kafka SupportedVersionRange 源码
kafka SupportedVersionRange 代码
文件路径：/clients/src/main/java/org/apache/kafka/common/feature/SupportedVersionRange.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.feature;
import java.util.Map;
/**
* An extended {@link BaseVersionRange} representing the min/max versions for a supported feature.
*/
public class SupportedVersionRange extends BaseVersionRange {
// Label for the min version key, that's used only to convert to/from a map.
private static final String MIN_VERSION_KEY_LABEL = "min_version";
// Label for the max version key, that's used only to convert to/from a map.
private static final String MAX_VERSION_KEY_LABEL = "max_version";
public SupportedVersionRange(short minVersion, short maxVersion) {
super(MIN_VERSION_KEY_LABEL, minVersion, MAX_VERSION_KEY_LABEL, maxVersion);
}
public SupportedVersionRange(short maxVersion) {
this((short) 1, maxVersion);
}
public static SupportedVersionRange fromMap(Map<String, Short> versionRangeMap) {
return new SupportedVersionRange(
BaseVersionRange.valueOrThrow(MIN_VERSION_KEY_LABEL, versionRangeMap),
BaseVersionRange.valueOrThrow(MAX_VERSION_KEY_LABEL, versionRangeMap));
}
/**
* Checks if the version level does *NOT* fall within the [min, max] range of this SupportedVersionRange.
*
* @param version the version to be checked
*
* @return - true, if the version levels are incompatible
* - false otherwise
*/
public boolean isIncompatibleWith(short version) {
return min() > version || max() < version;
}
}
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