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ServerCommon/Entity/Attribute/PartyInstanceAttribute.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+
+using Google.Protobuf.WellKnownTypes;
+
+
+using ServerCore; using ServerBase;
+using ServerCommon.Cache;
+
+
+namespace ServerCommon;
+
+
+public class PartyInstanceAttribute : EntityAttributeBase, ICopyEntityAttributeFromCache
+{
+    public int InstanceId { get; set; } = 0;
+    public string RoomId { get; set; } = string.Empty;
+    public Timestamp StartTime { get; set; } = new();
+    public Timestamp EndTime { get; set; } = new();
+    public int JoinMemberCount { get; set; } = 0;
+
+    public PartyInstanceAttribute(EntityBase owner) : base(owner)
+    {
+    }
+
+    public override void onClear()
+    {
+        InstanceId = 0;
+        RoomId = string.Empty;
+        StartTime = DateTimeHelper.MinTime.ToTimestamp();
+        EndTime = DateTimeHelper.MinTime.ToTimestamp();
+        JoinMemberCount = 0;
+    }
+
+    public override EntityAttributeBase onCloned()
+    {
+        var cloned = new PartyInstanceAttribute(getOwner())
+        {
+            InstanceId = InstanceId,
+            RoomId = RoomId,
+            StartTime = StartTime,
+            EndTime = EndTime,
+            JoinMemberCount = JoinMemberCount
+        };
+
+        return cloned;
+    }
+    
+    public bool copyEntityAttributeFromCache(CacheBase? cacheBase)
+    {
+        var party_instance_cache = cacheBase as PartyInstanceCache;
+        if(null == party_instance_cache)
+        {
+            var err_msg = $"Failed to copyEntityAttributeFromCache() !!!, party_cache is null :{nameof(PartyInstanceCache)}";
+            Log.getLogger().error(err_msg);
+            return false;
+        }
+
+        //=====================================================================================
+        // Cache => Attribute
+        //=====================================================================================
+        InstanceId = party_instance_cache.InstanceId;
+        RoomId = party_instance_cache.RoomId;
+        StartTime = party_instance_cache.StartTime;
+        EndTime = party_instance_cache.EndTime;
+        JoinMemberCount = party_instance_cache.JoinMemberCount;
+
+        return true;
+    }
+    
+    public override IEntityAttributeTransactor onNewEntityAttributeTransactor()
+    {
+        return new PartyInstanceAttributeTransactor(getOwner());
+    }
+
+    public override async Task<(Result, DynamoDbDocBase?)> toDocBase(bool isForQuery = true)
+    {
+        await Task.CompletedTask;
+
+        return (new Result(), null);
+    }
+}
+
+public class PartyInstanceAttributeTransactor : EntityAttributeTransactorBase<PartyInstanceAttribute>, ICopyEntityAttributeTransactorFromEntityAttribute
+{
+    public PartyInstanceAttributeTransactor(EntityBase owner) : base(owner) 
+    { 
+    }
+
+    public bool copyEntityAttributeTransactorFromEntityAttribute(EntityAttributeBase entityAttributeBase)
+    {
+        string err_msg;
+
+        var copy_from_party_instance_attribute = entityAttributeBase as PartyInstanceAttribute;
+        if (null == copy_from_party_instance_attribute)
+        {
+            err_msg = $"Failed to copyEntityAttributeTransactorFromEntityAttribute() !!!, copy_from_party_instance_attribute is null :{nameof(PartyInstanceAttribute)}";
+            Log.getLogger().error(err_msg);
+            return false;
+        }
+
+        var copy_to_party_instance_attribute = getClonedEntityAttribute() as PartyInstanceAttribute;
+        if (null == copy_to_party_instance_attribute)
+        {
+            err_msg = $"Failed to copyEntityAttributeTransactorFromEntityAttribute() !!!, copy_to_party_instance_attribute is null :{nameof(PartyInstanceAttribute)}";
+            Log.getLogger().error(err_msg);
+            return false;
+        }
+
+        copy_to_party_instance_attribute.InstanceId = copy_from_party_instance_attribute.InstanceId;
+        copy_to_party_instance_attribute.RoomId = copy_from_party_instance_attribute.RoomId;
+        copy_to_party_instance_attribute.StartTime = copy_from_party_instance_attribute.StartTime;
+        copy_to_party_instance_attribute.EndTime = copy_from_party_instance_attribute.EndTime;
+        copy_to_party_instance_attribute.JoinMemberCount = copy_from_party_instance_attribute.JoinMemberCount;
+        
+        return true;
+    }
+}