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bleve/index/store/kvstore.go
Marty Schoch a9c07acbfa refactor of kvstore api to support native merge in rocksdb
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
2015-04-24 17:13:50 -04:00

54 lines
1.3 KiB
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// 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 store
type KVBatch interface {
Set(key, val []byte)
Delete(key []byte)
Merge(key, val []byte)
Execute() error
Close() error
}
type KVIterator interface {
SeekFirst()
Seek([]byte)
Next()
Current() ([]byte, []byte, bool)
Key() []byte
Value() []byte
Valid() bool
Close() error
}
type KVStore interface {
Open() error
SetMergeOperator(MergeOperator)
Writer() (KVWriter, error)
Reader() (KVReader, error)
Close() error
}
type KVWriter interface {
KVReader
Set(key, val []byte) error
Delete(key []byte) error
NewBatch() KVBatch
}
type KVReader interface {
BytesSafeAfterClose() bool
Get(key []byte) ([]byte, error)
Iterator(key []byte) KVIterator
Close() error
}