public ProductOwner productOwnerOfIdentity(TenantId aTenantId, String aUsername) {
LevelDBKey primaryKey = new LevelDBKey(PRIMARY, aTenantId.id(), aUsername);
ProductOwner productOwner =
LevelDBUnitOfWork.readOnly(this.database())
.readObject(primaryKey.key().getBytes(), ProductOwner.class);
return productOwner;
}
@Override