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ConsistentHashingTopicBundleAssigner.java
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ConsistentHashingTopicBundleAssigner.java
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/*
* 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.pulsar.common.naming;
import org.apache.pulsar.broker.PulsarService;
public class ConsistentHashingTopicBundleAssigner implements TopicBundleAssignmentStrategy {
private PulsarService pulsarService;
@Override
public NamespaceBundle findBundle(TopicName topicName, NamespaceBundles namespaceBundles) {
long hashCode =
pulsarService.getNamespaceService().getNamespaceBundleFactory().getLongHashCode(topicName.toString());
NamespaceBundle bundle = namespaceBundles.getBundle(hashCode);
if (topicName.getDomain().equals(TopicDomain.non_persistent)) {
bundle.setHasNonPersistentTopic(true);
}
return bundle;
}
@Override
public void init(PulsarService pulsarService) {
this.pulsarService = pulsarService;
}
}