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59 lines
1.8 KiB
Go
59 lines
1.8 KiB
Go
// Copyright 2016 Attic Labs, Inc. All rights reserved.
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// Licensed under the Apache License, version 2.0:
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// http://www.apache.org/licenses/LICENSE-2.0
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package datas
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import (
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"github.com/attic-labs/noms/go/types"
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"github.com/julienschmidt/httprouter"
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)
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// 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.
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type RemoteDatabaseClient struct {
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databaseCommon
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}
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func NewRemoteDatabase(baseURL, auth string) *RemoteDatabaseClient {
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httpBS := newHTTPBatchStore(baseURL, auth)
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return &RemoteDatabaseClient{newDatabaseCommon(newCachingChunkHaver(httpBS), types.NewValueStore(httpBS), httpBS)}
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}
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func (rds *RemoteDatabaseClient) batchStore() types.BatchStore {
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return rds.vs.BatchStore()
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}
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func (rds *RemoteDatabaseClient) Commit(datasetID string, commit types.Struct) (Database, error) {
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err := rds.commit(datasetID, commit)
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rds.vs.Flush()
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return &RemoteDatabaseClient{newDatabaseCommon(rds.cch, rds.vs, rds.rt)}, err
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}
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func (rds *RemoteDatabaseClient) Delete(datasetID string) (Database, error) {
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err := rds.doDelete(datasetID)
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rds.vs.Flush()
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return &RemoteDatabaseClient{newDatabaseCommon(rds.cch, rds.vs, rds.rt)}, err
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}
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func (f RemoteStoreFactory) CreateStore(ns string) Database {
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return NewRemoteDatabase(f.host+httprouter.CleanPath(ns), f.auth)
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}
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func (f RemoteStoreFactory) Create(ns string) (Database, bool) {
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if ds := f.CreateStore(ns); ds != nil {
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return ds, true
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}
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return &LocalDatabase{}, false
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}
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func (f RemoteStoreFactory) Shutter() {}
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func NewRemoteStoreFactory(host, auth string) Factory {
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return RemoteStoreFactory{host: host, auth: auth}
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}
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type RemoteStoreFactory struct {
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host string
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auth string
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}
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