Files
dolt/go/datas/remote_database_client.go

59 lines
1.8 KiB
Go

// Copyright 2016 Attic Labs, Inc. All rights reserved.
// Licensed under the Apache License, version 2.0:
// http://www.apache.org/licenses/LICENSE-2.0
package datas
import (
"github.com/attic-labs/noms/go/types"
"github.com/julienschmidt/httprouter"
)
// Database provides versioned storage for noms values. Each Database instance represents one moment in history. Heads() returns the Commit from each active fork at that moment. The Commit() method returns a new Database, representing a new moment in history.
type RemoteDatabaseClient struct {
databaseCommon
}
func NewRemoteDatabase(baseURL, auth string) *RemoteDatabaseClient {
httpBS := newHTTPBatchStore(baseURL, auth)
return &RemoteDatabaseClient{newDatabaseCommon(newCachingChunkHaver(httpBS), types.NewValueStore(httpBS), httpBS)}
}
func (rds *RemoteDatabaseClient) batchStore() types.BatchStore {
return rds.vs.BatchStore()
}
func (rds *RemoteDatabaseClient) Commit(datasetID string, commit types.Struct) (Database, error) {
err := rds.commit(datasetID, commit)
rds.vs.Flush()
return &RemoteDatabaseClient{newDatabaseCommon(rds.cch, rds.vs, rds.rt)}, err
}
func (rds *RemoteDatabaseClient) Delete(datasetID string) (Database, error) {
err := rds.doDelete(datasetID)
rds.vs.Flush()
return &RemoteDatabaseClient{newDatabaseCommon(rds.cch, rds.vs, rds.rt)}, err
}
func (f RemoteStoreFactory) CreateStore(ns string) Database {
return NewRemoteDatabase(f.host+httprouter.CleanPath(ns), f.auth)
}
func (f RemoteStoreFactory) Create(ns string) (Database, bool) {
if ds := f.CreateStore(ns); ds != nil {
return ds, true
}
return &LocalDatabase{}, false
}
func (f RemoteStoreFactory) Shutter() {}
func NewRemoteStoreFactory(host, auth string) Factory {
return RemoteStoreFactory{host: host, auth: auth}
}
type RemoteStoreFactory struct {
host string
auth string
}