/// <summary>
/// Returns a hash code for this instance.
/// </summary>
/// <returns>
/// A hash code for this instance, suitable for use in hashing algorithms and data structures like a hash table.
/// </returns>
public override int GetHashCode()
{
return(Isbn.GetHashCode() ^
Author.GetHashCode() ^
Title.GetHashCode() ^
Publisher.GetHashCode() ^
PublishingYear.GetHashCode() ^
PagesNumber.GetHashCode() ^
Price.GetHashCode());
}
public override int GetHashCode()
{
unchecked {
const int randomPrime = 397;
int hashCode = Id.GetHashCode();
hashCode = (hashCode * randomPrime) ^ (Name != null ? Name.GetHashCode() : 0);
hashCode = (hashCode * randomPrime) ^ (Author != null ? Author.GetHashCode() : 0);
hashCode = (hashCode * randomPrime) ^ (PublishingYear != null ? PublishingYear.GetHashCode() : 0);
hashCode = (hashCode * randomPrime) ^ (TimeInterval != null ? TimeInterval.GetHashCode() : 0);
hashCode = (hashCode * randomPrime) ^ (Language != null ? Language.GetHashCode() : 0);
return(hashCode);
}
}
public override int GetHashCode()
{
var hashCode = 785420666;
hashCode = (hashCode * -1521134295) + EqualityComparer <string> .Default.GetHashCode(_isbn);
hashCode = (hashCode * -1521134295) + EqualityComparer <string> .Default.GetHashCode(_author);
hashCode = (hashCode * -1521134295) + EqualityComparer <string> .Default.GetHashCode(_title);
hashCode = (hashCode * -1521134295) + EqualityComparer <string> .Default.GetHashCode(_publisher);
hashCode = (hashCode * -1521134295) + _pagesCount.GetHashCode();
hashCode = (hashCode * -1521134295) + _price.GetHashCode();
hashCode = (hashCode * -1521134295) + PublishingYear.GetHashCode();
return(hashCode);
}