a9c07acbfa
refactor to share code in emulated batch refactor to share code in emulated merge refactor index kvstore benchmarks to share more code refactor index kvstore benchmarks to be more repeatable
174 lines
3.1 KiB
Go
174 lines
3.1 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 null
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import (
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"github.com/blevesearch/bleve/index/store"
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)
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type Store struct{}
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func New() (*Store, error) {
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rv := Store{}
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return &rv, nil
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}
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func (i *Store) Open() error {
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return nil
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}
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func (i *Store) SetMergeOperator(mo store.MergeOperator) {
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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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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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type Reader struct {
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store *Store
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}
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func newReader(store *Store) (*Reader, error) {
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return &Reader{
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store: store,
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}, nil
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}
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func (r *Reader) BytesSafeAfterClose() bool {
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return true
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}
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func (r *Reader) Get(key []byte) ([]byte, error) {
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return nil, nil
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}
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func (r *Reader) Iterator(key []byte) store.KVIterator {
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return r.store.iterator(key)
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}
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func (r *Reader) Close() error {
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return nil
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}
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type Iterator struct{}
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func newIterator(store *Store) *Iterator {
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return &Iterator{}
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}
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func (i *Iterator) SeekFirst() {}
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func (i *Iterator) Seek(k []byte) {}
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func (i *Iterator) Next() {}
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func (i *Iterator) Current() ([]byte, []byte, bool) {
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return nil, nil, false
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}
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func (i *Iterator) Key() []byte {
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return nil
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}
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func (i *Iterator) Value() []byte {
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return nil
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}
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func (i *Iterator) Valid() bool {
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return false
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}
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func (i *Iterator) Close() error {
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return nil
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}
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type Batch struct{}
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func newBatch(s *Store) *Batch {
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rv := Batch{}
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return &rv
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}
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func (i *Batch) Set(key, val []byte) {
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}
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func (i *Batch) Delete(key []byte) {
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}
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func (i *Batch) Merge(key, val []byte) {
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}
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func (i *Batch) Execute() error {
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return nil
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}
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func (i *Batch) Close() error {
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return nil
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}
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type Writer struct {
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store *Store
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}
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func newWriter(store *Store) (*Writer, error) {
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return &Writer{
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store: store,
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}, nil
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}
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func (w *Writer) BytesSafeAfterClose() bool {
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return true
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}
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func (w *Writer) Set(key, val []byte) error {
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return nil
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}
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func (w *Writer) Delete(key []byte) error {
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return nil
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}
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func (w *Writer) NewBatch() store.KVBatch {
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return newBatch(w.store)
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}
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func (w *Writer) Close() error {
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return nil
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}
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// these two methods can safely read using the regular
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// methods without a read transaction, because we know
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// that no one else is writing but us
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func (w *Writer) Get(key []byte) ([]byte, error) {
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return nil, nil
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}
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func (w *Writer) Iterator(key []byte) store.KVIterator {
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return w.store.iterator(key)
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}
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