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Copy pathBaseEntity.cs
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109 lines (91 loc) · 3.17 KB
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
namespace SmartStore.Core
{
/// <summary>
/// Base class for entities
/// </summary>
[DataContract]
public abstract partial class BaseEntity
{
/// <summary>
/// Gets or sets the entity identifier
/// </summary>
[DataMember]
public int Id { get; set; }
public override bool Equals(object obj)
{
return Equals(obj as BaseEntity);
}
private static bool IsTransient(BaseEntity obj)
{
return obj != null && Equals(obj.Id, default(int));
}
private Type GetUnproxiedType()
{
return GetType();
}
public virtual bool Equals(BaseEntity other)
{
if (other == null)
return false;
if (ReferenceEquals(this, other))
return true;
if (!IsTransient(this) &&
!IsTransient(other) &&
Equals(Id, other.Id))
{
var otherType = other.GetUnproxiedType();
var thisType = GetUnproxiedType();
return thisType.IsAssignableFrom(otherType) ||
otherType.IsAssignableFrom(thisType);
}
return false;
}
public override int GetHashCode()
{
if (Equals(Id, default(int)))
return base.GetHashCode();
return Id.GetHashCode();
}
public static bool operator ==(BaseEntity x, BaseEntity y)
{
return Equals(x, y);
}
public static bool operator !=(BaseEntity x, BaseEntity y)
{
return !(x == y);
}
protected virtual void SetParent(dynamic child)
{
}
protected virtual void SetParentToNull(dynamic child)
{
}
protected void ChildCollectionSetter<T>(ICollection<T> collection, ICollection<T> newCollection) where T : class
{
if (CommonHelper.OneToManyCollectionWrapperEnabled)
{
collection.Clear();
if (newCollection != null)
newCollection.ToList().ForEach(x => collection.Add(x));
}
else
{
collection = newCollection;
}
}
protected ICollection<T> ChildCollectionGetter<T>(ref ICollection<T> collection, ref ICollection<T> wrappedCollection) where T : class
{
return ChildCollectionGetter(ref collection, ref wrappedCollection, SetParent, SetParentToNull);
}
protected ICollection<T> ChildCollectionGetter<T>(ref ICollection<T> collection, ref ICollection<T> wrappedCollection, Action<dynamic> setParent, Action<dynamic> setParentToNull) where T : class
{
if (CommonHelper.OneToManyCollectionWrapperEnabled)
return wrappedCollection ?? (wrappedCollection = (collection ?? (collection = new List<T>())).SetupBeforeAndAfterActions(setParent, SetParentToNull));
return collection ?? (collection = new List<T>());
}
}
}