kafka BrokerRegistrationFencingChange 源码

  • 2022-10-20
  • 浏览 (225)

kafka BrokerRegistrationFencingChange 代码

文件路径:/metadata/src/main/java/org/apache/kafka/metadata/BrokerRegistrationFencingChange.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;

import java.util.Arrays;
import java.util.Map;
import java.util.Optional;
import java.util.function.Function;
import java.util.stream.Collectors;


public enum BrokerRegistrationFencingChange {
    FENCE(1, Optional.of(true)),
    NONE(0, Optional.empty()),
    UNFENCE(-1, Optional.of(false));

    private final byte value;

    private final Optional<Boolean> asBoolean;

    private final static Map<Byte, BrokerRegistrationFencingChange> VALUE_TO_ENUM =
        Arrays.stream(BrokerRegistrationFencingChange.values()).
                collect(Collectors.toMap(v -> Byte.valueOf(v.value()), Function.identity()));

    public static Optional<BrokerRegistrationFencingChange> fromValue(byte value) {
        return Optional.ofNullable(VALUE_TO_ENUM.get(value));
    }

    BrokerRegistrationFencingChange(int value, Optional<Boolean> asBoolean) {
        this.value = (byte) value;
        this.asBoolean = asBoolean;
    }

    public Optional<Boolean> asBoolean() {
        return asBoolean;
    }

    public byte value() {
        return value;
    }
}

相关信息

kafka 源码目录

相关文章

kafka BrokerHeartbeatReply 源码

kafka BrokerRegistration 源码

kafka BrokerRegistrationInControlledShutdownChange 源码

kafka BrokerRegistrationReply 源码

kafka BrokerState 源码

kafka ConfigSynonym 源码

kafka FinalizedControllerFeatures 源码

kafka KafkaConfigSchema 源码

kafka LeaderConstants 源码

kafka LeaderRecoveryState 源码

0  赞