localpersistence

package

v1.9.5 Latest Latest Go to latest Published: Sep 14, 2020 License: GPL-3.0 Imports: 12 Imported by: 0

Details

Valid go.mod file

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Tagged version

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Stable version

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Repository

github.com/leizongmin/go

Links

Open Source Insights

Documentation ¶

Index ¶

Variables
type DB
type DBOptions
type DecoderFunc
type EncoderFunc
type List
- func OpenList(file string, opts *Options) (*List, error)
type Map
- func OpenMap(file string, opts *Options) (*Map, error)
type Options
type SortedList
- func OpenSortedList(file string, opts *SortedListOptions) (*SortedList, error)
type SortedListOptions

Constants ¶

This section is empty.

Variables ¶

View Source

var DefaultDecoder = func(b []byte, value interface{}) error {
	return jsoniter.Unmarshal(b, value)
}

View Source

var DefaultEncoder = func(value interface{}) ([]byte, error) {
	return jsoniter.Marshal(value)
}

Functions ¶

This section is empty.

Types ¶

type DB ¶

type DB = leveldb.DB

type DBOptions ¶

type DBOptions = opt.Options

type DecoderFunc ¶

type DecoderFunc func([]byte, interface{}) error

type EncoderFunc ¶

type EncoderFunc func(value interface{}) ([]byte, error)

type List ¶

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

func OpenList ¶

func OpenList(file string, opts *Options) (*List, error)

打开数据库

func (*List) AddToFirst ¶

func (l *List) AddToFirst(value interface{}) error

添加到队列首

func (*List) AddToLast ¶

func (l *List) AddToLast(value interface{}) error

添加到队列尾

func (*List) Close ¶

func (l *List) Close() error

关闭数据库

func (*List) RemoveFirst ¶

func (l *List) RemoveFirst(value interface{}) (ok bool, err error)

删除队列首

func (*List) RemoveLast ¶

func (l *List) RemoveLast(value interface{}) (ok bool, err error)

删除队列尾

func (*List) Size ¶

func (l *List) Size() (size int, err error)

队列元素数量

type Map ¶

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

func OpenMap ¶

func OpenMap(file string, opts *Options) (*Map, error)

打开数据库

func (*Map) Close ¶

func (m *Map) Close() error

关闭数据库

func (*Map) ForEachKey ¶

func (m *Map) ForEachKey(fn func(key string) bool) (err error)

遍历所有key

func (*Map) Get ¶

func (m *Map) Get(key string, value interface{}) (ok bool, err error)

获取元素值

func (*Map) Put ¶

func (m *Map) Put(key string, value interface{}) (err error)

设置元素值

func (*Map) Remove ¶

func (m *Map) Remove(key string) (err error)

设置元素值

func (*Map) Size ¶

func (m *Map) Size() (size int, err error)

元素数量

type Options ¶

type Options struct {
	DB      *DBOptions
	Encoder EncoderFunc
	Decoder DecoderFunc
}

type SortedList ¶

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

func OpenSortedList ¶

func OpenSortedList(file string, opts *SortedListOptions) (*SortedList, error)

打开数据库

func (*SortedList) Add ¶

func (l *SortedList) Add(score int64, value interface{}) error

func (*SortedList) Close ¶

func (l *SortedList) Close() error

关闭数据库

func (*SortedList) First ¶

func (l *SortedList) First(maxScore int64, value interface{}) (score int64, ok bool, err error)

取得第一个元素

func (*SortedList) Size ¶

func (l *SortedList) Size() (size int, err error)

队列元素数量

type SortedListOptions ¶ added in v1.6.2

type SortedListOptions struct {
	*Options
	IteratorMaxMilliseconds int64 // 迭代器缓存时间
}

Source Files ¶

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