kafka Endpoint 源码
kafka Endpoint 代码
文件路径：/clients/src/main/java/org/apache/kafka/common/Endpoint.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.common;
import java.util.Objects;
import java.util.Optional;
import org.apache.kafka.common.annotation.InterfaceStability;
import org.apache.kafka.common.security.auth.SecurityProtocol;
/**
* Represents a broker endpoint.
*/
@InterfaceStability.Evolving
public class Endpoint {
private final String listenerName;
private final SecurityProtocol securityProtocol;
private final String host;
private final int port;
public Endpoint(String listenerName, SecurityProtocol securityProtocol, String host, int port) {
this.listenerName = listenerName;
this.securityProtocol = securityProtocol;
this.host = host;
this.port = port;
}
/**
* Returns the listener name of this endpoint. This is non-empty for endpoints provided
* to broker plugins, but may be empty when used in clients.
*/
public Optional<String> listenerName() {
return Optional.ofNullable(listenerName);
}
/**
* Returns the security protocol of this endpoint.
*/
public SecurityProtocol securityProtocol() {
return securityProtocol;
}
/**
* Returns advertised host name of this endpoint.
*/
public String host() {
return host;
}
/**
* Returns the port to which the listener is bound.
*/
public int port() {
return port;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (!(o instanceof Endpoint)) {
return false;
}
Endpoint that = (Endpoint) o;
return Objects.equals(this.listenerName, that.listenerName) &&
Objects.equals(this.securityProtocol, that.securityProtocol) &&
Objects.equals(this.host, that.host) &&
this.port == that.port;
}
@Override
public int hashCode() {
return Objects.hash(listenerName, securityProtocol, host, port);
}
@Override
public String toString() {
return "Endpoint(" +
"listenerName='" + listenerName + '\'' +
", securityProtocol=" + securityProtocol +
", host='" + host + '\'' +
", port=" + port +
')';
}
}
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