package connutil

import (
	"context"
	"errors"
	"sync"
)

var (
	ErrNotInitialized = errors.New("connection has not been initialized")
)

// ConnectionProducer can be used as an embedded interface in the Database
// definition. It implements the methods dealing with individual database
// connections and is used in all the builtin database types.
type ConnectionProducer interface {
	Close() error
	Init(context.Context, map[string]interface{}, bool) (map[string]interface{}, error)
	Connection(context.Context) (interface{}, error)

	sync.Locker

	// DEPRECATED, will be removed in 0.12
	Initialize(context.Context, map[string]interface{}, bool) error
}