common/extension/config_center.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 extension

import (
	"errors"
)

import (
	"dubbo.apache.org/dubbo-go/v3/common"
	"dubbo.apache.org/dubbo-go/v3/config_center"
)

var configCenters = make(map[string]func(config *common.URL) (config_center.DynamicConfiguration, error))

// SetConfigCenter sets the DynamicConfiguration with @name
func SetConfigCenter(name string, v func(*common.URL) (config_center.DynamicConfiguration, error)) {
	configCenters[name] = v
}

// GetConfigCenter finds the DynamicConfiguration with @name
func GetConfigCenter(name string, config *common.URL) (config_center.DynamicConfiguration, error) {
	configCenterFactory := configCenters[name]
	if configCenterFactory == nil {
		return nil, errors.New("config center for " + name + " is not existing, make sure you have import the package.")
	}
	configCenter, err := configCenterFactory(config)
	if err != nil {
		return nil, err
	}
	return configCenter, nil
}