60 lines
1.5 KiB
Go
60 lines
1.5 KiB
Go
|
// Copyright 2021 The Gitea Authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a MIT-style
|
||
|
|
// license that can be found in the LICENSE file.
|
||
|
|
|
||
|
|
package bleve
|
||
|
|
|
||
|
|
import (
|
||
|
|
"github.com/blevesearch/bleve/v2"
|
||
|
|
)
|
||
|
|
|
||
|
|
// FlushingBatch is a batch of operations that automatically flushes to the
|
||
|
|
// underlying index once it reaches a certain size.
|
||
|
|
type FlushingBatch struct {
|
||
|
|
maxBatchSize int
|
||
|
|
batch *bleve.Batch
|
||
|
|
index bleve.Index
|
||
|
|
}
|
||
|
|
|
||
|
|
// NewFlushingBatch creates a new flushing batch for the specified index. Once
|
||
|
|
// the number of operations in the batch reaches the specified limit, the batch
|
||
|
|
// automatically flushes its operations to the index.
|
||
|
|
func NewFlushingBatch(index bleve.Index, maxBatchSize int) *FlushingBatch {
|
||
|
|
return &FlushingBatch{
|
||
|
|
maxBatchSize: maxBatchSize,
|
||
|
|
batch: index.NewBatch(),
|
||
|
|
index: index,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Index add a new index to batch
|
||
|
|
func (b *FlushingBatch) Index(id string, data interface{}) error {
|
||
|
|
if err := b.batch.Index(id, data); err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
return b.flushIfFull()
|
||
|
|
}
|
||
|
|
|
||
|
|
// Delete add a delete index to batch
|
||
|
|
func (b *FlushingBatch) Delete(id string) error {
|
||
|
|
b.batch.Delete(id)
|
||
|
|
return b.flushIfFull()
|
||
|
|
}
|
||
|
|
|
||
|
|
func (b *FlushingBatch) flushIfFull() error {
|
||
|
|
if b.batch.Size() < b.maxBatchSize {
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
return b.Flush()
|
||
|
|
}
|
||
|
|
|
||
|
|
// Flush submit the batch and create a new one
|
||
|
|
func (b *FlushingBatch) Flush() error {
|
||
|
|
err := b.index.Batch(b.batch)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
b.batch = b.index.NewBatch()
|
||
|
|
return nil
|
||
|
|
}
|