/// <summary>
/// 尝试读取目标对象指定成员的值，处理基础类型、特殊类型、基础类型数组、特殊类型数组，通过委托方法处理成员
/// </summary>
/// <remarks>
/// 简单类型在value中返回，复杂类型直接填充target；
/// </remarks>
/// <param name="reader">读取器</param>
/// <param name="target">目标对象</param>
/// <param name="member">成员</param>
/// <param name="type">成员类型，以哪一种类型读取</param>
/// <param name="encodeInt">是否编码整数</param>
/// <param name="allowNull">是否允许空</param>
/// <param name="isProperty">是否处理属性</param>
/// <param name="value">成员值</param>
/// <param name="callback">处理成员的方法</param>
/// <returns>是否读取成功</returns>
protected virtual Boolean ReadMember(BinaryReaderX reader, Object target, MemberInfoX member, Type type, Boolean encodeInt, Boolean allowNull, Boolean isProperty, out Object value, BinaryReaderX.ReadCallback callback)
{
if (type == null) type = member.Type;
// 接口支持
if (typeof(IBinaryAccessor).IsAssignableFrom(type))
{
// 读取对象
value = member.GetValue(target);
// 实例化对象
if (value == null)
{
//value = Activator.CreateInstance(member.Type);
value = CreateInstance(type);
//member.SetValue(target, value);
}
if (value == null) return false;
// 调用接口
IBinaryAccessor accessor = value as IBinaryAccessor;
accessor.Read(reader);
return true;
}
return reader.TryReadObject(target, member, type, encodeInt, true, isProperty, out value, callback);
}
private static Boolean ReadMember(BinaryReaderX reader, Object target, MemberInfoX member, Type type, Boolean encodeInt, Boolean allowNull, Boolean isProperty, out Object value, ReadCallback callback)
{
// 使用自己作为处理成员的方法
return reader.TryReadObject(target, member, type, encodeInt, allowNull, isProperty, out value, callback);
}
/// <summary>
/// 反序列化
/// </summary>
/// <param name="stream"></param>
/// <returns></returns>
public static Message Deserialize(Stream stream)
{
BinaryReaderX reader = new BinaryReaderX(stream);
// 读取了响应类型和消息类型后，动态创建消息对象
//Int32 id = reader.ReadEncodedInt32();
Int32 id = reader.ReadByte();
if (id <= 0) throw new InvalidDataException("无效的消息唯一编码" + id);
Message msg = MessageHandler.CreateMessage(id);
msg.Read(reader);
if (id != msg.ID) throw new InvalidDataException("反序列化后的消息唯一编码不匹配。");
return msg;
}
/// <summary>
/// 尝试读取目标对象指定成员的值，处理基础类型、特殊类型、基础类型数组、特殊类型数组，通过委托方法处理成员
/// </summary>
/// <remarks>
/// 简单类型在value中返回，复杂类型直接填充target；
/// </remarks>
/// <param name="reader">读取器</param>
/// <param name="target">目标对象</param>
/// <param name="member">成员</param>
/// <param name="type">成员类型，以哪一种类型读取</param>
/// <param name="encodeInt">是否编码整数</param>
/// <param name="allowNull">是否允许空</param>
/// <param name="isProperty">是否处理属性</param>
/// <param name="value">成员值</param>
/// <param name="callback">处理成员的方法</param>
/// <returns>是否读取成功</returns>
protected override Boolean ReadMember(BinaryReaderX reader, object target, MemberInfoX member, Type type, bool encodeInt, bool allowNull, bool isProperty, out object value, BinaryReaderX.ReadCallback callback)
{
if (member.Member.Name != "_Entity")
return base.ReadMember(reader, target, member, type, encodeInt, allowNull, isProperty, out value, callback);
else
return base.ReadMember(reader, target, member, EntityType, encodeInt, allowNull, isProperty, out value, callback);
}
/// <summary>
/// 从读取器中读取数据到对象
/// </summary>
/// <param name="reader">读取器</param>
public virtual void Read(BinaryReaderX reader)
{
//Read(this, reader, true, true, false);
Object value = null;
reader.TryReadObject(this, TypeX.Create(this.GetType()), null, true, false, false, out value, ReadMember);
}