dal

README

dal

Data access layer abstraction for go incremental applications. Currently only supports mongo via mgo.

Documentation

Index

• Variables
• func IsObjectIdHex(s string) bool
• type BSON
• type ChangeInfo
• type Collection
• type DAL
  • func NewDAL() DAL
• type Database
• type Index
• type Iter
• type ObjectId
  • func NewObjectId() ObjectId
  • func ObjectIdHex(s string) ObjectId
  • func (id ObjectId) GetBSON() (interface{}, error)
  • func (id ObjectId) Hex() string
  • func (id ObjectId) Valid() bool
• type Query
• type Session

Variables

var ErrNotFound = errors.New("ErrNotFound")

Functions

func IsObjectIdHex

func IsObjectIdHex(s string) bool

Types

type BSON

type BSON map[string]interface{}

type ChangeInfo

type ChangeInfo struct {
	Updated    int
	Removed    int
	UpsertedId interface{}
}

type Collection

type Collection interface {
	Find(BSON) Query
	EnsureIndex(Index) error
	FindId(interface{}) Query
	RemoveId(interface{}) error
	UpsertId(interface{}, interface{}) (*ChangeInfo, error)
}

type DAL

type DAL interface {
	Connect(string) (Session, error)
	IsObjectIdHex(string) bool
}

func NewDAL

func NewDAL() DAL

type Database

type Database interface {
	C(string) Collection
}

type Index

type Index struct {
	Key         []string
	Background  bool
	Sparse      bool
	ExpireAfter time.Duration
}

type Iter

type Iter interface {
	Next(interface{}) bool
}

type ObjectId

type ObjectId string

func NewObjectId

func NewObjectId() ObjectId

func ObjectIdHex

func ObjectIdHex(s string) ObjectId

func (ObjectId) GetBSON

func (id ObjectId) GetBSON() (interface{}, error)

func (ObjectId) Hex

func (id ObjectId) Hex() string

func (ObjectId) Valid

func (id ObjectId) Valid() bool

type Query

type Query interface {
	One(interface{}) error
	Sort(...string) Query
	Iter() Iter
}

type Session

type Session interface {
	Clone() Session
	Close()
	DB(s string) Database
}