63 lines
1.4 KiB
Go
63 lines
1.4 KiB
Go
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// Copyright (c) 2014 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 store
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type op struct {
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K []byte
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V []byte
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}
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type EmulatedBatch struct {
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Ops []*op
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Merger *EmulatedMerge
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}
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func NewEmulatedBatch(mo MergeOperator) *EmulatedBatch {
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return &EmulatedBatch{
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Ops: make([]*op, 0, 1000),
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Merger: NewEmulatedMerge(mo),
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}
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}
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func (b *EmulatedBatch) Set(key, val []byte) {
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ck := make([]byte, len(key))
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copy(ck, key)
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cv := make([]byte, len(val))
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copy(cv, val)
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b.Ops = append(b.Ops, &op{ck, cv})
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}
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func (b *EmulatedBatch) Delete(key []byte) {
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ck := make([]byte, len(key))
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copy(ck, key)
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b.Ops = append(b.Ops, &op{ck, nil})
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}
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func (b *EmulatedBatch) Merge(key, val []byte) {
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ck := make([]byte, len(key))
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copy(ck, key)
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cv := make([]byte, len(val))
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copy(cv, val)
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b.Merger.Merge(key, val)
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}
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func (b *EmulatedBatch) Reset() {
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b.Ops = b.Ops[:0]
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}
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func (b *EmulatedBatch) Close() error {
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return nil
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}
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