109 lines
2.7 KiB
C#
109 lines
2.7 KiB
C#
using Microsoft.Azure.CosmosDB.Table;
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using Newtonsoft.Json;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace webapi.Domain.SeedWork
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{
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public abstract class Entity: TableEntity
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{
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int? _requestedHashCode;
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Guid _id;
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//public virtual int Id
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//{
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// get
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// {
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// return _Id;
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// }
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// protected set
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// {
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// _Id = value;
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// }
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//}
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public Guid Id
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{
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get { return _id; }
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set
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{
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_id = value;
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RowKey = value.ToString();
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}
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}
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private List<INotification> _domainEvents;
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[JsonIgnore]
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public IReadOnlyCollection<INotification> DomainEvents => _domainEvents?.AsReadOnly();
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public void AddDomainEvent(INotification eventItem)
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{
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_domainEvents = _domainEvents ?? new List<INotification>();
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_domainEvents.Add(eventItem);
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}
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public void RemoveDomainEvent(INotification eventItem)
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{
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_domainEvents?.Remove(eventItem);
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}
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public void ClearDomainEvents()
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{
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_domainEvents?.Clear();
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}
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public bool IsTransient()
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{
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return Guid.Empty.Equals(this.Id);
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}
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public override bool Equals(object obj)
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{
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if (obj == null || !(obj is Entity))
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return false;
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if (Object.ReferenceEquals(this, obj))
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return true;
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if (this.GetType() != obj.GetType())
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return false;
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Entity item = (Entity)obj;
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if (item.IsTransient() || this.IsTransient())
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return false;
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else
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return item.Id == this.Id;
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}
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public override int GetHashCode()
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{
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if (!IsTransient())
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{
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if (!_requestedHashCode.HasValue)
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_requestedHashCode = this.Id.GetHashCode() ^ 31; // XOR for random distribution (http://blogs.msdn.com/b/ericlippert/archive/2011/02/28/guidelines-and-rules-for-gethashcode.aspx)
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return _requestedHashCode.Value;
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}
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else
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return base.GetHashCode();
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}
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public static bool operator ==(Entity left, Entity right)
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{
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if (Object.Equals(left, null))
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return (Object.Equals(right, null)) ? true : false;
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else
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return left.Equals(right);
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}
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public static bool operator !=(Entity left, Entity right)
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{
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return !(left == right);
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}
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}
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}
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