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/*
* 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 org.apache.dubbo.config;
import org.apache.dubbo.common.URL;
import org.apache.dubbo.common.constants.CommonConstants;
import org.apache.dubbo.common.utils.CollectionUtils;
import org.apache.dubbo.common.utils.StringUtils;
import org.apache.dubbo.common.utils.UrlUtils;
import org.apache.dubbo.config.support.Parameter;
import org.apache.dubbo.rpc.model.ApplicationModel;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.atomic.AtomicBoolean;
import static org.apache.dubbo.common.constants.CommonConstants.ANYHOST_VALUE;
import static org.apache.dubbo.common.constants.CommonConstants.CONFIG_CONFIGFILE_KEY;
import static org.apache.dubbo.common.constants.CommonConstants.CONFIG_ENABLE_KEY;
import static org.apache.dubbo.common.constants.CommonConstants.PATH_KEY;
import static org.apache.dubbo.common.constants.CommonConstants.PROTOCOL_KEY;
import static org.apache.dubbo.common.constants.RemotingConstants.BACKUP_KEY;
import static org.apache.dubbo.common.utils.PojoUtils.updatePropertyIfAbsent;
import static org.apache.dubbo.config.Constants.CONFIG_APP_CONFIGFILE_KEY;
import static org.apache.dubbo.config.Constants.ZOOKEEPER_PROTOCOL;
/**
* ConfigCenterConfig
*/
public class ConfigCenterConfig extends AbstractConfig {
private final AtomicBoolean initialized = new AtomicBoolean(false);
private String protocol;
private String address;
private Integer port;
/**
* The config center cluster, it's real meaning may very on different Config Center products.
*/
private String cluster;
/**
* The namespace of the config center, generally it's used for multi-tenant,
* but it's real meaning depends on the actual Config Center you use.
* The default value is CommonConstants.DUBBO
*/
private String namespace;
/**
* The group of the config center, generally it's used to identify an isolated space for a batch of config items,
* but it's real meaning depends on the actual Config Center you use.
* The default value is CommonConstants.DUBBO
*/
private String group;
private String username;
private String password;
/**
* The default value is 30000L;
*/
private Long timeout;
/**
* If the Config Center is given the highest priority, it will override all the other configurations
* The default value is true
* @deprecated no longer used
*/
private Boolean highestPriority;
/**
* Decide the behaviour when initial connection try fails, 'true' means interrupt the whole process once fail.
* The default value is true
*/
private Boolean check;
/**
* Used to specify the key that your properties file mapping to, most of the time you do not need to change this parameter.
* Notice that for Apollo, this parameter is meaningless, set the 'namespace' is enough.
* The default value is CommonConstants.DEFAULT_DUBBO_PROPERTIES
*/
private String configFile;
/**
* the properties file under 'configFile' is global shared while .properties under this one is limited only to this application
*/
private String appConfigFile;
/**
* If the Config Center product you use have some special parameters that is not covered by this class, you can add it to here.
* For example, with XML:
*
*
*
*/
private Map parameters;
private Map externalConfiguration;
private Map appExternalConfiguration;
public ConfigCenterConfig() {
}
public ConfigCenterConfig(ApplicationModel applicationModel) {
super(applicationModel);
}
@Override
protected void checkDefault() {
super.checkDefault();
if (namespace == null) {
namespace = CommonConstants.DUBBO;
}
if (group == null) {
group = CommonConstants.DUBBO;
}
if (timeout == null) {
timeout = 30000L;
}
if (check == null) {
check = true;
}
if (configFile == null) {
configFile = CommonConstants.DEFAULT_DUBBO_PROPERTIES;
}
}
public URL toUrl() {
Map map = new HashMap<>();
appendParameters(map, this);
if (StringUtils.isEmpty(address)) {
address = ANYHOST_VALUE;
}
map.put(PATH_KEY, ConfigCenterConfig.class.getName());
// use 'zookeeper' as the default config center.
if (StringUtils.isEmpty(map.get(PROTOCOL_KEY))) {
map.put(PROTOCOL_KEY, ZOOKEEPER_PROTOCOL);
}
return UrlUtils.parseURL(address, map).setScopeModel(getScopeModel());
}
public boolean checkOrUpdateInitialized(boolean update) {
return initialized.compareAndSet(false, update);
}
public void setInitialized(boolean val) {
initialized.set(val);
}
public Map getExternalConfiguration() {
return externalConfiguration;
}
public Map getAppExternalConfiguration() {
return appExternalConfiguration;
}
public void setExternalConfig(Map externalConfiguration) {
this.externalConfiguration = externalConfiguration;
}
public void setAppExternalConfig(Map appExternalConfiguration) {
this.appExternalConfiguration = appExternalConfiguration;
}
public String getProtocol() {
return protocol;
}
public void setProtocol(String protocol) {
this.protocol = protocol;
}
@Parameter(excluded = true)
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
if (address != null) {
try {
URL url = URL.valueOf(address);
updatePropertyIfAbsent(this::getUsername, this::setUsername, url.getUsername());
updatePropertyIfAbsent(this::getPassword, this::setPassword, url.getPassword());
updatePropertyIfAbsent(this::getProtocol, this::setProtocol, url.getProtocol());
updatePropertyIfAbsent(this::getPort, this::setPort, url.getPort());
Map params = url.getParameters();
if (CollectionUtils.isNotEmptyMap(params)) {
params.remove(BACKUP_KEY);
}
updateParameters(params);
} catch (Exception ignored) {
}
}
}
public Integer getPort() {
return port;
}
public void setPort(Integer port) {
this.port = port;
}
public String getCluster() {
return cluster;
}
public void setCluster(String cluster) {
this.cluster = cluster;
}
public String getNamespace() {
return namespace;
}
public void setNamespace(String namespace) {
this.namespace = namespace;
}
public String getGroup() {
return group;
}
public void setGroup(String group) {
this.group = group;
}
public Boolean isCheck() {
return check;
}
public void setCheck(Boolean check) {
this.check = check;
}
@Deprecated
@Parameter(key = CONFIG_ENABLE_KEY)
public Boolean isHighestPriority() {
return highestPriority;
}
@Deprecated
public void setHighestPriority(Boolean highestPriority) {
this.highestPriority = highestPriority;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public Long getTimeout() {
return timeout;
}
public void setTimeout(Long timeout) {
this.timeout = timeout;
}
@Parameter(key = CONFIG_CONFIGFILE_KEY)
public String getConfigFile() {
return configFile;
}
public void setConfigFile(String configFile) {
this.configFile = configFile;
}
@Parameter(excluded = true, key = CONFIG_APP_CONFIGFILE_KEY)
public String getAppConfigFile() {
return appConfigFile;
}
public void setAppConfigFile(String appConfigFile) {
this.appConfigFile = appConfigFile;
}
public Map getParameters() {
return parameters;
}
public void setParameters(Map parameters) {
this.parameters = parameters;
}
@Override
@Parameter(excluded = true, attribute = false)
public boolean isValid() {
if (StringUtils.isEmpty(address)) {
return false;
}
return address.contains("://") || StringUtils.isNotEmpty(protocol);
}
public void updateParameters(Map parameters) {
if (CollectionUtils.isEmptyMap(parameters)) {
return;
}
if (this.parameters == null) {
this.parameters = parameters;
} else {
this.parameters.putAll(parameters);
}
}
}