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66 lines
1.9 KiB
Go
66 lines
1.9 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. 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 config
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// Event Constant
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const (
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UpdateType = "UPDATE"
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DeleteType = "DELETE"
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CreateType = "CREATE"
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)
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type Event struct {
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EventSource string
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EventType string
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Key string
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Value string
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HasUpdated bool
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}
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func newEvent(eventSource, eventType string, key string, value string) *Event {
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return &Event{
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EventSource: eventSource,
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EventType: eventType,
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Key: key,
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Value: value,
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HasUpdated: false,
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}
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}
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func PopulateEvents(source string, currentConfig, updatedConfig map[string]string) ([]*Event, error) {
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events := make([]*Event, 0)
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// generate create and update event
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for key, value := range updatedConfig {
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currentValue, ok := currentConfig[key]
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if !ok { // if new configuration introduced
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events = append(events, newEvent(source, CreateType, key, value))
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} else if currentValue != value {
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events = append(events, newEvent(source, UpdateType, key, value))
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}
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}
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// generate delete event
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for key, value := range currentConfig {
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_, ok := updatedConfig[key]
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if !ok { // when old config not present in new config
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events = append(events, newEvent(source, DeleteType, key, value))
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}
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}
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return events, nil
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}
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