67 lines
1.7 KiB
Go
Vendored
67 lines
1.7 KiB
Go
Vendored
package rupture
|
|
|
|
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 interface {
|
|
// Index adds the specified index operation batch, possibly triggering a
|
|
// flush.
|
|
Index(id string, data interface{}) error
|
|
// Remove adds the specified delete operation to the batch, possibly
|
|
// triggering a flush.
|
|
Delete(id string) error
|
|
// Flush flushes the batch's contents.
|
|
Flush() error
|
|
}
|
|
|
|
type singleIndexFlushingBatch struct {
|
|
maxBatchSize int
|
|
batch *bleve.Batch
|
|
index bleve.Index
|
|
}
|
|
|
|
func newFlushingBatch(index bleve.Index, maxBatchSize int) *singleIndexFlushingBatch {
|
|
return &singleIndexFlushingBatch{
|
|
maxBatchSize: maxBatchSize,
|
|
batch: index.NewBatch(),
|
|
index: 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 newFlushingBatch(index, maxBatchSize)
|
|
}
|
|
|
|
func (b *singleIndexFlushingBatch) Index(id string, data interface{}) error {
|
|
if err := b.batch.Index(id, data); err != nil {
|
|
return err
|
|
}
|
|
return b.flushIfFull()
|
|
}
|
|
|
|
func (b *singleIndexFlushingBatch) Delete(id string) error {
|
|
b.batch.Delete(id)
|
|
return b.flushIfFull()
|
|
}
|
|
|
|
func (b *singleIndexFlushingBatch) flushIfFull() error {
|
|
if b.batch.Size() < b.maxBatchSize {
|
|
return nil
|
|
}
|
|
return b.Flush()
|
|
}
|
|
|
|
func (b *singleIndexFlushingBatch) Flush() error {
|
|
err := b.index.Batch(b.batch)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
b.batch.Reset()
|
|
return nil
|
|
}
|