| /* |
| * 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.cassandra.service.snapshot; |
| |
| import java.io.*; |
| import java.time.Instant; |
| import java.util.List; |
| import java.util.Objects; |
| |
| import com.fasterxml.jackson.annotation.JsonAutoDetect; |
| import com.fasterxml.jackson.annotation.JsonIgnoreProperties; |
| import com.fasterxml.jackson.annotation.JsonProperty; |
| import org.apache.cassandra.config.DurationSpec; |
| import org.apache.cassandra.io.util.File; |
| import org.apache.cassandra.utils.FBUtilities; |
| |
| // Only serialize fields |
| @JsonAutoDetect(fieldVisibility = JsonAutoDetect.Visibility.ANY, |
| getterVisibility = JsonAutoDetect.Visibility.NONE, |
| setterVisibility = JsonAutoDetect.Visibility.NONE) |
| @JsonIgnoreProperties(ignoreUnknown = true) |
| public class SnapshotManifest |
| { |
| @JsonProperty("files") |
| public final List<String> files; |
| |
| @JsonProperty("created_at") |
| public final Instant createdAt; |
| |
| @JsonProperty("expires_at") |
| public final Instant expiresAt; |
| |
| /** needed for jackson serialization */ |
| @SuppressWarnings("unused") |
| private SnapshotManifest() { |
| this.files = null; |
| this.createdAt = null; |
| this.expiresAt = null; |
| } |
| |
| public SnapshotManifest(List<String> files, DurationSpec.IntSecondsBound ttl, Instant creationTime) |
| { |
| this.files = files; |
| this.createdAt = creationTime; |
| this.expiresAt = ttl == null ? null : createdAt.plusSeconds(ttl.toSeconds()); |
| } |
| |
| public List<String> getFiles() |
| { |
| return files; |
| } |
| |
| public Instant getCreatedAt() |
| { |
| return createdAt; |
| } |
| |
| public Instant getExpiresAt() |
| { |
| return expiresAt; |
| } |
| |
| public void serializeToJsonFile(File outputFile) throws IOException |
| { |
| FBUtilities.serializeToJsonFile(this, outputFile); |
| } |
| |
| public static SnapshotManifest deserializeFromJsonFile(File file) throws IOException |
| { |
| return FBUtilities.deserializeFromJsonFile(SnapshotManifest.class, file); |
| } |
| |
| @Override |
| public boolean equals(Object o) |
| { |
| if (this == o) return true; |
| if (o == null || getClass() != o.getClass()) return false; |
| SnapshotManifest manifest = (SnapshotManifest) o; |
| return Objects.equals(files, manifest.files) && Objects.equals(createdAt, manifest.createdAt) && Objects.equals(expiresAt, manifest.expiresAt); |
| } |
| |
| @Override |
| public int hashCode() |
| { |
| return Objects.hash(files, createdAt, expiresAt); |
| } |
| } |