internal EntityQueryBuilder(ISyntaxProvider syntax, EntityPersistentEnvironment environment, Type entityType)
{
m_builder = new StringBuilder();
m_syntax = syntax;
m_environment = environment;
m_entityType = entityType;
m_metadata = EntityMetadataUnity.GetEntityMetadata(m_entityType);
}
/// <summary>
/// 构造实体对象。
/// </summary>
/// <param name="entity">实体对象。</param>
/// <param name="properties">属性数组。</param>
/// <param name="values">值数组。</param>
/// <param name="instanceName"></param>
/// <param name="environment"></param>
/// <returns></returns>
private static IEntity ConstructEntity(IEntity entity, IProperty[] properties, PropertyValue[] values,
string instanceName, EntityPersistentEnvironment environment)
{
entity.As <ISupportInitializeNotification>(s => s.BeginInit());
//循环所有属性进行赋值
for (int i = 0, n = properties.Length; i < n; i++)
{
entity.InitializeValue(properties[i], values[i]);
}
//设置状态
entity.SetState(EntityState.Unchanged);
//设置 InstanceName 和 Environment
entity.InitializeEnvironment(environment).InitializeInstanceName(instanceName);
entity.As <ISupportInitializeNotification>(s => s.EndInit());
return(entity);
}
internal EntityQueryBuilder(ISyntaxProvider syntax, EntityPersistentEnvironment environment, Type entityType, ParameterCollection parameters)
: this(syntax, environment, entityType)
{
m_parameters = parameters;
}
