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