/** * 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.ratis.statemachine.impl; import java.util.Collections; import java.util.List; import org.apache.ratis.server.protocol.TermIndex; import org.apache.ratis.server.storage.FileInfo; import org.apache.ratis.statemachine.SnapshotInfo; /** * Each snapshot has a list of files. * * The objects of this class are immutable. */ public class FileListSnapshotInfo implements SnapshotInfo { private final TermIndex termIndex; private final List<FileInfo> files; public FileListSnapshotInfo(List<FileInfo> files, long term, long index) { this.termIndex = TermIndex.newTermIndex(term, index); this.files = Collections.unmodifiableList(files); } @Override public TermIndex getTermIndex() { return termIndex; } @Override public long getTerm() { return termIndex.getTerm(); } @Override public long getIndex() { return termIndex.getIndex(); } @Override public List<FileInfo> getFiles() { return files; } @Override public String toString() { return termIndex + ":" + files; } }