KAFKA-9422: Track the set of topics a connector is using (KIP-558) #8017
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,110 @@ | ||
| /* | ||
| * 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.connect.runtime; | ||
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| import org.apache.kafka.connect.util.ConnectorTaskId; | ||
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| import java.util.Objects; | ||
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| /** | ||
| * Represents the metadata that is stored as the value of the record that is stored in the | ||
| * {@link org.apache.kafka.connect.storage.StatusBackingStore#put(TopicStatus)}, | ||
| */ | ||
| public class TopicStatus { | ||
| private final String topic; | ||
| private final String connector; | ||
| private final int task; | ||
| private final long discoverTimestamp; | ||
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| public TopicStatus(String topic, ConnectorTaskId task, long discoverTimestamp) { | ||
| this(topic, task.connector(), task.task(), discoverTimestamp); | ||
| } | ||
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| public TopicStatus(String topic, String connector, int task, long discoverTimestamp) { | ||
| this.topic = Objects.requireNonNull(topic); | ||
| this.connector = Objects.requireNonNull(connector); | ||
| this.task = task; | ||
| this.discoverTimestamp = discoverTimestamp; | ||
| } | ||
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| /** | ||
| * Get the name of the topic. | ||
| * | ||
| * @return the topic name; never null | ||
| */ | ||
| public String topic() { | ||
| return topic; | ||
| } | ||
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| /** | ||
| * Get the name of the connector. | ||
| * | ||
| * @return the connector name; never null | ||
| */ | ||
| public String connector() { | ||
| return connector; | ||
| } | ||
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| /** | ||
| * Get the ID of the task that stored the topic status. | ||
| * | ||
| * @return the task ID | ||
| */ | ||
| public int task() { | ||
| return task; | ||
| } | ||
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| /** | ||
| * Get a timestamp that represents when this topic was discovered as being actively used by | ||
| * this connector. | ||
| * | ||
| * @return the discovery timestamp | ||
| */ | ||
| public long discoverTimestamp() { | ||
| return discoverTimestamp; | ||
| } | ||
|
rhauch marked this conversation as resolved.
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| @Override | ||
| public String toString() { | ||
| return "TopicStatus{" + | ||
| "topic='" + topic + '\'' + | ||
| ", connector='" + connector + '\'' + | ||
| ", task=" + task + | ||
| ", discoverTimestamp=" + discoverTimestamp + | ||
| '}'; | ||
| } | ||
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| @Override | ||
| public boolean equals(Object o) { | ||
| if (this == o) { | ||
| return true; | ||
| } | ||
| if (!(o instanceof TopicStatus)) { | ||
| return false; | ||
| } | ||
| TopicStatus that = (TopicStatus) o; | ||
| return task == that.task && | ||
| discoverTimestamp == that.discoverTimestamp && | ||
| topic.equals(that.topic) && | ||
| connector.equals(that.connector); | ||
| } | ||
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| @Override | ||
| public int hashCode() { | ||
| return Objects.hash(topic, connector, task, discoverTimestamp); | ||
| } | ||
| } | ||
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