a380cfd8e0
* update bleve to master b17287a86f6cac923a5d886e10618df994eeb54b6724eac2e3b8dde89cfbe3a2 * remove unused pkg from dep file * change bleve from master to recent revision
110 lines
2.2 KiB
Go
Vendored
110 lines
2.2 KiB
Go
Vendored
// Copyright (c) 2015 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 index
|
|
|
|
import (
|
|
"reflect"
|
|
|
|
"github.com/blevesearch/bleve/analysis"
|
|
"github.com/blevesearch/bleve/document"
|
|
"github.com/blevesearch/bleve/size"
|
|
)
|
|
|
|
var reflectStaticSizeAnalysisResult int
|
|
|
|
func init() {
|
|
var ar AnalysisResult
|
|
reflectStaticSizeAnalysisResult = int(reflect.TypeOf(ar).Size())
|
|
}
|
|
|
|
type IndexRow interface {
|
|
KeySize() int
|
|
KeyTo([]byte) (int, error)
|
|
Key() []byte
|
|
|
|
ValueSize() int
|
|
ValueTo([]byte) (int, error)
|
|
Value() []byte
|
|
}
|
|
|
|
type AnalysisResult struct {
|
|
DocID string
|
|
Rows []IndexRow
|
|
|
|
// scorch
|
|
Document *document.Document
|
|
Analyzed []analysis.TokenFrequencies
|
|
Length []int
|
|
}
|
|
|
|
func (a *AnalysisResult) Size() int {
|
|
rv := reflectStaticSizeAnalysisResult
|
|
for _, analyzedI := range a.Analyzed {
|
|
rv += analyzedI.Size()
|
|
}
|
|
rv += len(a.Length) * size.SizeOfInt
|
|
return rv
|
|
}
|
|
|
|
type AnalysisWork struct {
|
|
i Index
|
|
d *document.Document
|
|
rc chan *AnalysisResult
|
|
}
|
|
|
|
func NewAnalysisWork(i Index, d *document.Document, rc chan *AnalysisResult) *AnalysisWork {
|
|
return &AnalysisWork{
|
|
i: i,
|
|
d: d,
|
|
rc: rc,
|
|
}
|
|
}
|
|
|
|
type AnalysisQueue struct {
|
|
queue chan *AnalysisWork
|
|
done chan struct{}
|
|
}
|
|
|
|
func (q *AnalysisQueue) Queue(work *AnalysisWork) {
|
|
q.queue <- work
|
|
}
|
|
|
|
func (q *AnalysisQueue) Close() {
|
|
close(q.done)
|
|
}
|
|
|
|
func NewAnalysisQueue(numWorkers int) *AnalysisQueue {
|
|
rv := AnalysisQueue{
|
|
queue: make(chan *AnalysisWork),
|
|
done: make(chan struct{}),
|
|
}
|
|
for i := 0; i < numWorkers; i++ {
|
|
go AnalysisWorker(rv)
|
|
}
|
|
return &rv
|
|
}
|
|
|
|
func AnalysisWorker(q AnalysisQueue) {
|
|
// read work off the queue
|
|
for {
|
|
select {
|
|
case <-q.done:
|
|
return
|
|
case w := <-q.queue:
|
|
r := w.i.Analyze(w.d)
|
|
w.rc <- r
|
|
}
|
|
}
|
|
}
|