org.apache.pulsar.metadata.api.MetadataEventSynchronizer Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
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* 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
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*/
package org.apache.pulsar.metadata.api;
import java.util.concurrent.CompletableFuture;
import java.util.function.Function;
/**
* Metadata synchronizer to notify and synchronize metadata change events.
*/
public interface MetadataEventSynchronizer {
/**
* Notify metadata change event.
* @param event
* metadata change event.
* @return
*/
CompletableFuture notify(MetadataEvent event);
/**
* Register notification listener to sync metadata event in local cluster.
* @param event
*/
void registerSyncListener(Function> event);
/**
* Name of current cluster served by the Synchronizer.
* @return clusterName
*/
String getClusterName();
/**
* close synchronizer resources.
*/
CompletableFuture closeAsync();
}