kafka InternalTopicProperties 源码
kafka InternalTopicProperties 代码
文件路径：/streams/src/main/java/org/apache/kafka/streams/processor/internals/InternalTopicProperties.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.streams.processor.internals;
import java.util.Optional;
public class InternalTopicProperties {
private final Integer numberOfPartitions;
public InternalTopicProperties(final Integer numberOfPartitions) {
this.numberOfPartitions = numberOfPartitions;
}
public Optional<Integer> getNumberOfPartitions() {
return Optional.ofNullable(numberOfPartitions);
}
public static InternalTopicProperties empty() {
return new InternalTopicProperties(null);
}
@Override
public String toString() {
return "InternalTopicProperties{" +
"numberOfPartitions=" + numberOfPartitions +
'}';
}
}
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