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https://github.com/go-gitea/gitea
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fdf750e4d4
* Update blevesearch v0.8.1 -> v1.0.7 * make vendor Co-authored-by: zeripath <art27@cantab.net>
59 lines
2.2 KiB
Go
59 lines
2.2 KiB
Go
// Copyright (c) 2020 Couchbase, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package segment
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import (
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"github.com/RoaringBitmap/roaring"
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"github.com/blevesearch/bleve/index"
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)
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// Plugin represents the essential functions required by a package to plug in
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// it's segment implementation
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type Plugin interface {
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// Type is the name for this segment plugin
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Type() string
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// Version is a numeric value identifying a specific version of this type.
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// When incompatible changes are made to a particular type of plugin, the
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// version must be incremented.
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Version() uint32
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// New takes a set of AnalysisResults and turns them into a new Segment
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New(results []*index.AnalysisResult) (Segment, uint64, error)
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// Open attempts to open the file at the specified path and
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// return the corresponding Segment
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Open(path string) (Segment, error)
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// Merge takes a set of Segments, and creates a new segment on disk at
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// the specified path.
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// Drops is a set of bitmaps (one for each segment) indicating which
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// documents can be dropped from the segments during the merge.
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// If the closeCh channel is closed, Merge will cease doing work at
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// the next opportunity, and return an error (closed).
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// StatsReporter can optionally be provided, in which case progress
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// made during the merge is reported while operation continues.
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// Returns:
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// A slice of new document numbers (one for each input segment),
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// this allows the caller to know a particular document's new
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// document number in the newly merged segment.
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// The number of bytes written to the new segment file.
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// An error, if any occurred.
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Merge(segments []Segment, drops []*roaring.Bitmap, path string,
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closeCh chan struct{}, s StatsReporter) (
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[][]uint64, uint64, error)
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}
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