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strategies.go
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strategies.go
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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: hello@weaviate.io
//
package lsmkv
import (
"fmt"
"github.com/weaviate/weaviate/adapters/repos/db/lsmkv/segmentindex"
)
const (
// StrategyReplace allows for idem-potent PUT where the latest takes presence
StrategyReplace = "replace"
StrategySetCollection = "setcollection"
StrategyMapCollection = "mapcollection"
StrategyRoaringSet = "roaringset"
)
func SegmentStrategyFromString(in string) segmentindex.Strategy {
switch in {
case StrategyReplace:
return segmentindex.StrategyReplace
case StrategySetCollection:
return segmentindex.StrategySetCollection
case StrategyMapCollection:
return segmentindex.StrategyMapCollection
case StrategyRoaringSet:
return segmentindex.StrategyRoaringSet
default:
panic("unsupported strategy")
}
}
func IsExpectedStrategy(strategy string, expectedStrategies ...string) bool {
if len(expectedStrategies) == 0 {
expectedStrategies = []string{StrategyReplace, StrategySetCollection, StrategyMapCollection, StrategyRoaringSet}
}
for _, s := range expectedStrategies {
if s == strategy {
return true
}
}
return false
}
func CheckExpectedStrategy(strategy string, expectedStrategies ...string) {
if !IsExpectedStrategy(strategy, expectedStrategies...) {
panic(fmt.Sprintf("one of strategies %v expected, strategy '%s' found", expectedStrategies, strategy))
}
}