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bleve/index/store/goleveldb/iterator.go
indraniel 81bef38cce Revert "+ make copies of the []bytes returned by goleveldb"
This reverts commit cb8c1741289a0f00b30733e0d52d9d81d1199603.

This commit is no longer desired. The KV store API has been changed to
better address this issue.

For more details, see the google group conversation thread at:

https://groups.google.com/forum/#!topic/bleve/aHZ8gmihLiY
2015-04-10 11:12:44 -05:00

76 lines
1.7 KiB
Go

// 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 goleveldb
import (
"github.com/syndtr/goleveldb/leveldb"
"github.com/syndtr/goleveldb/leveldb/iterator"
)
type Iterator struct {
store *Store
iterator iterator.Iterator
}
func newIterator(store *Store) *Iterator {
ropts := defaultReadOptions()
iter := store.db.NewIterator(nil, ropts)
rv := Iterator{
store: store,
iterator: iter,
}
return &rv
}
func newIteratorWithSnapshot(store *Store, snapshot *leveldb.Snapshot) *Iterator {
options := defaultReadOptions()
iter := snapshot.NewIterator(nil, options)
rv := Iterator{
store: store,
iterator: iter,
}
return &rv
}
func (ldi *Iterator) SeekFirst() {
ldi.iterator.First()
}
func (ldi *Iterator) Seek(key []byte) {
ldi.iterator.Seek(key)
}
func (ldi *Iterator) Next() {
ldi.iterator.Next()
}
func (ldi *Iterator) Current() ([]byte, []byte, bool) {
if ldi.Valid() {
return ldi.Key(), ldi.Value(), true
}
return nil, nil, false
}
func (ldi *Iterator) Key() []byte {
return ldi.iterator.Key()
}
func (ldi *Iterator) Value() []byte {
return ldi.iterator.Value()
}
func (ldi *Iterator) Valid() bool {
return ldi.iterator.Valid()
}
func (ldi *Iterator) Close() error {
return nil
}