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Merge pull request #1099 from qq5272689/3.0
Imp: load the configure file in another way
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,142 @@ | ||
| /* | ||
| * 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 config | ||
|
|
||
| import ( | ||
| "github.com/apache/dubbo-go/common/extension" | ||
| "github.com/apache/dubbo-go/common/logger" | ||
| "log" | ||
| ) | ||
|
|
||
| type LoaderInitOption interface { | ||
| init() | ||
| apply() | ||
| } | ||
|
|
||
| type optionFunc struct { | ||
| initFunc func() | ||
| applyFunc func() | ||
| } | ||
|
|
||
| func (f *optionFunc) init() { | ||
| f.initFunc() | ||
| } | ||
|
|
||
| func (f *optionFunc) apply() { | ||
| f.applyFunc() | ||
| } | ||
|
|
||
| func ConsumerInitOption(confConFile string) LoaderInitOption { | ||
| return consumerInitOption(confConFile, false) | ||
| } | ||
|
|
||
| func ConsumerMustInitOption(confConFile string) LoaderInitOption { | ||
| return consumerInitOption(confConFile, true) | ||
| } | ||
|
|
||
| func consumerInitOption(confConFile string, must bool) LoaderInitOption { | ||
| return &optionFunc{ | ||
| func() { | ||
| if consumerConfig != nil && !must { | ||
| return | ||
| } | ||
| if errCon := ConsumerInit(confConFile); errCon != nil { | ||
| log.Printf("[consumerInit] %#v", errCon) | ||
| consumerConfig = nil | ||
| } else if confBaseFile == "" { | ||
| // Check if there are some important key fields missing, | ||
| // if so, we set a default value for it | ||
| setDefaultValue(consumerConfig) | ||
| // Even though baseConfig has been initialized, we override it | ||
| // because we think read from config file is correct config | ||
| baseConfig = &consumerConfig.BaseConfig | ||
| } | ||
| }, | ||
| func() { | ||
| loadConsumerConfig() | ||
| }, | ||
| } | ||
| } | ||
|
|
||
| func ProviderInitOption(confProFile string) LoaderInitOption { | ||
| return providerInitOption(confProFile, false) | ||
| } | ||
|
|
||
| func ProviderMustInitOption(confProFile string) LoaderInitOption { | ||
| return providerInitOption(confProFile, true) | ||
| } | ||
|
|
||
| func providerInitOption(confProFile string, must bool) LoaderInitOption { | ||
| return &optionFunc{ | ||
| func() { | ||
| if providerConfig != nil && !must { | ||
| return | ||
| } | ||
| if errPro := ProviderInit(confProFile); errPro != nil { | ||
| log.Printf("[providerInit] %#v", errPro) | ||
| providerConfig = nil | ||
| } else if confBaseFile == "" { | ||
| // Check if there are some important key fields missing, | ||
| // if so, we set a default value for it | ||
| setDefaultValue(providerConfig) | ||
| // Even though baseConfig has been initialized, we override it | ||
| // because we think read from config file is correct config | ||
| baseConfig = &providerConfig.BaseConfig | ||
| } | ||
| }, | ||
| func() { | ||
| loadProviderConfig() | ||
| }, | ||
| } | ||
| } | ||
|
|
||
| func RouterInitOption(crf string) LoaderInitOption { | ||
| return &optionFunc{ | ||
| func() { | ||
| confRouterFile = crf | ||
| }, | ||
| func() { | ||
| initRouter() | ||
| }, | ||
| } | ||
| } | ||
|
|
||
| func BaseInitOption(cbf string) LoaderInitOption { | ||
| return &optionFunc{ | ||
| func() { | ||
| if cbf == "" { | ||
| return | ||
| } | ||
| confBaseFile = cbf | ||
| if err := BaseInit(cbf); err != nil { | ||
| log.Printf("[BaseInit] %#v", err) | ||
| baseConfig = nil | ||
| } | ||
| }, | ||
| func() { | ||
| // init the global event dispatcher | ||
| extension.SetAndInitGlobalDispatcher(GetBaseConfig().EventDispatcherType) | ||
|
|
||
| // start the metadata report if config set | ||
| if err := startMetadataReport(GetApplicationConfig().MetadataType, GetBaseConfig().MetadataReportConfig); err != nil { | ||
| logger.Errorf("Provider starts metadata report error, and the error is {%#v}", err) | ||
| return | ||
| } | ||
| }, | ||
| } | ||
| } |