88 lines
1.5 KiB
Go
88 lines
1.5 KiB
Go
// Copyright (c) 2016 Couchbase, Inc.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package moss
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import (
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"github.com/couchbase/moss"
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)
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type Iterator struct {
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store *Store
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ss moss.Snapshot
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iter moss.Iterator
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start []byte
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end []byte
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k []byte
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v []byte
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err error
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}
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func (x *Iterator) Seek(seekToKey []byte) {
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_ = x.iter.SeekTo(seekToKey)
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x.k, x.v, x.err = x.iter.Current()
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}
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func (x *Iterator) Next() {
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_ = x.iter.Next()
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x.k, x.v, x.err = x.iter.Current()
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}
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func (x *Iterator) Current() ([]byte, []byte, bool) {
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return x.k, x.v, x.err == nil
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}
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func (x *Iterator) Key() []byte {
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if x.err != nil {
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return nil
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}
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return x.k
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}
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func (x *Iterator) Value() []byte {
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if x.err != nil {
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return nil
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}
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return x.v
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}
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func (x *Iterator) Valid() bool {
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return x.err == nil
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}
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func (x *Iterator) Close() error {
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var err error
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x.ss = nil
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if x.iter != nil {
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err = x.iter.Close()
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x.iter = nil
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}
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x.k = nil
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x.v = nil
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x.err = moss.ErrIteratorDone
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return err
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}
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func (x *Iterator) current() {
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x.k, x.v, x.err = x.iter.Current()
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}
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