initial commit

vendor/github.com/blevesearch/bleve/index/store/batch.go

@@ -0,0 +1,57 @@
+//  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 op struct {
+	K []byte
+	V []byte
+}
+
+type EmulatedBatch struct {
+	Ops    []*op
+	Merger *EmulatedMerge
+}
+
+func NewEmulatedBatch(mo MergeOperator) *EmulatedBatch {
+	return &EmulatedBatch{
+		Ops:    make([]*op, 0, 1000),
+		Merger: NewEmulatedMerge(mo),
+	}
+}
+
+func (b *EmulatedBatch) Set(key, val []byte) {
+	ck := make([]byte, len(key))
+	copy(ck, key)
+	cv := make([]byte, len(val))
+	copy(cv, val)
+	b.Ops = append(b.Ops, &op{ck, cv})
+}
+
+func (b *EmulatedBatch) Delete(key []byte) {
+	ck := make([]byte, len(key))
+	copy(ck, key)
+	b.Ops = append(b.Ops, &op{ck, nil})
+}
+
+func (b *EmulatedBatch) Merge(key, val []byte) {
+	ck := make([]byte, len(key))
+	copy(ck, key)
+	cv := make([]byte, len(val))
+	copy(cv, val)
+	b.Merger.Merge(key, val)
+}
+
+func (b *EmulatedBatch) Reset() {
+	b.Ops = b.Ops[:0]
+}
+
+func (b *EmulatedBatch) Close() error {
+	return nil
+}