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bleve/index/store/gouchstore/store.go
Marty Schoch 2968d3538a major refactor, apologies for the large commit
removed analyzers (these are now built as needed through config)
removed html chacter filter (now built as needed through config)
added missing license header
changed constructor signature of filters that cannot return errors
filter constructors that can have errors, now have Must variant which panics
change cdl2 tokenizer into filter (should only see lower-case input)
new top level index api, closes #5
refactored index tests to not rely directly on analyzers
moved query objects to top-level
new top level search api, closes #12
top score collector allows skipping results
index mapping supports _all by default, closes #3 and closes #6
index mapping supports disabled sections, closes #7
new http sub package with reusable http.Handler's, closes #22
2014-07-30 12:30:38 -04:00

85 lines
2.2 KiB
Go

// Copyright (c) 2014 Couchbase, Inc.
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
// except in compliance with the License. You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software distributed under the
// License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
// either express or implied. See the License for the specific language governing permissions
// and limitations under the License.
package gouchstore
import (
"github.com/couchbaselabs/bleve/index/store"
"github.com/mschoch/gouchstore"
)
type GouchstoreStore struct {
path string
db *gouchstore.Gouchstore
}
func Open(path string) (*GouchstoreStore, error) {
rv := GouchstoreStore{
path: path,
}
var err error
rv.db, err = gouchstore.Open(path, gouchstore.OPEN_CREATE)
if err != nil {
return nil, err
}
return &rv, nil
}
func (gs *GouchstoreStore) Get(key []byte) ([]byte, error) {
var docInfo gouchstore.DocumentInfo
err := gs.db.DocumentInfoByIdNoAlloc(string(key), &docInfo)
if err != nil && err.Error() != "document not found" {
return nil, err
}
if err != nil && err.Error() == "document not found" {
return nil, nil
}
var doc gouchstore.Document
if !docInfo.Deleted {
err := gs.db.DocumentByIdNoAlloc(string(key), &doc)
if err != nil {
return nil, err
}
return doc.Body, nil
}
return nil, nil
}
func (gs *GouchstoreStore) Set(key, val []byte) error {
doc := gouchstore.NewDocument(string(key), val)
docInfo := gouchstore.NewDocumentInfo(string(key))
return gs.db.SaveDocument(doc, docInfo)
}
func (gs *GouchstoreStore) Delete(key []byte) error {
doc := gouchstore.NewDocument(string(key), nil)
docInfo := gouchstore.NewDocumentInfo(string(key))
docInfo.Deleted = true
return gs.db.SaveDocument(doc, docInfo)
}
func (gs *GouchstoreStore) Commit() error {
return gs.db.Commit()
}
func (gs *GouchstoreStore) Close() error {
return gs.db.Close()
}
func (gs *GouchstoreStore) Iterator(key []byte) store.KVIterator {
rv := newGouchstoreIterator(gs)
rv.Seek(key)
return rv
}
func (gs *GouchstoreStore) NewBatch() store.KVBatch {
return newGouchstoreBatch(gs)
}