{
this.Table = table;
this.Name = name;
this.Meta = columnMeta;
this.PropertyType = TypeHelper.IgnoreNullable(propertyMeta.PropertyType);
this.DbType = columnMeta.DbType ?? dbTypeConverter.FromClrType(this.PropertyType);
this.Property = propertyMeta.ManagedProperty as IProperty;
}
private static void ProcessManagedProperties(Type type, PersistanceTableInfo table, EntityMeta em)
{
foreach (var property in em.EntityProperties)
{
var meta = property.ColumnMeta;
if (meta == null)
{
continue;
}
var propertyName = property.Name;
//生成 ManagedPropertyBridge
var epm = em.Property(propertyName);
if (epm == null)
{
throw new ArgumentNullException(string.Format("{0}.{1} 属性需要使用托管属性进行编写。", type.FullName, propertyName));
}
var mp = epm.ManagedProperty as IProperty;
//列名
var columnName = meta.ColumnName;
if (string.IsNullOrWhiteSpace(columnName))
{
columnName = propertyName;
}
var column = new PersistanceColumnInfo
{
Table = table,
Name = columnName,
DataType = epm.PropertyType,
IsIdentity = meta.IsIdentity,
IsPrimaryKey = meta.IsPrimaryKey,
Property = mp
};
if (meta.IsPrimaryKey)
{
table.PKColumn = column;
}
table.Columns.Add(column);
}
}
/// <summary>
/// 为某个指定的仓库对象构造一个 DbTable
/// </summary>
/// <param name="repo"></param>
/// <returns></returns>
internal static IPersistanceTableInfo CreateTableInfo(IRepositoryInternal repo)
{
var em = repo.EntityMeta;
if (em.TableMeta == null)
{
throw new ORMException(string.Format("类型 {0} 没有映射数据库，无法为其创造 ORM 运行时对象。", em.EntityType.FullName));
}
var dbSetting = RdbDataProvider.Get(repo).DbSetting;
var identifierProvider = DbMigrationProviderFactory.GetIdentifierProvider(dbSetting.ProviderName);
var dbTypeConverter = DbMigrationProviderFactory.GetDbTypeConverter(dbSetting.ProviderName);
var name = identifierProvider.Prepare(repo.EntityMeta.TableMeta.TableName);
var res = new PersistanceTableInfo(name, repo);
ProcessManagedProperties(em.EntityType, res, em, identifierProvider, dbTypeConverter);
return(res);
}
private static void ProcessManagedProperties(Type type, PersistanceTableInfo table, EntityMeta em)
{
foreach (var property in em.EntityProperties)
{
var meta = property.ColumnMeta;
if (meta == null) continue;
var propertyName = property.Name;
//生成 ManagedPropertyBridge
var epm = em.Property(propertyName);
if (epm == null) { throw new ArgumentNullException(string.Format("{0}.{1} 属性需要使用托管属性进行编写。", type.FullName, propertyName)); }
var mp = epm.ManagedProperty as IProperty;
//列名
var columnName = meta.ColumnName;
if (string.IsNullOrWhiteSpace(columnName)) columnName = propertyName;
var column = new PersistanceColumnInfo
{
Table = table,
Name = columnName,
DataType = epm.PropertyType,
IsIdentity = meta.IsIdentity,
IsPrimaryKey = meta.IsPrimaryKey,
Property = mp
};
if (meta.IsPrimaryKey)
{
table.PKColumn = column;
}
table.Columns.Add(column);
}
}
public PersistanceColumnInfo(EntityPropertyMeta propertyMeta, ColumnMeta columnMeta, PersistanceTableInfo table)
{
_propertyMeta = propertyMeta;
_columnMeta = columnMeta;
this.Table = table;
this.DataType = propertyMeta.PropertyType;
this.IsIdentity = columnMeta.IsIdentity;
this.IsPrimaryKey = columnMeta.IsPrimaryKey;
this.Property = propertyMeta.ManagedProperty as IProperty;
}