| /* |
| * 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.compaction; |
| |
| import javax.management.openmbean.*; |
| import java.util.Map; |
| import java.util.UUID; |
| |
| import com.google.common.base.Throwables; |
| import org.apache.cassandra.cql3.UntypedResultSet; |
| import org.apache.cassandra.db.marshal.Int32Type; |
| import org.apache.cassandra.db.marshal.LongType; |
| import org.apache.cassandra.utils.FBUtilities; |
| |
| public class CompactionHistoryTabularData |
| { |
| private static final String[] ITEM_NAMES = new String[]{ "id", "keyspace_name", "columnfamily_name", "compacted_at", |
| "bytes_in", "bytes_out", "rows_merged" }; |
| |
| private static final String[] ITEM_DESCS = new String[]{ "time uuid", "keyspace name", |
| "column family name", "compaction finished at", |
| "total bytes in", "total bytes out", "total rows merged" }; |
| |
| private static final String TYPE_NAME = "CompactionHistory"; |
| |
| private static final String ROW_DESC = "CompactionHistory"; |
| |
| private static final OpenType<?>[] ITEM_TYPES; |
| |
| private static final CompositeType COMPOSITE_TYPE; |
| |
| private static final TabularType TABULAR_TYPE; |
| |
| static { |
| try |
| { |
| ITEM_TYPES = new OpenType[]{ SimpleType.STRING, SimpleType.STRING, SimpleType.STRING, SimpleType.LONG, |
| SimpleType.LONG, SimpleType.LONG, 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 TabularData from(UntypedResultSet resultSet) throws OpenDataException |
| { |
| TabularDataSupport result = new TabularDataSupport(TABULAR_TYPE); |
| for (UntypedResultSet.Row row : resultSet) |
| { |
| UUID id = row.getUUID(ITEM_NAMES[0]); |
| String ksName = row.getString(ITEM_NAMES[1]); |
| String cfName = row.getString(ITEM_NAMES[2]); |
| long compactedAt = row.getLong(ITEM_NAMES[3]); |
| long bytesIn = row.getLong(ITEM_NAMES[4]); |
| long bytesOut = row.getLong(ITEM_NAMES[5]); |
| Map<Integer, Long> rowMerged = row.getMap(ITEM_NAMES[6], Int32Type.instance, LongType.instance); |
| |
| result.put(new CompositeDataSupport(COMPOSITE_TYPE, ITEM_NAMES, |
| new Object[]{ id.toString(), ksName, cfName, compactedAt, bytesIn, bytesOut, |
| "{" + FBUtilities.toString(rowMerged) + "}" })); |
| } |
| return result; |
| } |
| } |