public EntityContext(string connectionStringName)
{
_helper = Xinchen.DbEntity.DbHelper.GetInstance(connectionStringName);
_properties = this.GetType().GetProperties();
_entitySets = new Dictionary <Type, object>();
foreach (var property in _properties.Where(x => x.PropertyType.IsGenericType && x.PropertyType.FullName.StartsWith("Xinchen.DbEntity.EntitySet")))
{
object entitySet = Activator.CreateInstance(property.PropertyType, connectionStringName);
property.SetValue(this, entitySet, null);
_entitySets.Add(property.PropertyType.GetGenericArguments()[0], entitySet);
}
}
public EntitySet(EntityContext context)
{
this._helper = Xinchen.DbEntity.DbHelper.GetInstance(context.DbHelper.ConnectionString);
this._entityType = typeof(TEntity);
this._entityMapper = new EntityMapper <TEntity>();
this._properties = this._entityMapper.Properties;
this._propertyNames = new string[this._properties.Length];
this._propertyDict = new Dictionary <string, PropertyInfo>();
for (int i = 0; i < this._properties.Length; i++)
{
this._propertyNames[i] = "[" + this._properties[i].Name + "]";
this._propertyDict.Add(this._properties[i].Name, this._properties[i]);
}
this._tableAttr = (TableAttribute)this._entityType.GetCustomAttributes(EntitySet <TEntity> ._tableAttrType, true).FirstOrDefault <object>();
this._keyProperty = this._properties.FirstOrDefault <PropertyInfo>(propertyInfo => AttributeHelper.GetAttribute <KeyAttribute>(propertyInfo) != null);
if (this._keyProperty == null)
{
throw new EntityException("实体没有主键:" + TypeName);
}
this._autoIncrementProperty = this._properties.FirstOrDefault <PropertyInfo>(x => AttributeHelper.GetAttribute <AutoIncrementAttribute>(x) != null);
}
