indexdb

package

v0.1.8 Latest Latest Go to latest Published: Apr 8, 2016 License: MIT Imports: 8 Imported by: 0

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Repository

github.com/hulaoan/banshee

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Open Source Insights

Documentation ¶

Overview ¶

Package indexdb handles the storage for indexes.

Design ¶

The db file name is index, and the key-value design in leveldb is:

Key:   <Name>
Value: <Stamp>:<Score>:<Average>

Cache ¶

To access indexes faster in webapp, indexes are cached in memory, in a safemap with a RWLock.

Read operations are in cache.

Write operations are to persistence and cache.

Index ¶

Variables
type DB
- func Open(fileName string) (*DB, error)

Constants ¶

This section is empty.

Variables ¶

View Source

var (
	// ErrNotFound is returned when requested data not found.
	ErrNotFound = errors.New("indexdb: not found")
	// ErrCorrupted is returned when corrupted data found.
	ErrCorrupted = errors.New("indexdb: corrupted data found")
)

Functions ¶

This section is empty.

Types ¶

type DB ¶

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

DB handles indexes storage.

func Open ¶

func Open(fileName string) (*DB, error)

Open a DB by fileName.

func (*DB) All ¶

func (db *DB) All() (l []*models.Index)

All returns all indexes.

func (*DB) Close ¶

func (db *DB) Close() error

Close the DB.

func (*DB) Delete ¶

func (db *DB) Delete(name string) error

Delete an index by name.

func (*DB) Filter ¶

func (db *DB) Filter(pattern string) (l []*models.Index)

Filter indexes by pattern.

func (*DB) Get ¶

func (db *DB) Get(name string) (*models.Index, error)

Get an index by name.

func (*DB) Len ¶ added in v0.0.5

func (db *DB) Len() int

Len returns the number of indexes.

func (*DB) Put ¶

func (db *DB) Put(idx *models.Index) error

Put an index into db.

Source Files ¶

View all Source files

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