kafka Node 源码
kafka Node 代码
文件路径：/trogdor/src/main/java/org/apache/kafka/trogdor/common/Node.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.kafka.trogdor.common;
import org.apache.kafka.trogdor.agent.Agent;
import org.apache.kafka.trogdor.coordinator.Coordinator;
import java.util.Set;
/**
* Defines a node in a cluster topology
*/
public interface Node {
public static class Util {
public static int getIntConfig(Node node, String key, int defaultVal) {
String val = node.getConfig(key);
if (val == null) {
return defaultVal;
} else {
return Integer.parseInt(val);
}
}
public static int getTrogdorAgentPort(Node node) {
return getIntConfig(node, Platform.Config.TROGDOR_AGENT_PORT, Agent.DEFAULT_PORT);
}
public static int getTrogdorCoordinatorPort(Node node) {
return getIntConfig(node, Platform.Config.TROGDOR_COORDINATOR_PORT, Coordinator.DEFAULT_PORT);
}
}
/**
* Get name for this node.
*/
String name();
/**
* Get hostname for this node.
*/
String hostname();
/**
* Get the configuration value associated with the key, or null if there
* is none.
*/
String getConfig(String key);
/**
* Get the tags for this node.
*/
Set<String> tags();
}
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