org.apache.flink.runtime.state.gemini.engine.snapshot.NoSnapshotCompaction Maven / Gradle / Ivy
/*
*
* * 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.page.PageAddress;
/**
* An implementation used when snapshot compaction is disabled.
*/
public class NoSnapshotCompaction implements SnapshotCompaction {
public static final NoSnapshotCompaction INSTANCE = new NoSnapshotCompaction();
@Override
public void recordSharedPage(PageAddress page) {
// do nothing
}
@Override
public boolean isAsync() {
return false;
}
@Override
public void run() {
// do nothing
}
}