org.apache.flink.runtime.state.gemini.engine.snapshot.SnapshotFileSyncStage 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 "AS IS" BASIS,
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package org.apache.flink.runtime.state.gemini.engine.snapshot;
import org.apache.flink.runtime.state.gemini.engine.filecache.FileCache;
/**
* A snapshot stage to sync data to file.
*/
public class SnapshotFileSyncStage implements SnapshotStage {
private final SnapshotCompletableFuture completableFuture;
private final FileCache fileCache;
public SnapshotFileSyncStage(
SnapshotCompletableFuture completableFuture,
FileCache fileCache) {
this.completableFuture = completableFuture;
this.fileCache = fileCache;
}
@Override
public void run() {
completableFuture.incRunningTask();
try {
fileCache.sync();
} catch (Exception e) {
completableFuture.completeExceptionally(e);
} finally {
completableFuture.decRunningTask();
}
}
@Override
public boolean isAsync() {
return false;
}
@Override
public String toString() {
return "SnapshotFileSyncStage";
}
}