chore(project): 添加项目配置文件和忽略规则
- 添加 Babel 配置文件支持 ES6+ 语法转换 - 添加 ESLint 忽略规则和配置文件 - 添加 Git 忽略规则文件 - 添加 Travis CI 配置文件 - 添加 1.4.2 版本变更日志文件 - 添加 Helm 图表辅助模板文件 - 添加 Helm 忽略规则文件
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/*
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* Copyright 1999-2019 Seata.io Group.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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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*/
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package io.seata.config.apollo;
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import java.util.Properties;
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import java.util.Set;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.ConcurrentMap;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.LinkedBlockingQueue;
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import java.util.concurrent.ThreadPoolExecutor;
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import java.util.concurrent.TimeUnit;
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import com.ctrip.framework.apollo.Config;
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import com.ctrip.framework.apollo.ConfigService;
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import com.ctrip.framework.apollo.enums.PropertyChangeType;
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import com.ctrip.framework.apollo.model.ConfigChange;
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import io.netty.util.internal.ConcurrentSet;
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import io.seata.common.exception.NotSupportYetException;
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import io.seata.common.thread.NamedThreadFactory;
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import io.seata.common.util.CollectionUtils;
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import io.seata.common.util.StringUtils;
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import io.seata.config.AbstractConfiguration;
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import io.seata.config.ConfigFuture;
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import io.seata.config.Configuration;
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import io.seata.config.ConfigurationChangeEvent;
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import io.seata.config.ConfigurationChangeListener;
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import io.seata.config.ConfigurationChangeType;
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import io.seata.config.ConfigurationFactory;
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import static io.seata.config.ConfigurationKeys.FILE_CONFIG_SPLIT_CHAR;
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import static io.seata.config.ConfigurationKeys.FILE_ROOT_CONFIG;
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/**
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* The type Apollo configuration.
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*
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* @author: kl @kailing.pub
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*/
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public class ApolloConfiguration extends AbstractConfiguration {
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private static final String REGISTRY_TYPE = "apollo";
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private static final String APP_ID = "appId";
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private static final String APOLLO_META = "apolloMeta";
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private static final String APOLLO_SECRET = "apolloAccesskeySecret";
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private static final String APOLLO_CLUSTER = "seata";
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private static final String APOLLO_CONFIG_SERVICE = "apolloConfigService";
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private static final String PROP_APP_ID = "app.id";
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private static final String PROP_APOLLO_META = "apollo.meta";
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private static final String PROP_APOLLO_CONFIG_SERVICE = "apollo.configService";
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private static final String PROP_APOLLO_SECRET = "apollo.accesskey.secret";
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private static final String PROP_APOLLO_CLUSTER = "apollo.cluster";
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private static final String NAMESPACE = "namespace";
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private static final String DEFAULT_NAMESPACE = "application";
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private static final Configuration FILE_CONFIG = ConfigurationFactory.CURRENT_FILE_INSTANCE;
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private static volatile Config config;
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private ExecutorService configOperateExecutor;
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private static final int CORE_CONFIG_OPERATE_THREAD = 1;
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private static final ConcurrentMap<String, Set<ConfigurationChangeListener>> LISTENER_SERVICE_MAP
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= new ConcurrentHashMap<>();
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private static final int MAX_CONFIG_OPERATE_THREAD = 2;
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private static volatile ApolloConfiguration instance;
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private ApolloConfiguration() {
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readyApolloConfig();
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if (config == null) {
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synchronized (ApolloConfiguration.class) {
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if (config == null) {
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config = ConfigService.getConfig(FILE_CONFIG.getConfig(getApolloNamespaceKey(), DEFAULT_NAMESPACE));
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configOperateExecutor = new ThreadPoolExecutor(CORE_CONFIG_OPERATE_THREAD,
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MAX_CONFIG_OPERATE_THREAD, Integer.MAX_VALUE, TimeUnit.MILLISECONDS,
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new LinkedBlockingQueue<>(),
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new NamedThreadFactory("apolloConfigOperate", MAX_CONFIG_OPERATE_THREAD));
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config.addChangeListener(changeEvent -> {
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for (String key : changeEvent.changedKeys()) {
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if (!LISTENER_SERVICE_MAP.containsKey(key)) {
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continue;
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}
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ConfigChange change = changeEvent.getChange(key);
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ConfigurationChangeEvent event = new ConfigurationChangeEvent(key, change.getNamespace(),
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change.getOldValue(), change.getNewValue(), getChangeType(change.getChangeType()));
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LISTENER_SERVICE_MAP.get(key).forEach(listener -> listener.onProcessEvent(event));
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}
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});
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}
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}
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}
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}
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/**
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* Gets instance.
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*
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* @return the instance
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*/
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public static ApolloConfiguration getInstance() {
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if (instance == null) {
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synchronized (ApolloConfiguration.class) {
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if (instance == null) {
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instance = new ApolloConfiguration();
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}
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}
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}
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return instance;
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}
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@Override
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public String getLatestConfig(String dataId, String defaultValue, long timeoutMills) {
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String value = getConfigFromSysPro(dataId);
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if (value != null) {
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return value;
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}
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ConfigFuture configFuture = new ConfigFuture(dataId, defaultValue, ConfigFuture.ConfigOperation.GET,
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timeoutMills);
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configOperateExecutor.submit(() -> {
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String result = config.getProperty(dataId, defaultValue);
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configFuture.setResult(result);
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});
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return (String) configFuture.get();
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}
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@Override
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public boolean putConfig(String dataId, String content, long timeoutMills) {
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throw new NotSupportYetException("not support putConfig");
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}
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@Override
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public boolean putConfigIfAbsent(String dataId, String content, long timeoutMills) {
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throw new NotSupportYetException("not support atomic operation putConfigIfAbsent");
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}
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@Override
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public boolean removeConfig(String dataId, long timeoutMills) {
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throw new NotSupportYetException("not support removeConfig");
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}
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@Override
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public void addConfigListener(String dataId, ConfigurationChangeListener listener) {
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if (StringUtils.isBlank(dataId) || listener == null) {
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return;
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}
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LISTENER_SERVICE_MAP.computeIfAbsent(dataId, key -> new ConcurrentSet<>())
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.add(listener);
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}
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@Override
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public void removeConfigListener(String dataId, ConfigurationChangeListener listener) {
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if (StringUtils.isBlank(dataId) || listener == null) {
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return;
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}
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Set<ConfigurationChangeListener> configListeners = getConfigListeners(dataId);
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if (CollectionUtils.isNotEmpty(configListeners)) {
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configListeners.remove(listener);
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}
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}
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@Override
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public Set<ConfigurationChangeListener> getConfigListeners(String dataId) {
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return LISTENER_SERVICE_MAP.get(dataId);
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}
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private void readyApolloConfig() {
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Properties properties = System.getProperties();
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if (!properties.containsKey(PROP_APP_ID)) {
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System.setProperty(PROP_APP_ID, FILE_CONFIG.getConfig(getApolloAppIdFileKey()));
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}
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if (!properties.containsKey(PROP_APOLLO_META)) {
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System.setProperty(PROP_APOLLO_META, FILE_CONFIG.getConfig(getApolloMetaFileKey()));
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}
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if (!properties.containsKey(PROP_APOLLO_SECRET)) {
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String secretKey = FILE_CONFIG.getConfig(getApolloSecretFileKey());
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if (!StringUtils.isBlank(secretKey)) {
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System.setProperty(PROP_APOLLO_SECRET, secretKey);
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}
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}
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if (!properties.containsKey(APOLLO_CLUSTER)) {
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System.setProperty(PROP_APOLLO_CLUSTER, FILE_CONFIG.getConfig(getApolloCluster()));
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}
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if (!properties.containsKey(APOLLO_CONFIG_SERVICE)) {
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System.setProperty(PROP_APOLLO_CONFIG_SERVICE, FILE_CONFIG.getConfig(getApolloConfigService()));
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}
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}
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@Override
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public String getTypeName() {
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return REGISTRY_TYPE;
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}
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private static String getApolloMetaFileKey() {
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return String.join(FILE_CONFIG_SPLIT_CHAR, FILE_ROOT_CONFIG, REGISTRY_TYPE, APOLLO_META);
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}
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private static String getApolloSecretFileKey() {
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return String.join(FILE_CONFIG_SPLIT_CHAR, FILE_ROOT_CONFIG, REGISTRY_TYPE, APOLLO_SECRET);
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}
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private static String getApolloAppIdFileKey() {
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return String.join(FILE_CONFIG_SPLIT_CHAR, FILE_ROOT_CONFIG, REGISTRY_TYPE, APP_ID);
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}
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private static String getApolloNamespaceKey() {
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return String.join(FILE_CONFIG_SPLIT_CHAR, FILE_ROOT_CONFIG, REGISTRY_TYPE, NAMESPACE);
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}
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private static String getApolloCluster() {
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return String.join(FILE_CONFIG_SPLIT_CHAR, FILE_ROOT_CONFIG, REGISTRY_TYPE, APOLLO_CLUSTER);
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}
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private static String getApolloConfigService() {
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return String.join(FILE_CONFIG_SPLIT_CHAR, FILE_ROOT_CONFIG, REGISTRY_TYPE, APOLLO_CONFIG_SERVICE);
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}
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private ConfigurationChangeType getChangeType(PropertyChangeType changeType) {
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switch (changeType) {
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case ADDED:
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return ConfigurationChangeType.ADD;
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case DELETED:
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return ConfigurationChangeType.DELETE;
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default:
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return ConfigurationChangeType.MODIFY;
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}
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}
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}
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@@ -0,0 +1,31 @@
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/*
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* Copyright 1999-2019 Seata.io Group.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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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*/
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package io.seata.config.apollo;
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import io.seata.common.loader.LoadLevel;
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import io.seata.config.Configuration;
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import io.seata.config.ConfigurationProvider;
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/**
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* @author xingfudeshi@gmail.com
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*/
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@LoadLevel(name = "Apollo", order = 1)
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public class ApolloConfigurationProvider implements ConfigurationProvider {
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@Override
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public Configuration provide() {
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return ApolloConfiguration.getInstance();
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}
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}
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@@ -0,0 +1 @@
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io.seata.config.apollo.ApolloConfigurationProvider
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