server/service/kv/override.go

/*
 * Licensed to the 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.
 * The 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 kv

import (
	"context"

	"github.com/apache/servicecomb-kie/pkg/model"
	"github.com/go-chassis/cari/pkg/errsvc"
)

var strategyMap = make(map[string]OverrideStrategy)

type OverrideStrategy interface {
	Execute(ctx context.Context, input *model.KVDoc) (*model.KVDoc, *errsvc.Error)
}

func RegisterStrategy(override string, strategy OverrideStrategy) {
	strategyMap[override] = strategy
}

func SelectStrategy(override string) OverrideStrategy {
	return strategyMap[override]
}