mirror of https://github.com/go-gitea/gitea.git
67 lines
1.6 KiB
Go
67 lines
1.6 KiB
Go
// Copyright (c) 2015 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 gtreap provides an in-memory implementation of the
|
|
// KVStore interfaces using the gtreap balanced-binary treap,
|
|
// copy-on-write data structure.
|
|
package gtreap
|
|
|
|
import (
|
|
"github.com/blevesearch/bleve/index/store"
|
|
|
|
"github.com/steveyen/gtreap"
|
|
)
|
|
|
|
type Reader struct {
|
|
t *gtreap.Treap
|
|
}
|
|
|
|
func (w *Reader) Get(k []byte) (v []byte, err error) {
|
|
var rv []byte
|
|
itm := w.t.Get(&Item{k: k})
|
|
if itm != nil {
|
|
rv = make([]byte, len(itm.(*Item).v))
|
|
copy(rv, itm.(*Item).v)
|
|
return rv, nil
|
|
}
|
|
return nil, nil
|
|
}
|
|
|
|
func (r *Reader) MultiGet(keys [][]byte) ([][]byte, error) {
|
|
return store.MultiGet(r, keys)
|
|
}
|
|
|
|
func (w *Reader) PrefixIterator(k []byte) store.KVIterator {
|
|
rv := Iterator{
|
|
t: w.t,
|
|
prefix: k,
|
|
}
|
|
rv.restart(&Item{k: k})
|
|
return &rv
|
|
}
|
|
|
|
func (w *Reader) RangeIterator(start, end []byte) store.KVIterator {
|
|
rv := Iterator{
|
|
t: w.t,
|
|
start: start,
|
|
end: end,
|
|
}
|
|
rv.restart(&Item{k: start})
|
|
return &rv
|
|
}
|
|
|
|
func (w *Reader) Close() error {
|
|
return nil
|
|
}
|