rkv

package

v0.0.0-...-dde2e2b Latest Latest Go to latest Published: Feb 28, 2014 License: MIT Imports: 10 Imported by: 0

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Repository

github.com/tagbbs/tagbbs

Documentation ¶

Overview ¶

Key Value Storage with Revision

Index ¶

Variables
type Interface
- func NewScopedStore(source string, prefix string) (store Interface, err error)
- func NewStore(source string) (store Interface, err error)
type MemStore
- func NewMemStore() *MemStore
- func (m *MemStore) Get(key string) (Value, error)
- func (m *MemStore) Put(key string, np Value) error
type RediStore
- func NewRediStore(addr string, db int) (*RediStore, error)
- func (r *RediStore) Get(key string) (v Value, err error)
- func (r *RediStore) Put(key string, p Value) error
type S
- func (s S) Read(key string, rev *int64, v interface{}) (err error)
- func (s S) ReadModify(key string, v interface{}, mutate func(v interface{}) bool) (err error)
- func (s S) SetContain(key string, values ...string) (contain bool, err error)
- func (s S) SetDelete(key string, values ...string) error
- func (s S) SetInsert(key string, values ...string) error
- func (s S) SetSlice(key, value string, before, after int) (slice []string, err error)
- func (s S) Write(key string, rev int64, v interface{}) (err error)
type SQLStore
- func NewSQLStore(driver, source, table string) (*SQLStore, error)
- func (s *SQLStore) Get(key string) (Value, error)
- func (s *SQLStore) Put(key string, np Value) error
type ScopedStore
- func (s ScopedStore) Get(key string) (Value, error)
- func (s ScopedStore) Put(key string, v Value) error
type SortedString
- func SortedIntersect(sss ...SortedString) (ret SortedString)
- func SortedUnion(sss ...SortedString) (ret SortedString)
- func (s SortedString) Contain(v string) bool
- func (s *SortedString) Delete(val string) bool
- func (s *SortedString) Insert(val string) bool
- func (s SortedString) Len() int
- func (s SortedString) Less(i, j int) bool
- func (s SortedString) Search(v string) int
- func (s SortedString) Slice(v string, before int, after int) SortedString
- func (s SortedString) Sort()
- func (s SortedString) Swap(i, j int)
- func (s *SortedString) Unique()
type Value

Constants ¶

This section is empty.

Variables ¶

View Source

var (
	ErrRevNotMatch = errors.New("Revision Not Match")
)

Functions ¶

This section is empty.

Types ¶

type Interface ¶

type Interface interface {
	// Get the Post of given Key.
	Get(key string) (Value, error)
	// Set the Post to the given Key.
	// Note that the revision of the new post must be increased by 1 from the old post.
	// If the length of the Content of the Post is zero, the post is considered safe to be deleted.
	Put(key string, p Value) error
}

func NewScopedStore ¶

func NewScopedStore(source string, prefix string) (store Interface, err error)

func NewStore ¶

func NewStore(source string) (store Interface, err error)

NewStore is a helper method for creating a built-in storage.

type MemStore ¶

type MemStore struct {
	// contains filtered or unexported fields
}

func NewMemStore ¶

func NewMemStore() *MemStore

func (*MemStore) Get ¶

func (m *MemStore) Get(key string) (Value, error)

func (*MemStore) Put ¶

func (m *MemStore) Put(key string, np Value) error

type RediStore ¶

type RediStore struct {
	// contains filtered or unexported fields
}

func NewRediStore ¶

func NewRediStore(addr string, db int) (*RediStore, error)

func (*RediStore) Get ¶

func (r *RediStore) Get(key string) (v Value, err error)

func (*RediStore) Put ¶

func (r *RediStore) Put(key string, p Value) error

type S ¶

type S struct {
	Interface
}

S is Structured rkv. It's a layer on top of Interface for data structures. Currently the only

func (S) Read ¶

func (s S) Read(key string, rev *int64, v interface{}) (err error)

func (S) ReadModify ¶

func (s S) ReadModify(key string, v interface{}, mutate func(v interface{}) bool) (err error)

func (S) SetContain ¶

func (s S) SetContain(key string, values ...string) (contain bool, err error)

SetContain return true if all values exists in the set.

func (S) SetDelete ¶

func (s S) SetDelete(key string, values ...string) error

SetDelete will delete the given values from the key.

func (S) SetInsert ¶

func (s S) SetInsert(key string, values ...string) error

SetInsert will insert the given values to the key.

func (S) SetSlice ¶

func (s S) SetSlice(key, value string, before, after int) (slice []string, err error)

SetSlice return the slice around the value. Suppose the value is at position i, the returned slice will be [i-before:i+after]. If i == 0, the result will be [len-before:].

func (S) Write ¶

func (s S) Write(key string, rev int64, v interface{}) (err error)

type SQLStore ¶

type SQLStore struct {
	// contains filtered or unexported fields
}

func NewSQLStore ¶

func NewSQLStore(driver, source, table string) (*SQLStore, error)

func (*SQLStore) Get ¶

func (s *SQLStore) Get(key string) (Value, error)

func (*SQLStore) Put ¶

func (s *SQLStore) Put(key string, np Value) error

type ScopedStore ¶

type ScopedStore struct {
	Interface
	Prefix string
}

func (ScopedStore) Get ¶

func (s ScopedStore) Get(key string) (Value, error)

func (ScopedStore) Put ¶

func (s ScopedStore) Put(key string, v Value) error

type SortedString ¶

type SortedString []string

SortedString is a list of sorted strings, mainly for indexing purpose. Note that the order of strings are defined by (len, content).

func SortedIntersect ¶

func SortedIntersect(sss ...SortedString) (ret SortedString)

func SortedUnion ¶

func SortedUnion(sss ...SortedString) (ret SortedString)

func (SortedString) Contain ¶

func (s SortedString) Contain(v string) bool

func (*SortedString) Delete ¶

func (s *SortedString) Delete(val string) bool

func (*SortedString) Insert ¶

func (s *SortedString) Insert(val string) bool

func (SortedString) Len ¶

func (s SortedString) Len() int

func (SortedString) Less ¶

func (s SortedString) Less(i, j int) bool

func (SortedString) Search ¶

func (s SortedString) Search(v string) int

func (SortedString) Slice ¶

func (s SortedString) Slice(v string, before int, after int) SortedString

func (SortedString) Sort ¶

func (s SortedString) Sort()

func (SortedString) Swap ¶

func (s SortedString) Swap(i, j int)

func (*SortedString) Unique ¶

func (s *SortedString) Unique()

type Value ¶

type Value struct {
	Rev       int64
	Timestamp time.Time
	Content   []byte
}

Source Files ¶

View all Source files

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