backend

package
v0.7.0-alpha Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Mar 10, 2022 License: GPL-3.0 Imports: 26 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	Host      string = "127.0.0.1"
	Port      int    = 3100
	Namespace string = "test"
	Set       string = "store"
	ValueBin  string = "value"
	RefBin    string = "ref"
)
View Source 
const (
	Id         string = "_id"
	Value      string = "value"
	Reference  string = "ref"
	Database   string = "peer_service"
	Collection string = "peer"
)

Variables

View Source 
var OpenFileLimit = 64

Functions

func NewTable 

func NewTable(db database.Database, prefix string) database.Database

NewTable returns a Database object that prefixes all keys with a given string.

func NewTableBatch 

func NewTableBatch(db database.Database, prefix string) database.Batch

NewTableBatch returns a Batch object which prefixes all keys with a given string.

Types

type AerospikeDatabase 

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

AerospikeDatabase a MongoDB wrapped object.

func NewAerospikeDatabase 

func NewAerospikeDatabase() (*AerospikeDatabase, error)

NewAerospikeDatabase returns a AerospikeDatabase wrapped object.

func (*AerospikeDatabase) Close 

func (db *AerospikeDatabase) Close()

func (*AerospikeDatabase) CountReference 

func (db *AerospikeDatabase) CountReference(key []byte) (int, error)

func (*AerospikeDatabase) Delete 

func (db *AerospikeDatabase) Delete(key []byte) error

Delete deletes the key from the database

func (*AerospikeDatabase) Dereference 

func (db *AerospikeDatabase) Dereference(key []byte) error

func (*AerospikeDatabase) Get 

func (db *AerospikeDatabase) Get(key []byte) ([]byte, error)

Get returns the given key if it's present.

func (*AerospikeDatabase) Has 

func (db *AerospikeDatabase) Has(key []byte) (bool, error)

Has checks if the given key is present in the database

func (*AerospikeDatabase) NewBatch 

func (db *AerospikeDatabase) NewBatch() database.Batch

func (*AerospikeDatabase) Put 

func (db *AerospikeDatabase) Put(key []byte, value []byte) error

Put puts the given key / value to the database

func (*AerospikeDatabase) Reference 

func (db *AerospikeDatabase) Reference(key []byte) error

type BadgerDatabase 

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

BadgerDatabase a MongoDB (using badger driver) wrapped object.

func NewBadgerDatabase 

func NewBadgerDatabase(dirname string) (*BadgerDatabase, error)

NewBadgerDatabase returns a BadgerDB wrapped object.

func (*BadgerDatabase) Close 

func (db *BadgerDatabase) Close()

func (*BadgerDatabase) CountReference 

func (db *BadgerDatabase) CountReference(key []byte) (int, error)

func (*BadgerDatabase) Delete 

func (db *BadgerDatabase) Delete(key []byte) error

Delete deletes the key from the database

func (*BadgerDatabase) Dereference 

func (db *BadgerDatabase) Dereference(key []byte) error

func (*BadgerDatabase) Get 

func (db *BadgerDatabase) Get(key []byte) ([]byte, error)

Get returns the given key if it's present.

func (*BadgerDatabase) Has 

func (db *BadgerDatabase) Has(key []byte) (bool, error)

Has checks if the given key is present in the database

func (*BadgerDatabase) NewBatch 

func (db *BadgerDatabase) NewBatch() database.Batch

func (*BadgerDatabase) Put 

func (db *BadgerDatabase) Put(key []byte, value []byte) error

Put puts the given key / value to the database

func (*BadgerDatabase) Reference 

func (db *BadgerDatabase) Reference(key []byte) error

type Document 

type Document struct {
	Key       []byte `bson:"_id" json:"k,omitempty"`
	Value     []byte `bson:"value" json:"v"`
	Reference int    `bson:"ref" json:"ref,omitempty"`
}

type LDBDatabase 

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

func NewLDBDatabase 

func NewLDBDatabase(file string, reffile string, cache int, handles int) (*LDBDatabase, error)

NewLDBDatabase returns a LevelDB wrapped object.

func (*LDBDatabase) Close 

func (db *LDBDatabase) Close()

func (*LDBDatabase) CountReference 

func (db *LDBDatabase) CountReference(key []byte) (int, error)

func (*LDBDatabase) Delete 

func (db *LDBDatabase) Delete(key []byte) error

Delete deletes the key from the queue and database

func (*LDBDatabase) Dereference 

func (db *LDBDatabase) Dereference(key []byte) error

func (*LDBDatabase) Get 

func (db *LDBDatabase) Get(key []byte) ([]byte, error)

Get returns the given key if it's present.

func (*LDBDatabase) Has 

func (db *LDBDatabase) Has(key []byte) (bool, error)

func (*LDBDatabase) LDB 

func (db *LDBDatabase) LDB() *leveldb.DB

func (*LDBDatabase) Meter 

func (db *LDBDatabase) Meter(prefix string)

Meter configures the database metrics collectors and

func (*LDBDatabase) NewBatch 

func (db *LDBDatabase) NewBatch() database.Batch

func (*LDBDatabase) NewIterator 

func (db *LDBDatabase) NewIterator() iterator.Iterator

func (*LDBDatabase) NewIteratorWithPrefix 

func (db *LDBDatabase) NewIteratorWithPrefix(prefix []byte) iterator.Iterator

NewIteratorWithPrefix returns a iterator to iterate over subset of database content with a particular prefix.

func (*LDBDatabase) Path 

func (db *LDBDatabase) Path() string

Path returns the path to the database directory.

func (*LDBDatabase) Put 

func (db *LDBDatabase) Put(key []byte, value []byte) error

Put puts the given key / value to the queue

func (*LDBDatabase) Reference 

func (db *LDBDatabase) Reference(key []byte) error

type MemDatabase 

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

* This is a test memory database. Do not use for any production it does not get persisted

func NewMemDatabase 

func NewMemDatabase() *MemDatabase

func NewMemDatabaseWithCap 

func NewMemDatabaseWithCap(size int) *MemDatabase

func (*MemDatabase) Close 

func (db *MemDatabase) Close()

func (*MemDatabase) CountReference 

func (db *MemDatabase) CountReference(key []byte) (int, error)

func (*MemDatabase) Delete 

func (db *MemDatabase) Delete(key []byte) error

func (*MemDatabase) Dereference 

func (db *MemDatabase) Dereference(key []byte) error

func (*MemDatabase) Get 

func (db *MemDatabase) Get(key []byte) ([]byte, error)

func (*MemDatabase) Has 

func (db *MemDatabase) Has(key []byte) (bool, error)

func (*MemDatabase) Keys 

func (db *MemDatabase) Keys() [][]byte

func (*MemDatabase) Len 

func (db *MemDatabase) Len() int

func (*MemDatabase) NewBatch 

func (db *MemDatabase) NewBatch() database.Batch

func (*MemDatabase) Put 

func (db *MemDatabase) Put(key []byte, value []byte) error

func (*MemDatabase) Reference 

func (db *MemDatabase) Reference(key []byte) error

type MgoDatabase 

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

MgoDatabase a MongoDB (using mgo driver) wrapped object.

func NewMgoDatabase 

func NewMgoDatabase() (*MgoDatabase, error)

NewMgoDatabase returns a MongoDB (using mgo driver) wrapped object.

func (*MgoDatabase) Close 

func (db *MgoDatabase) Close()

func (*MgoDatabase) CountReference 

func (db *MgoDatabase) CountReference(key []byte) (int, error)

func (*MgoDatabase) Delete 

func (db *MgoDatabase) Delete(key []byte) error

Delete deletes the key from the database

func (*MgoDatabase) Dereference 

func (db *MgoDatabase) Dereference(key []byte) error

func (*MgoDatabase) Get 

func (db *MgoDatabase) Get(key []byte) ([]byte, error)

Get returns the given key if it's present.

func (*MgoDatabase) Has 

func (db *MgoDatabase) Has(key []byte) (bool, error)

Has checks if the given key is present in the database

func (*MgoDatabase) NewBatch 

func (db *MgoDatabase) NewBatch() database.Batch

func (*MgoDatabase) Put 

func (db *MgoDatabase) Put(key []byte, value []byte) error

Put puts the given key / value to the database

func (*MgoDatabase) Reference 

func (db *MgoDatabase) Reference(key []byte) error

type MongoDatabase 

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

MongoDatabase a MongoDB wrapped object.

func NewMongoDatabase 

func NewMongoDatabase() (*MongoDatabase, error)

NewMongoDatabase returns a MongoDB wrapped object.

func (*MongoDatabase) Close 

func (db *MongoDatabase) Close()

func (*MongoDatabase) CountReference 

func (db *MongoDatabase) CountReference(key []byte) (int, error)

func (*MongoDatabase) Delete 

func (db *MongoDatabase) Delete(key []byte) error

Delete deletes the key from the database

func (*MongoDatabase) Dereference 

func (db *MongoDatabase) Dereference(key []byte) error

func (*MongoDatabase) Get 

func (db *MongoDatabase) Get(key []byte) ([]byte, error)

Get returns the given key if it's present.

func (*MongoDatabase) Has 

func (db *MongoDatabase) Has(key []byte) (bool, error)

Has checks if the given key is present in the database

func (*MongoDatabase) NewBatch 

func (db *MongoDatabase) NewBatch() database.Batch

func (*MongoDatabase) Put 

func (db *MongoDatabase) Put(key []byte, value []byte) error

Put puts the given key / value to the database

func (*MongoDatabase) Reference 

func (db *MongoDatabase) Reference(key []byte) error

Source Files

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