kafka SupportedVersionRange 源码
kafka SupportedVersionRange 代码
文件路径：/clients/src/main/java/org/apache/kafka/clients/admin/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.clients.admin;
import java.util.Objects;
/**
* Represents a range of versions that a particular broker supports for some feature.
*/
public class SupportedVersionRange {
private final short minVersion;
private final short maxVersion;
/**
* Raises an exception unless the following conditions are met:
* 1 <= minVersion <= maxVersion.
*
* @param minVersion The minimum version value.
* @param maxVersion The maximum version value.
*
* @throws IllegalArgumentException Raised when the condition described above is not met.
*/
SupportedVersionRange(final short minVersion, final short maxVersion) {
if (minVersion < 0 || maxVersion < 0 || maxVersion < minVersion) {
throw new IllegalArgumentException(
String.format(
"Expected 0 <= minVersion <= maxVersion but received minVersion:%d, maxVersion:%d.",
minVersion,
maxVersion));
}
this.minVersion = minVersion;
this.maxVersion = maxVersion;
}
public short minVersion() {
return minVersion;
}
public short maxVersion() {
return maxVersion;
}
@Override
public boolean equals(Object other) {
if (this == other) {
return true;
}
if (other == null || getClass() != other.getClass()) {
return false;
}
final SupportedVersionRange that = (SupportedVersionRange) other;
return this.minVersion == that.minVersion && this.maxVersion == that.maxVersion;
}
@Override
public int hashCode() {
return Objects.hash(minVersion, maxVersion);
}
@Override
public String toString() {
return String.format("SupportedVersionRange[min_version:%d, max_version:%d]", minVersion, maxVersion);
}
}
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