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
71 lines
1.5 KiB
Go
71 lines
1.5 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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"github.com/ryszard/goskiplist/skiplist"
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)
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type Iterator struct {
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store *Store
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iterator skiplist.Iterator
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valid bool
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}
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func newIterator(store *Store) *Iterator {
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rv := Iterator{
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store: store,
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iterator: store.list.Iterator(),
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}
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return &rv
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}
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func (i *Iterator) SeekFirst() {
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i.Seek([]byte{0})
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}
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func (i *Iterator) Seek(k []byte) {
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i.valid = i.iterator.Seek(string(k))
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}
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func (i *Iterator) Next() {
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i.valid = i.iterator.Next()
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}
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func (i *Iterator) Current() ([]byte, []byte, bool) {
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if i.valid {
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return []byte(i.Key()), []byte(i.Value()), true
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}
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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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if i.valid {
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return []byte(i.iterator.Key().(string))
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}
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return nil
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}
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func (i *Iterator) Value() []byte {
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if i.valid {
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return []byte(i.iterator.Value().(string))
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}
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return nil
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}
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func (i *Iterator) Valid() bool {
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return i.valid
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}
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func (i *Iterator) Close() error {
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i.iterator.Close()
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return nil
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}
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