| /* |
| * 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.db; |
| |
| import javax.management.openmbean.*; |
| |
| import com.google.common.base.Throwables; |
| import org.apache.cassandra.io.util.FileUtils; |
| import org.apache.cassandra.service.snapshot.TableSnapshot; |
| |
| public class SnapshotDetailsTabularData |
| { |
| |
| private static final String[] ITEM_NAMES = new String[]{"Snapshot name", |
| "Keyspace name", |
| "Column family name", |
| "True size", |
| "Size on disk", |
| "Creation time", |
| "Expiration time",}; |
| |
| private static final String[] ITEM_DESCS = new String[]{"snapshot_name", |
| "keyspace_name", |
| "columnfamily_name", |
| "TrueDiskSpaceUsed", |
| "TotalDiskSpaceUsed", |
| "created_at", |
| "expires_at",}; |
| |
| private static final String TYPE_NAME = "SnapshotDetails"; |
| |
| private static final String ROW_DESC = "SnapshotDetails"; |
| |
| private static final OpenType<?>[] ITEM_TYPES; |
| |
| private static final CompositeType COMPOSITE_TYPE; |
| |
| public static final TabularType TABULAR_TYPE; |
| |
| static |
| { |
| try |
| { |
| ITEM_TYPES = new OpenType[]{ SimpleType.STRING, SimpleType.STRING, SimpleType.STRING, SimpleType.STRING, SimpleType.STRING, SimpleType.STRING, SimpleType.STRING }; |
| |
| COMPOSITE_TYPE = new CompositeType(TYPE_NAME, ROW_DESC, ITEM_NAMES, ITEM_DESCS, ITEM_TYPES); |
| |
| TABULAR_TYPE = new TabularType(TYPE_NAME, ROW_DESC, COMPOSITE_TYPE, ITEM_NAMES); |
| } |
| catch (OpenDataException e) |
| { |
| throw Throwables.propagate(e); |
| } |
| } |
| |
| |
| public static void from(TableSnapshot details, TabularDataSupport result) |
| { |
| try |
| { |
| final String totalSize = FileUtils.stringifyFileSize(details.computeSizeOnDiskBytes()); |
| final String liveSize = FileUtils.stringifyFileSize(details.computeTrueSizeBytes()); |
| String createdAt = safeToString(details.getCreatedAt()); |
| String expiresAt = safeToString(details.getExpiresAt()); |
| result.put(new CompositeDataSupport(COMPOSITE_TYPE, ITEM_NAMES, |
| new Object[]{ details.getTag(), details.getKeyspaceName(), details.getTableName(), liveSize, totalSize, createdAt, expiresAt })); |
| } |
| catch (OpenDataException e) |
| { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| private static String safeToString(Object object) |
| { |
| return object == null ? null : object.toString(); |
| } |
| } |