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[增加]1. 增加数据对象的Hash计算判断
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2 files changed

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-151
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‎GameFrameX.DataBase/BaseCacheState.cs‎

Lines changed: 167 additions & 150 deletions
Original file line numberDiff line numberDiff line change
@@ -1,151 +1,168 @@
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using GameFrameX.DataBase.Abstractions;
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using GameFrameX.DataBase.Storage;
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using GameFrameX.Foundation.Json;
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using MongoDB.Entities;
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namespace GameFrameX.DataBase;
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/// <summary>
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/// 缓存数据对象
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/// </summary>
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public abstract class BaseCacheState : ICacheState, IEntity
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{
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/// <summary>
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/// 唯一ID
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/// </summary>
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public virtual long Id { get; set; }
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/// <summary>
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/// 获取数据对象是否修改
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/// </summary>
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public virtual bool IsModify()
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{
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return IsChanged().isChanged;
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}
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/// <summary>
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/// 是否删除
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/// </summary>
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public virtual bool IsDeleted { get; set; }
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/// <summary>
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/// 删除时间
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/// </summary>
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public virtual long DeleteTime { get; set; }
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/// <summary>
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/// 创建人
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/// </summary>
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public virtual long CreateId { get; set; }
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/// <summary>
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/// 创建时间
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/// </summary>
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public virtual long CreateTime { get; set; }
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/// <summary>
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/// 更新次数
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/// </summary>
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public virtual int UpdateCount { get; set; }
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/// <summary>
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/// 更新时间
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/// </summary>
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public virtual long UpdateTime { get; set; }
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/// <summary>
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/// </summary>
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/// <returns></returns>
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public override string ToString()
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{
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return JsonHelper.Serialize(this);
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}
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#region hash
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private StateHash _stateHash;
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/// <summary>
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/// 用于在对象从数据库加载后进行一些特定的处理，如初始化数据或设置状态。
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/// </summary>
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/// <param name="isNew"></param>
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public virtual void LoadFromDbPostHandler(bool isNew)
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{
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_stateHash = new StateHash(this, isNew);
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}
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/// <summary>
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/// 是否修改
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/// </summary>
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/// <returns></returns>
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public virtual (bool isChanged, byte[] data) IsChanged()
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{
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return _stateHash.IsChanged();
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}
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/// <summary>
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/// 是否由ID引起的变化
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/// </summary>
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/// <returns></returns>
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public virtual (bool isChanged, long stateId, byte[] data) IsChangedWithId()
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{
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var res = _stateHash.IsChanged();
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return (res.Item1, Id, res.Item2);
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}
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/// <summary>
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/// 仅DBModel.Mongodb时调用
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/// </summary>
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public virtual void BeforeSaveToDb()
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{
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// var db = GameDb.As<RocksDBConnection>().CurDataBase;
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// var table = db.GetTable<SaveTimestamp>();
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// var saveState = new SaveTimestamp
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// {
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// //此处使用UTC时间
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// Timestamp = TimeUtils.CurrentTimeMillisUTC(),
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// StateName = GetType().FullName,
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// StateId = Id.ToString(),
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// };
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// table.Set(saveState.Key, saveState);
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}
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/// <summary>
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/// 在对象保存到数据库后调用的方法，可以进行一些后续处理。
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/// </summary>
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public void SaveToDbPostHandler()
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{
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_stateHash.SaveToDbPostHandler();
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}
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/// <summary>
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/// 将对象序列化转换为字节数组
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/// </summary>
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/// <returns></returns>
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public abstract byte[] ToBytes();
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#endregion
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/// <summary>
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/// Generate and return a new ID from this method. It will be used when saving new entities that don't have their ID set.
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/// I.e. if an entity has a default ID value (determined by calling <see cref="M:MongoDB.Entities.IEntity.HasDefaultID" /> method),
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/// this method will be called for obtaining a new ID value. If you're not doing custom ID generation, simply do
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/// <c>return ObjectId.GenerateNewId().ToString()</c>
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/// </summary>
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public object GenerateNewID()
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{
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throw new NotImplementedException();
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}
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/// <summary>
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/// When saving entities, this method will be called in order to determine if <see cref="M:MongoDB.Entities.IEntity.GenerateNewID" /> needs to be called.
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/// If this method returns <c>'true'</c>, <see cref="M:MongoDB.Entities.IEntity.GenerateNewID" /> method is called and the ID (primary key) of the entity is populated.
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/// If <c>'false'</c> is returned, it is assumed that ID generation is not required and the entity already has a non-default ID value.
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/// </summary>
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public bool HasDefaultID()
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{
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return Id == 0;
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}
1+
using GameFrameX.DataBase.Abstractions;
2+
using GameFrameX.DataBase.Storage;
3+
using GameFrameX.Foundation.Json;
4+
using GameFrameX.Utility.Extensions;
5+
using MongoDB.Entities;
6+
7+
namespace GameFrameX.DataBase;
8+
9+
/// <summary>
10+
/// 缓存数据对象
11+
/// </summary>
12+
public abstract class BaseCacheState : ICacheState, IEntity
13+
{
14+
/// <summary>
15+
/// 唯一ID
16+
/// </summary>
17+
public virtual long Id { get; set; }
18+
19+
/// <summary>
20+
/// 获取数据对象是否修改
21+
/// </summary>
22+
public virtual bool IsModify()
23+
{
24+
return IsChanged().isChanged;
25+
}
26+
27+
/// <summary>
28+
/// 是否删除
29+
/// </summary>
30+
public virtual bool IsDeleted { get; set; }
31+
32+
/// <summary>
33+
/// 删除时间
34+
/// </summary>
35+
public virtual long DeleteTime { get; set; }
36+
37+
/// <summary>
38+
/// 创建人
39+
/// </summary>
40+
public virtual long CreateId { get; set; }
41+
42+
/// <summary>
43+
/// 创建时间
44+
/// </summary>
45+
public virtual long CreateTime { get; set; }
46+
47+
/// <summary>
48+
/// 更新次数
49+
/// </summary>
50+
public virtual int UpdateCount { get; set; }
51+
52+
/// <summary>
53+
/// 更新时间
54+
/// </summary>
55+
public virtual long UpdateTime { get; set; }
56+
57+
/// <summary>
58+
/// </summary>
59+
/// <returns></returns>
60+
public override string ToString()
61+
{
62+
return JsonHelper.Serialize(this);
63+
}
64+
65+
#region hash
66+
67+
private StateHash _stateHash;
68+
69+
70+
/// <summary>
71+
/// 用于在对象从数据库加载后进行一些特定的处理，如初始化数据或设置状态。
72+
/// </summary>
73+
/// <param name="isNew">是否是新创建的实例，true表示是新创建的实例，false表示不是</param>
74+
public virtual void LoadFromDbPostHandler(bool isNew = false)
75+
{
76+
_stateHash = new StateHash(this, isNew);
77+
}
78+
79+
/// <summary>
80+
/// 是否修改
81+
/// </summary>
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/// <returns></returns>
83+
public virtual (bool isChanged, byte[] data) IsChanged()
84+
{
85+
CheckStateHash();
86+
return _stateHash.IsChanged();
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}
88+
89+
/// <summary>
90+
/// 是否由ID引起的变化
91+
/// </summary>
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/// <returns></returns>
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public virtual (bool isChanged, long stateId, byte[] data) IsChangedWithId()
94+
{
95+
CheckStateHash();
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var res = _stateHash.IsChanged();
97+
return (res.Item1, Id, res.Item2);
98+
}
99+
100+
/// <summary>
101+
/// 仅DBModel.Mongodb时调用
102+
/// </summary>
103+
public virtual void BeforeSaveToDb()
104+
{
105+
// var db = GameDb.As<RocksDBConnection>().CurDataBase;
106+
// var table = db.GetTable<SaveTimestamp>();
107+
// var saveState = new SaveTimestamp
108+
// {
109+
// //此处使用UTC时间
110+
// Timestamp = TimeUtils.CurrentTimeMillisUTC(),
111+
// StateName = GetType().FullName,
112+
// StateId = Id.ToString(),
113+
// };
114+
// table.Set(saveState.Key, saveState);
115+
}
116+
117+
118+
/// <summary>
119+
/// 在对象保存到数据库后调用的方法，可以进行一些后续处理。
120+
/// </summary>
121+
public void SaveToDbPostHandler()
122+
{
123+
CheckStateHash();
124+
_stateHash.SaveToDbPostHandler();
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}
126+
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/// <summary>
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/// 检查StateHash对象是否存在
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/// </summary>
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private void CheckStateHash()
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{
132+
if (_stateHash.IsNotNull())
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{
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return;
135+
}
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LoadFromDbPostHandler(false);
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}
139+
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/// <summary>
141+
/// 将对象序列化转换为字节数组
142+
/// </summary>
143+
/// <returns></returns>
144+
public abstract byte[] ToBytes();
145+
146+
#endregion
147+
148+
/// <summary>
149+
/// Generate and return a new ID from this method. It will be used when saving new entities that don't have their ID set.
150+
/// I.e. if an entity has a default ID value (determined by calling <see cref="M:MongoDB.Entities.IEntity.HasDefaultID" /> method),
151+
/// this method will be called for obtaining a new ID value. If you're not doing custom ID generation, simply do
152+
/// <c>return ObjectId.GenerateNewId().ToString()</c>
153+
/// </summary>
154+
public object GenerateNewID()
155+
{
156+
throw new NotImplementedException();
157+
}
158+
159+
/// <summary>
160+
/// When saving entities, this method will be called in order to determine if <see cref="M:MongoDB.Entities.IEntity.GenerateNewID" /> needs to be called.
161+
/// If this method returns <c>'true'</c>, <see cref="M:MongoDB.Entities.IEntity.GenerateNewID" /> method is called and the ID (primary key) of the entity is populated.
162+
/// If <c>'false'</c> is returned, it is assumed that ID generation is not required and the entity already has a non-default ID value.
163+
/// </summary>
164+
public bool HasDefaultID()
165+
{
166+
return Id == 0;
167+
}
151168
}

‎GameFrameX.DataBase/Storage/StateHash.cs‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -9,7 +9,7 @@ namespace GameFrameX.DataBase.Storage;
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/// </summary>
1010
internal sealed class StateHash
1111
{
12-
public StateHash(BaseCacheState state, bool isNew)
12+
public StateHash(BaseCacheState state, bool isNew = false)
1313
{
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State = state;
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if (!isNew)

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