dubbo InfraAdapter 源码
dubbo InfraAdapter 代码
文件路径：/dubbo-common/src/main/java/org/apache/dubbo/common/infra/InfraAdapter.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.infra;
import org.apache.dubbo.common.extension.ExtensionScope;
import org.apache.dubbo.common.extension.SPI;
import java.util.Map;
/**
* Used to interact with other systems. Typical use cases are:
* 1. get extra attributes from underlying infrastructures related to the instance on which Dubbo is currently deploying.
* 2. get configurations from third-party systems which maybe useful for a specific component.
*/
@SPI(scope = ExtensionScope.APPLICATION)
public interface InfraAdapter {
/**
* get extra attributes
*
* @param params application name or hostname are most likely to be used as input params.
* @return
*/
Map<String, String> getExtraAttributes(Map<String, String> params);
/**
* @param key
* @return
*/
String getAttribute(String key);
}
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