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index.go
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index.go
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// Licensed to Apache Software Foundation (ASF) under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Apache Software Foundation (ASF) licenses this file to you 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 partition
import (
databasev1 "github.com/apache/skywalking-banyandb/api/proto/banyandb/database/v1"
)
// IndexRuleLocator is a helper struct to locate the index rule by tag name.
type IndexRuleLocator struct {
EntitySet map[string]struct{}
TagFamilyTRule []map[string]*databasev1.IndexRule
}
// ParseIndexRuleLocators returns a IndexRuleLocator based on the tag family spec and index rules.
func ParseIndexRuleLocators(entity *databasev1.Entity, families []*databasev1.TagFamilySpec, indexRules []*databasev1.IndexRule) (locators IndexRuleLocator) {
locators.EntitySet = make(map[string]struct{}, len(entity.TagNames))
for i := range entity.TagNames {
locators.EntitySet[entity.TagNames[i]] = struct{}{}
}
findIndexRuleByTagName := func(tagName string) *databasev1.IndexRule {
for i := range indexRules {
for j := range indexRules[i].Tags {
if indexRules[i].Tags[j] == tagName {
return indexRules[i]
}
}
}
return nil
}
for i := range families {
ttr := make(map[string]*databasev1.IndexRule)
locators.TagFamilyTRule = append(locators.TagFamilyTRule, ttr)
for j := range families[i].Tags {
ir := findIndexRuleByTagName(families[i].Tags[j].Name)
if ir != nil {
ttr[families[i].Tags[j].Name] = ir
}
}
}
return locators
}