kafka UsableBroker 源码
kafka UsableBroker 代码
文件路径：/metadata/src/main/java/org/apache/kafka/metadata/placement/UsableBroker.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.metadata.placement;
import org.apache.kafka.common.annotation.InterfaceStability;
import java.util.Objects;
import java.util.Optional;
/**
* A broker where a replica can be placed.
*/
@InterfaceStability.Unstable
public class UsableBroker {
private final int id;
private final Optional<String> rack;
private final boolean fenced;
public UsableBroker(int id, Optional<String> rack, boolean fenced) {
this.id = id;
this.rack = rack;
this.fenced = fenced;
}
public int id() {
return id;
}
public Optional<String> rack() {
return rack;
}
public boolean fenced() {
return fenced;
}
@Override
public boolean equals(Object o) {
if (!(o instanceof UsableBroker)) return false;
UsableBroker other = (UsableBroker) o;
return other.id == id && other.rack.equals(rack) && other.fenced == fenced;
}
@Override
public int hashCode() {
return Objects.hash(id,
rack,
fenced);
}
@Override
public String toString() {
return "UsableBroker" +
"(id=" + id +
", rack=" + rack +
", fenced=" + fenced +
")";
}
}
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