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102 lines
2.2 KiB
102 lines
2.2 KiB
4 years ago
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// Copyright (c) 2020 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 index
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import "fmt"
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type BatchCallback func(error)
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type Batch struct {
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IndexOps map[string]Document
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InternalOps map[string][]byte
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persistedCallback BatchCallback
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}
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func NewBatch() *Batch {
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return &Batch{
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IndexOps: make(map[string]Document),
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InternalOps: make(map[string][]byte),
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}
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}
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func (b *Batch) Update(doc Document) {
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b.IndexOps[doc.ID()] = doc
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}
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func (b *Batch) Delete(id string) {
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b.IndexOps[id] = nil
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}
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func (b *Batch) SetInternal(key, val []byte) {
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b.InternalOps[string(key)] = val
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}
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func (b *Batch) DeleteInternal(key []byte) {
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b.InternalOps[string(key)] = nil
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}
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func (b *Batch) SetPersistedCallback(f BatchCallback) {
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b.persistedCallback = f
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}
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func (b *Batch) PersistedCallback() BatchCallback {
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return b.persistedCallback
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}
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func (b *Batch) String() string {
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rv := fmt.Sprintf("Batch (%d ops, %d internal ops)\n", len(b.IndexOps), len(b.InternalOps))
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for k, v := range b.IndexOps {
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if v != nil {
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rv += fmt.Sprintf("\tINDEX - '%s'\n", k)
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} else {
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rv += fmt.Sprintf("\tDELETE - '%s'\n", k)
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}
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}
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for k, v := range b.InternalOps {
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if v != nil {
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rv += fmt.Sprintf("\tSET INTERNAL - '%s'\n", k)
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} else {
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rv += fmt.Sprintf("\tDELETE INTERNAL - '%s'\n", k)
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}
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}
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return rv
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}
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func (b *Batch) Reset() {
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b.IndexOps = make(map[string]Document)
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b.InternalOps = make(map[string][]byte)
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b.persistedCallback = nil
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}
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func (b *Batch) Merge(o *Batch) {
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for k, v := range o.IndexOps {
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b.IndexOps[k] = v
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}
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for k, v := range o.InternalOps {
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b.InternalOps[k] = v
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}
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}
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func (b *Batch) TotalDocSize() int {
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var s int
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for k, v := range b.IndexOps {
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if v != nil {
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s += v.Size() + sizeOfString
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}
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s += len(k)
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}
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return s
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}
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