com.ctrip.framework.apollo.model.ConfigChange Java Exaples

Source File: SimpleConfig.java From apollo with Apache License 2.0

6 votes

@Override
public synchronized void onRepositoryChange(String namespace, Properties newProperties) {
  if (newProperties.equals(m_configProperties)) {
    return;
  }
  Properties newConfigProperties = propertiesFactory.getPropertiesInstance();
  newConfigProperties.putAll(newProperties);

  List<ConfigChange> changes = calcPropertyChanges(namespace, m_configProperties, newConfigProperties);
  Map<String, ConfigChange> changeMap = Maps.uniqueIndex(changes,
      new Function<ConfigChange, String>() {
        @Override
        public String apply(ConfigChange input) {
          return input.getPropertyName();
        }
      });

  updateConfig(newConfigProperties, m_configRepository.getSourceType());
  clearConfigCache();

  this.fireConfigChange(new ConfigChangeEvent(m_namespace, changeMap));

  Tracer.logEvent("Apollo.Client.ConfigChanges", m_namespace);
}

Source File: DefaultConfig.java From apollo with Apache License 2.0

6 votes

@Override
public synchronized void onRepositoryChange(String namespace, Properties newProperties) {
  if (newProperties.equals(m_configProperties.get())) {
    return;
  }

  ConfigSourceType sourceType = m_configRepository.getSourceType();
  Properties newConfigProperties = propertiesFactory.getPropertiesInstance();
  newConfigProperties.putAll(newProperties);

  Map<String, ConfigChange> actualChanges = updateAndCalcConfigChanges(newConfigProperties, sourceType);

  //check double checked result
  if (actualChanges.isEmpty()) {
    return;
  }

  this.fireConfigChange(new ConfigChangeEvent(m_namespace, actualChanges));

  Tracer.logEvent("Apollo.Client.ConfigChanges", m_namespace);
}

Source File: JavaConfigAnnotationTest.java From apollo with Apache License 2.0

6 votes

@Test
public void testApolloConfigChangeListenerWithYamlFile() throws Exception {
  String someKey = "someKey";
  String someValue = "someValue";
  String anotherValue = "anotherValue";

  YamlConfigFile configFile = prepareYamlConfigFile(APPLICATION_YAML_NAMESPACE,
      readYamlContentAsConfigFileProperties("case9.yml"));

  TestApolloConfigChangeListenerWithYamlFile bean = getBean(TestApolloConfigChangeListenerWithYamlFile.class, AppConfig9.class);

  Config yamlConfig = bean.getYamlConfig();
  SettableFuture<ConfigChangeEvent> future = bean.getConfigChangeEventFuture();

  assertEquals(someValue, yamlConfig.getProperty(someKey, null));
  assertFalse(future.isDone());

  configFile.onRepositoryChange(APPLICATION_YAML_NAMESPACE, readYamlContentAsConfigFileProperties("case9-new.yml"));

  ConfigChangeEvent configChangeEvent = future.get(100, TimeUnit.MILLISECONDS);
  ConfigChange change = configChangeEvent.getChange(someKey);
  assertEquals(someValue, change.getOldValue());
  assertEquals(anotherValue, change.getNewValue());

  assertEquals(anotherValue, yamlConfig.getProperty(someKey, null));
}

Source File: SimpleApolloConfigDemo.java From apollo with Apache License 2.0

6 votes

public SimpleApolloConfigDemo() {
  ConfigChangeListener changeListener = new ConfigChangeListener() {
    @Override
    public void onChange(ConfigChangeEvent changeEvent) {
      logger.info("Changes for namespace {}", changeEvent.getNamespace());
      for (String key : changeEvent.changedKeys()) {
        ConfigChange change = changeEvent.getChange(key);
        logger.info("Change - key: {}, oldValue: {}, newValue: {}, changeType: {}",
            change.getPropertyName(), change.getOldValue(), change.getNewValue(),
            change.getChangeType());
      }
    }
  };
  config = ConfigService.getAppConfig();
  config.addChangeListener(changeListener);
}

Source File: ApolloCenterRepository.java From shardingsphere with Apache License 2.0

6 votes

@Override
public void watch(final String key, final DataChangedEventListener dataChangedEventListener) {
    String apolloKey = ConfigKeyUtils.pathToKey(key);
    caches.put(apolloKey, dataChangedEventListener);
    ConfigChangeListener listener = changeEvent -> {
        for (String changeKey : changeEvent.changedKeys()) {
            ConfigChange change = changeEvent.getChange(changeKey);
            DataChangedEvent.ChangedType changedType = getChangedType(change.getChangeType());
            if (DataChangedEvent.ChangedType.IGNORED == changedType) {
                continue;
            }
            if (caches.get(changeKey) == null) {
                continue;
            }
            caches.get(changeKey).onChange(new DataChangedEvent(ConfigKeyUtils.keyToPath(changeKey), change.getNewValue(), changedType));
        }
    };
    configWrapper.addChangeListener(listener, Collections.singleton(apolloKey), Collections.singleton(apolloKey));
}

Source File: ApolloConfigLoader.java From tunnel with Apache License 2.0

5 votes

@Override
public void onChange(ConfigChangeEvent changeEvent) {
    Set<String> keys = changeEvent.changedKeys();
    for (String key : keys) {
        ConfigChange change = changeEvent.getChange(key);
        if (change == null) {
            continue;
        }

        String oldValue = change.getOldValue();
        String newValue = change.getNewValue();
        configListener.onChange(key, oldValue, newValue);
    }
}

Source File: ApolloDataSource.java From Sentinel-Dashboard-Nacos with Apache License 2.0

5 votes

private void initializeConfigChangeListener() {
    configChangeListener = new ConfigChangeListener() {
        @Override
        public void onChange(ConfigChangeEvent changeEvent) {
            ConfigChange change = changeEvent.getChange(ruleKey);
            //change is never null because the listener will only notify for this key
            if (change != null) {
                RecordLog.info("[ApolloDataSource] Received config changes: " + change.toString());
            }
            loadAndUpdateRules();
        }
    };
    config.addChangeListener(configChangeListener, Sets.newHashSet(ruleKey));
}

Source File: ApolloConfigLoader.java From tunnel with Apache License 2.0

5 votes

@Override
public void onChange(ConfigChangeEvent changeEvent) {
    Set<String> keys = changeEvent.changedKeys();
    for (String key : keys) {
        ConfigChange change = changeEvent.getChange(key);
        if (change == null) {
            continue;
        }

        String oldValue = change.getOldValue();
        String newValue = change.getNewValue();
        configListener.onChange(key, oldValue, newValue);
    }
}

Source File: ApolloConfig.java From java-tutorial with MIT License

5 votes

@ApolloConfigChangeListener(ConfigConsts.NAMESPACE_APPLICATION)
public void onChange(ConfigChangeEvent changeEvent) {
    logger.info("before refresh");
    for (String changedKey : changeEvent.changedKeys()) {
        logger.info("===============================================================");
        logger.info("changedKey:{} value:{}", changedKey, changeEvent.getChange(changedKey));
        ConfigChange configChange = changeEvent.getChange(changedKey);
        configChange.getOldValue();
    }
    refreshScope.refreshAll();
    logger.info("after refresh");
}

Source File: ApolloDataSource.java From Sentinel with Apache License 2.0

5 votes

private void initializeConfigChangeListener() {
    configChangeListener = new ConfigChangeListener() {
        @Override
        public void onChange(ConfigChangeEvent changeEvent) {
            ConfigChange change = changeEvent.getChange(ruleKey);
            //change is never null because the listener will only notify for this key
            if (change != null) {
                RecordLog.info("[ApolloDataSource] Received config changes: " + change.toString());
            }
            loadAndUpdateRules();
        }
    };
    config.addChangeListener(configChangeListener, Sets.newHashSet(ruleKey));
}

Source File: ApolloConfigManager.java From jboot with Apache License 2.0

5 votes

public void init(JbootConfigManager configManager) {

        ApolloServerConfig apolloServerConfig = configManager.get(ApolloServerConfig.class);
        if (!apolloServerConfig.isEnable() || !apolloServerConfig.isConfigOk()){
            return;
        }

        Config config = getDefaultConfig();

        Set<String> propNames = config.getPropertyNames();
        if (propNames != null && !propNames.isEmpty()) {
            for (String name : propNames) {
                String value = config.getProperty(name, null);
                configManager.setRemoteProperty(name, value);
            }
        }

        config.addChangeListener(changeEvent -> {
            for (String key : changeEvent.changedKeys()) {
                ConfigChange change = changeEvent.getChange(key);
                configManager.setRemoteProperty(change.getPropertyName(), change.getNewValue());
            }

            configManager.notifyChangeListeners(changeEvent.changedKeys());
        });

    }

Source File: FlinkApolloTest.java From flink-learning with Apache License 2.0

4 votes

public static void main(String[] args) throws Exception {
    StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
    env.getConfig().setGlobalJobParameters(ParameterTool.fromArgs(args));
    env.setParallelism(1);

    env.addSource(new RichSourceFunction<String>() {

        private Config config;

        @Override
        public void open(Configuration parameters) throws Exception {
            super.open(parameters);
            config = ConfigService.getAppConfig();
            config.addChangeListener(new ConfigChangeListener() {
                @Override
                public void onChange(ConfigChangeEvent configChangeEvent) {
                    for (String key : configChangeEvent.changedKeys()) {
                        ConfigChange change = configChangeEvent.getChange(key);
                        log.info("Change - key: {}, oldValue: {}, newValue: {}, changeType: {}",
                                change.getPropertyName(), change.getOldValue(), change.getNewValue(),
                                change.getChangeType());
                    }
                }
            });
        }

        @Override
        public void run(SourceContext<String> ctx) throws Exception {
            while (true) {
                ctx.collect(config.getProperty("name", "zhisheng"));
                Thread.sleep(3000);
            }
        }

        @Override
        public void cancel() {
        }
    }).print();

    env.execute("zhisheng flink Apollo");
}

Source File: FlinkApolloTest.java From flink-learning with Apache License 2.0

4 votes

public static void main(String[] args) throws Exception {
    StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
    env.getConfig().setGlobalJobParameters(ParameterTool.fromArgs(args));
    env.setParallelism(1);

    env.addSource(new RichSourceFunction<String>() {

        private Config config;

        @Override
        public void open(Configuration parameters) throws Exception {
            super.open(parameters);
            config = ConfigService.getAppConfig();
            config.addChangeListener(new ConfigChangeListener() {
                @Override
                public void onChange(ConfigChangeEvent configChangeEvent) {
                    for (String key : configChangeEvent.changedKeys()) {
                        ConfigChange change = configChangeEvent.getChange(key);
                        log.info("Change - key: {}, oldValue: {}, newValue: {}, changeType: {}",
                                change.getPropertyName(), change.getOldValue(), change.getNewValue(),
                                change.getChangeType());
                    }
                }
            });
        }

        @Override
        public void run(SourceContext<String> ctx) throws Exception {
            while (true) {
                ctx.collect(config.getProperty("name", "zhisheng"));
                Thread.sleep(3000);
            }
        }

        @Override
        public void cancel() {
        }
    }).print();

    env.execute("zhisheng flink Apollo");
}

Source File: AbstractConfig.java From apollo with Apache License 2.0

4 votes

List<ConfigChange> calcPropertyChanges(String namespace, Properties previous,
                                       Properties current) {
  if (previous == null) {
    previous = propertiesFactory.getPropertiesInstance();
  }

  if (current == null) {
    current =  propertiesFactory.getPropertiesInstance();
  }

  Set<String> previousKeys = previous.stringPropertyNames();
  Set<String> currentKeys = current.stringPropertyNames();

  Set<String> commonKeys = Sets.intersection(previousKeys, currentKeys);
  Set<String> newKeys = Sets.difference(currentKeys, commonKeys);
  Set<String> removedKeys = Sets.difference(previousKeys, commonKeys);

  List<ConfigChange> changes = Lists.newArrayList();

  for (String newKey : newKeys) {
    changes.add(new ConfigChange(namespace, newKey, null, current.getProperty(newKey),
        PropertyChangeType.ADDED));
  }

  for (String removedKey : removedKeys) {
    changes.add(new ConfigChange(namespace, removedKey, previous.getProperty(removedKey), null,
        PropertyChangeType.DELETED));
  }

  for (String commonKey : commonKeys) {
    String previousValue = previous.getProperty(commonKey);
    String currentValue = current.getProperty(commonKey);
    if (Objects.equal(previousValue, currentValue)) {
      continue;
    }
    changes.add(new ConfigChange(namespace, commonKey, previousValue, currentValue,
        PropertyChangeType.MODIFIED));
  }

  return changes;
}

Source File: GatewayPropertiesRefresher.java From apollo-use-cases with Apache License 2.0

3 votes

/***
 * 根据changeEvent和定义的pattern匹配key，如果所有对应PropertyChangeType为DELETED则需要清空GatewayProperties里相关集合
 *
 * @param changeEvent
 * @param pattern
 * @param existSize
 * @return boolean
 * @author ksewen
 * @date 2019/5/23 2:18 PM
 */
private boolean checkNeedClear(ConfigChangeEvent changeEvent, String pattern, int existSize) {

    return changeEvent.changedKeys().stream().filter(key -> key.matches(pattern))
            .filter(key -> {
                ConfigChange change = changeEvent.getChange(key);
                return PropertyChangeType.DELETED.equals(change.getChangeType());
            }).count() == existSize;
}

com.ctrip.framework.apollo.model.ConfigChange Java Examples