Sample of IOrganizationService implementation

MyIOrganizationService.cs

        #region IOrganizationService implementation

        public Guid Create(Entity entity)
        {
            Trace($"Creating {entity.LogicalName} with {entity.Attributes.Count} attributes");
            var result = Service.Create(entity);
            Trace("Created!");
            return result;
        }

        public Entity Retrieve(string entityName, Guid id, ColumnSet columnSet)
        {
            Trace($"Retrieving {entityName} {id} with {columnSet.Columns.Count} attributes");
            var result = Service.Retrieve(entityName, id, columnSet);
            Trace("Retrieved!");
            return result;
        }

        public Entity Retrieve(EntityReference reference, params string[] columns)
        {
            return Retrieve(reference.LogicalName, reference.Id, new ColumnSet(columns));
        }

        public void Update(Entity entity)
        {
            Trace($"Updating {entity.LogicalName} with {entity.Attributes.Count} attributes");
            Service.Update(entity);
            Trace("Updated!");
        }

        public void Delete(string entityName, Guid id)
        {
            Trace($"Deletng {entityName} {id}");
            Service.Delete(entityName, id);
            Trace("Deleted!");
        }

        public void Delete(EntityReference reference)
        {
            Delete(reference.LogicalName, reference.Id);
        }

        public OrganizationResponse Execute(OrganizationRequest request)
        {
            Trace($"Executing {request}");
            var result = Service.Execute(request);
            Trace("Executed!");
            return result;
        }

        public void Associate(string entityName, Guid entityId, Relationship relationship, EntityReferenceCollection relatedEntities)
        {
            Trace($"Associating {entityName} {entityId} over {relationship.SchemaName} with {relatedEntities.Count} {string.Join(", ", relatedEntities.Select(r => r.LogicalName))}");
            Service.Associate(entityName, entityId, relationship, relatedEntities);
            Trace("Associated!");
        }

        public void Disassociate(string entityName, Guid entityId, Relationship relationship, EntityReferenceCollection relatedEntities)
        {
            Trace($"Disassociating {entityName} {entityId} over {relationship.SchemaName} with {relatedEntities.Count} {string.Join(", ", relatedEntities.Select(r => r.LogicalName))}");
            Service.Disassociate(entityName, entityId, relationship, relatedEntities);
            Trace("Disassociated!");
        }

        public EntityCollection RetrieveMultiple(QueryBase query)
        {
            Trace($"Retrieving with {query}");
            var result = Service.RetrieveMultiple(query);
            Trace($"Retrieved {result.Entities.Count} {result.EntityName}");
            return result;
        }

        #endregion IOrganizationService implementation