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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.rpc.cluster.governance;
import org.apache.dubbo.common.config.configcenter.ConfigurationListener;
import org.apache.dubbo.common.config.configcenter.DynamicConfiguration;
import org.apache.dubbo.rpc.model.ModuleModel;
public class DefaultGovernanceRuleRepositoryImpl implements GovernanceRuleRepository {
private ModuleModel moduleModel;
public DefaultGovernanceRuleRepositoryImpl(ModuleModel moduleModel) {
this.moduleModel = moduleModel;
}
@Override
public void addListener(String key, String group, ConfigurationListener listener) {
DynamicConfiguration dynamicConfiguration = getDynamicConfiguration();
if (dynamicConfiguration != null) {
dynamicConfiguration.addListener(key, group, listener);
}
}
@Override
public void removeListener(String key, String group, ConfigurationListener listener) {
DynamicConfiguration dynamicConfiguration = getDynamicConfiguration();
if (dynamicConfiguration != null) {
dynamicConfiguration.removeListener(key, group, listener);
}
}
@Override
public String getRule(String key, String group, long timeout) throws IllegalStateException {
DynamicConfiguration dynamicConfiguration = getDynamicConfiguration();
if (dynamicConfiguration != null) {
return dynamicConfiguration.getConfig(key, group, timeout);
}
return null;
}
private DynamicConfiguration getDynamicConfiguration() {
return moduleModel.getModelEnvironment().getDynamicConfiguration().orElse(null);
}
}