org.apache.bookkeeper.client.api.ForceableHandle Maven / Gradle / Ivy
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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
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* KIND, either express or implied. See the License for the
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*
*/
package org.apache.bookkeeper.client.api;
import java.util.concurrent.CompletableFuture;
import org.apache.bookkeeper.common.annotation.InterfaceAudience.Public;
import org.apache.bookkeeper.common.annotation.InterfaceStability.Unstable;
/**
* Provide the ability to enforce durability guarantees to the writer.
*
* @see WriteAdvHandle
* @see WriteHandle
*
* @since 4.8
*/
@Public
@Unstable
public interface ForceableHandle {
/**
* Enforce durability to the entries written by this handle.
* This API is useful with {@link WriteFlag#DEFERRED_SYNC}, because with
* that flag writes are acknowledged by the bookie without waiting for a
* durable write
*
*
* @return an handle to the result
*/
CompletableFuture force();
}