| /* |
| * 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.repair.consistent.admin; |
| |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| import javax.management.openmbean.ArrayType; |
| import javax.management.openmbean.CompositeData; |
| import javax.management.openmbean.CompositeDataSupport; |
| import javax.management.openmbean.CompositeType; |
| import javax.management.openmbean.OpenDataException; |
| import javax.management.openmbean.OpenType; |
| import javax.management.openmbean.SimpleType; |
| |
| import com.google.common.base.Preconditions; |
| import com.google.common.base.Throwables; |
| |
| import org.apache.cassandra.io.sstable.format.SSTableReader; |
| import org.apache.cassandra.io.util.FileUtils; |
| import org.apache.cassandra.utils.TimeUUID; |
| |
| public class PendingStat |
| { |
| private static final String[] COMPOSITE_NAMES = new String[] {"dataSize", "numSSTables", "sessions"}; |
| private static final OpenType<?>[] COMPOSITE_TYPES; |
| public static final CompositeType COMPOSITE_TYPE; |
| |
| static |
| { |
| try |
| { |
| COMPOSITE_TYPES = new OpenType[] { SimpleType.LONG, SimpleType.INTEGER, ArrayType.getArrayType(SimpleType.STRING) }; |
| COMPOSITE_TYPE = new CompositeType(PendingStat.class.getName(), |
| PendingStat.class.getSimpleName(), |
| COMPOSITE_NAMES, COMPOSITE_NAMES, COMPOSITE_TYPES); |
| } |
| catch (OpenDataException e) |
| { |
| throw Throwables.propagate(e); |
| } |
| } |
| |
| |
| |
| public final long dataSize; |
| public final int numSSTables; |
| public final Set<TimeUUID> sessions; |
| |
| public PendingStat(long dataSize, int numSSTables, Set<TimeUUID> sessions) |
| { |
| this.dataSize = dataSize; |
| this.numSSTables = numSSTables; |
| this.sessions = Collections.unmodifiableSet(sessions); |
| } |
| |
| public String sizeString() |
| { |
| return String.format("%s (%s sstables / %s sessions)", FileUtils.stringifyFileSize(dataSize), numSSTables, sessions.size()); |
| } |
| |
| public CompositeData toComposite() |
| { |
| Map<String, Object> values = new HashMap<>(); |
| values.put(COMPOSITE_NAMES[0], dataSize); |
| values.put(COMPOSITE_NAMES[1], numSSTables); |
| String[] sessionIds = new String[sessions.size()]; |
| int idx = 0; |
| for (TimeUUID session : sessions) |
| sessionIds[idx++] = session.toString(); |
| values.put(COMPOSITE_NAMES[2], sessionIds); |
| |
| try |
| { |
| return new CompositeDataSupport(COMPOSITE_TYPE, values); |
| } |
| catch (OpenDataException e) |
| { |
| throw Throwables.propagate(e); |
| } |
| } |
| |
| public static PendingStat fromComposite(CompositeData cd) |
| { |
| Preconditions.checkArgument(cd.getCompositeType().equals(COMPOSITE_TYPE)); |
| Object[] values = cd.getAll(COMPOSITE_NAMES); |
| Set<TimeUUID> sessions = new HashSet<>(); |
| for (String session : (String[]) values[2]) |
| sessions.add(TimeUUID.fromString(session)); |
| return new PendingStat((long) values[0], (int) values[1], sessions); |
| } |
| |
| public static class Builder |
| { |
| public long dataSize = 0; |
| public int numSSTables = 0; |
| public Set<TimeUUID> sessions = new HashSet<>(); |
| |
| public Builder addSSTable(SSTableReader sstable) |
| { |
| TimeUUID sessionID = sstable.getPendingRepair(); |
| if (sessionID == null) |
| return this; |
| dataSize += sstable.onDiskLength(); |
| sessions.add(sessionID); |
| numSSTables++; |
| return this; |
| } |
| |
| public Builder addStat(PendingStat stat) |
| { |
| dataSize += stat.dataSize; |
| numSSTables += stat.numSSTables; |
| sessions.addAll(stat.sessions); |
| return this; |
| } |
| |
| public PendingStat build() |
| { |
| return new PendingStat(dataSize, numSSTables, sessions); |
| } |
| } |
| } |