mirror of https://github.com/perkeep/perkeep.git
54 lines
1.4 KiB
Go
54 lines
1.4 KiB
Go
/*
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Copyright 2013 The Camlistore Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// Package kvfile implements the Camlistore index storage abstraction
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// on top of a single mutable database file on disk using
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// github.com/cznic/kv.
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package kvfile
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import (
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"camlistore.org/pkg/blobserver"
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"camlistore.org/pkg/index"
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"camlistore.org/pkg/jsonconfig"
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"camlistore.org/pkg/sorted/kvfile"
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)
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func init() {
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blobserver.RegisterStorageConstructor("kvfileindexer",
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blobserver.StorageConstructor(newFromConfig))
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}
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func newFromConfig(ld blobserver.Loader, config jsonconfig.Obj) (blobserver.Storage, error) {
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blobPrefix := config.RequiredString("blobSource")
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kv, err := kvfile.NewKeyValue(config)
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if err != nil {
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return nil, err
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}
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ix := index.New(kv)
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sto, err := ld.GetStorage(blobPrefix)
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if err != nil {
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ix.Close()
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return nil, err
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}
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ix.BlobSource = sto
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// Good enough, for now:
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ix.KeyFetcher = ix.BlobSource
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return ix, err
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}
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