// Copyright (c) 2014 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 boltdb import ( "github.com/boltdb/bolt" ) type Iterator struct { store *Store tx *bolt.Tx cursor *bolt.Cursor valid bool key []byte val []byte } func (i *Iterator) SeekFirst() { i.key, i.val = i.cursor.First() i.valid = (i.key != nil) } func (i *Iterator) Seek(k []byte) { i.key, i.val = i.cursor.Seek(k) i.valid = (i.key != nil) } func (i *Iterator) Next() { i.key, i.val = i.cursor.Next() i.valid = (i.key != nil) } func (i *Iterator) Current() ([]byte, []byte, bool) { return i.key, i.val, i.valid } func (i *Iterator) Key() []byte { return i.key } func (i *Iterator) Value() []byte { return i.val } func (i *Iterator) Valid() bool { return i.valid } func (i *Iterator) Close() error { return nil }