c7443fe52b
more things can return error now in a couple of places we had to swallow errors because they didn't fit the existing API. in these case and proactively in a few others we now return error as well. also the batch API has been updated to allow performing set/delete internal within the batch
102 lines
2.1 KiB
Go
102 lines
2.1 KiB
Go
// Copyright (c) 2014 Couchbase, Inc.
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
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// except in compliance with the License. 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 distributed under the
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// License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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// either express or implied. See the License for the specific language governing permissions
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// and limitations under the License.
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package inmem
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import (
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"sync"
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"github.com/blevesearch/bleve/index/store"
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"github.com/blevesearch/bleve/registry"
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"github.com/ryszard/goskiplist/skiplist"
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)
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const Name = "mem"
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type Store struct {
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list *skiplist.SkipList
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writer sync.Mutex
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}
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func Open() (*Store, error) {
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rv := Store{
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list: skiplist.NewStringMap(),
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}
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return &rv, nil
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}
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func MustOpen() *Store {
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rv := Store{
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list: skiplist.NewStringMap(),
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}
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return &rv
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}
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func (i *Store) get(key []byte) ([]byte, error) {
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val, ok := i.list.Get(string(key))
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if ok {
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return []byte(val.(string)), nil
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}
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return nil, nil
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}
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func (i *Store) set(key, val []byte) error {
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i.writer.Lock()
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defer i.writer.Unlock()
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return i.setlocked(key, val)
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}
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func (i *Store) setlocked(key, val []byte) error {
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i.list.Set(string(key), string(val))
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return nil
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}
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func (i *Store) delete(key []byte) error {
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i.writer.Lock()
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defer i.writer.Unlock()
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return i.deletelocked(key)
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}
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func (i *Store) deletelocked(key []byte) error {
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i.list.Delete(string(key))
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return nil
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}
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func (i *Store) Close() error {
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return nil
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}
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func (i *Store) iterator(key []byte) store.KVIterator {
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rv := newIterator(i)
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rv.Seek(key)
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return rv
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}
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func (i *Store) Reader() (store.KVReader, error) {
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return newReader(i)
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}
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func (i *Store) Writer() (store.KVWriter, error) {
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return newWriter(i)
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}
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func (i *Store) newBatch() store.KVBatch {
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return newBatch(i)
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}
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func StoreConstructor(config map[string]interface{}) (store.KVStore, error) {
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return Open()
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}
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func init() {
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registry.RegisterKVStore(Name, StoreConstructor)
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}
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