org.apache.flink.runtime.state.gemini.engine.snapshot.DBSnapshotResult 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,
* 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.flink.runtime.state.gemini.engine.snapshot;
import org.apache.flink.runtime.state.SnapshotDirectory;
import org.apache.flink.util.Preconditions;
import javax.annotation.Nullable;
/**
* This class contains the combined results from the snapshot of a DB.
*/
public class DBSnapshotResult {
/**
* Directory where data is stored for DFS snapshot.
*/
private final SnapshotDirectory dfsSnapshotDirectory;
/**
* Meta for DFS snapshot result.
*/
private final DBSnapshotMeta dfsSnapshotMeta;
/**
* Directory where data is stored for local snapshot.
*/
@Nullable
private final SnapshotDirectory localSnapshotDirectory;
/**
* Meta for local snapshot result.
*/
@Nullable
private final DBSnapshotMeta localSnapshotMeta;
public DBSnapshotResult(
SnapshotDirectory dfsSnapshotDirectory,
DBSnapshotMeta dfsSnapshotMeta) {
this(null, null, dfsSnapshotDirectory, dfsSnapshotMeta);
}
public DBSnapshotResult(
SnapshotDirectory localSnapshotDirectory,
DBSnapshotMeta localSnapshotMeta,
SnapshotDirectory dfsSnapshotDirectory,
DBSnapshotMeta dfsSnapshotMeta) {
this.localSnapshotDirectory = localSnapshotDirectory;
this.localSnapshotMeta = localSnapshotMeta;
this.dfsSnapshotDirectory = Preconditions.checkNotNull(dfsSnapshotDirectory);
this.dfsSnapshotMeta = Preconditions.checkNotNull(dfsSnapshotMeta);
}
public SnapshotDirectory getDfsSnapshotDirectory() {
return dfsSnapshotDirectory;
}
@Nullable
public SnapshotDirectory getLocalSnapshotDirectory() {
return localSnapshotDirectory;
}
public DBSnapshotMeta getDfsSnapshotMeta() {
return dfsSnapshotMeta;
}
@Nullable
public DBSnapshotMeta getLocalSnapshotMeta() {
return localSnapshotMeta;
}
}