dubbo AbstractDynamicConfigurationFactory 源码
dubbo AbstractDynamicConfigurationFactory 代码
文件路径：/dubbo-common/src/main/java/org/apache/dubbo/common/config/configcenter/AbstractDynamicConfigurationFactory.java
/*
* 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.common.config.configcenter;
import org.apache.dubbo.common.URL;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import static org.apache.dubbo.common.constants.CommonConstants.DEFAULT_KEY;
/**
* Abstract {@link DynamicConfigurationFactory} implementation with cache ability
*
* @see DynamicConfigurationFactory
* @since 2.7.5
*/
public abstract class AbstractDynamicConfigurationFactory implements DynamicConfigurationFactory {
private volatile Map<String, DynamicConfiguration> dynamicConfigurations = new ConcurrentHashMap<>();
@Override
public final DynamicConfiguration getDynamicConfiguration(URL url) {
String key = url == null ? DEFAULT_KEY : url.toServiceString();
return dynamicConfigurations.computeIfAbsent(key, k -> createDynamicConfiguration(url));
}
protected abstract DynamicConfiguration createDynamicConfiguration(URL url);
}
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