69 lines
1.8 KiB
Go
69 lines
1.8 KiB
Go
|
// Copyright (c) 2014 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 collector
|
||
|
|
|
||
|
|
import "github.com/blevesearch/bleve/search"
|
||
|
|
|
||
|
|
type collectStoreSlice struct {
|
||
|
|
slice search.DocumentMatchCollection
|
||
|
|
compare collectorCompare
|
||
|
|
}
|
||
|
|
|
||
|
|
func newStoreSlice(cap int, compare collectorCompare) *collectStoreSlice {
|
||
|
|
rv := &collectStoreSlice{
|
||
|
|
slice: make(search.DocumentMatchCollection, 0, cap),
|
||
|
|
compare: compare,
|
||
|
|
}
|
||
|
|
return rv
|
||
|
|
}
|
||
|
|
|
||
|
|
func (c *collectStoreSlice) Add(doc *search.DocumentMatch) {
|
||
|
|
// find where to insert, starting at end (lowest)
|
||
|
|
i := len(c.slice)
|
||
|
|
for ; i > 0; i-- {
|
||
|
|
cmp := c.compare(doc, c.slice[i-1])
|
||
|
|
if cmp >= 0 {
|
||
|
|
break
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// insert at i
|
||
|
|
c.slice = append(c.slice, nil)
|
||
|
|
copy(c.slice[i+1:], c.slice[i:])
|
||
|
|
c.slice[i] = doc
|
||
|
|
}
|
||
|
|
|
||
|
|
func (c *collectStoreSlice) RemoveLast() *search.DocumentMatch {
|
||
|
|
var rv *search.DocumentMatch
|
||
|
|
rv, c.slice = c.slice[len(c.slice)-1], c.slice[:len(c.slice)-1]
|
||
|
|
return rv
|
||
|
|
}
|
||
|
|
|
||
|
|
func (c *collectStoreSlice) Final(skip int, fixup collectorFixup) (search.DocumentMatchCollection, error) {
|
||
|
|
for i := skip; i < len(c.slice); i++ {
|
||
|
|
err := fixup(c.slice[i])
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if skip <= len(c.slice) {
|
||
|
|
return c.slice[skip:], nil
|
||
|
|
}
|
||
|
|
return search.DocumentMatchCollection{}, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func (c *collectStoreSlice) Len() int {
|
||
|
|
return len(c.slice)
|
||
|
|
}
|