It is usually a recommended practice to have Value-Object base-class so we can have common functionality which can be used by all of our value-object classes. Typically, comparison methods or any other common subject for Value-Objects, should be included here.<\/p>\n
Below I show a sample Value-Object Base-Class:<\/p>\n
public class ValueObject<TValueObject><\/span><\/strong> : IEquatable<TValueObject>
where TValueObject : ValueObject<TValueObject>
{<\/pre>\n
public bool Equals(<\/strong>TValueObject other)
{
if ((object)other == null)
return false;
\/\/compare all public properties
PropertyInfo[] publicProperties = this.GetType().GetProperties();
if ((object)publicProperties != null
&&
publicProperties.Any())
{
bool result = true;
foreach (var item in publicProperties)
{
\/\/compare two values using default equatable method
if (!item.GetValue(this, null).Equals(item.GetValue(other, null)))
{
result = false;
break;
}
}
return result;
}
else
return true;
}
public override bool Equals(<\/strong>object obj)
{
if ((object)obj == null)
return false;
ValueObject<TValueObject> item = obj as ValueObject<TValueObject>;
if ((object)item != null)
return Equals((TValueObject)item);
else
return false;
}
public override int GetHashCode()<\/strong>
{
int hashCode = 31;
bool changeMultiplier = false;
int index = 1;
\/\/compare all public properties
PropertyInfo[] publicProperties = this.GetType().GetProperties();
if ((object)publicProperties != null
&&
publicProperties.Any())
{
foreach (var item in publicProperties)
{
object value = item.GetValue(this, null);
if ((object)value != null)
{
hashCode = hashCode * ((changeMultiplier) ? 59 : 114) + value.GetHashCode();
changeMultiplier = !changeMultiplier;
}
else
hashCode = hashCode ^ (index * 13);\/\/only for support {\"a\",null,null,\"a\"} <> {null,\"a\",\"a\",null}
}
}
return hashCode;
}
public static bool operator ==<\/span><\/strong>(ValueObject<TValueObject> x, ValueObject<TValueObject> y)
{
\/\/ If both are null, or both are same instance, return true.
if (System.Object.ReferenceEquals(x, y))
{
return true;
}
\/\/ If one is null, but not both, return false.
if (((object)x == null) || ((object)y == null))
{
return false;
}
\/\/ Return true if the fields match:
return x.Equals(y);
}
public static bool operator !=<\/strong><\/span>(ValueObject<TValueObject> x, ValueObject<TValueObject> y)
{
return !(x == y);
}
}<\/pre>\n","protected":false},"excerpt":{"rendered":"It is usually a recommended practice to have Value-Object base-class so we can have common functionality which can be used by all of our value-object classes. Typically, comparison methods or any other common subject for Value-Objects, should be included here. Below I show a sample Value-Object Base-Class: public class ValueObject<TValueObject> : IEquatable<TValueObject> where TValueObject : […]<\/p>\n","protected":false},"author":362,"featured_media":12806,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[5,41],"class_list":["post-493","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cesardelatorre","tag-net-4-0","tag-ddd"],"acf":[],"blog_post_summary":"
It is usually a recommended practice to have Value-Object base-class so we can have common functionality which can be used by all of our value-object classes. Typically, comparison methods or any other common subject for Value-Objects, should be included here. Below I show a sample Value-Object Base-Class: public class ValueObject<TValueObject> : IEquatable<TValueObject> where TValueObject : […]<\/p>\n","_links":{"self":[{"href":"https:\/\/devblogs.microsoft.com\/cesardelatorre\/wp-json\/wp\/v2\/posts\/493","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/devblogs.microsoft.com\/cesardelatorre\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/devblogs.microsoft.com\/cesardelatorre\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/cesardelatorre\/wp-json\/wp\/v2\/users\/362"}],"replies":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/cesardelatorre\/wp-json\/wp\/v2\/comments?post=493"}],"version-history":[{"count":0,"href":"https:\/\/devblogs.microsoft.com\/cesardelatorre\/wp-json\/wp\/v2\/posts\/493\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/cesardelatorre\/wp-json\/wp\/v2\/media\/12806"}],"wp:attachment":[{"href":"https:\/\/devblogs.microsoft.com\/cesardelatorre\/wp-json\/wp\/v2\/media?parent=493"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/cesardelatorre\/wp-json\/wp\/v2\/categories?post=493"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/cesardelatorre\/wp-json\/wp\/v2\/tags?post=493"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}