| /* |
| * 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.accumulo.core.manager.balancer; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.SortedMap; |
| import java.util.stream.Collectors; |
| |
| import org.apache.accumulo.core.data.TabletId; |
| import org.apache.accumulo.core.dataImpl.KeyExtent; |
| import org.apache.accumulo.core.dataImpl.TabletIdImpl; |
| import org.apache.accumulo.core.master.thrift.TabletServerStatus; |
| import org.apache.accumulo.core.metadata.TServerInstance; |
| import org.apache.accumulo.core.spi.balancer.TabletBalancer; |
| import org.apache.accumulo.core.spi.balancer.data.TServerStatus; |
| import org.apache.accumulo.core.spi.balancer.data.TabletMigration; |
| import org.apache.accumulo.core.spi.balancer.data.TabletServerId; |
| |
| public class BalanceParamsImpl implements TabletBalancer.BalanceParameters { |
| private final SortedMap<TabletServerId,TServerStatus> currentStatus; |
| private final Set<TabletId> currentMigrations; |
| private final List<TabletMigration> migrationsOut; |
| private final SortedMap<TServerInstance,TabletServerStatus> thriftCurrentStatus; |
| private final Set<KeyExtent> thriftCurrentMigrations; |
| |
| public static BalanceParamsImpl fromThrift(SortedMap<TabletServerId,TServerStatus> currentStatus, |
| SortedMap<TServerInstance,TabletServerStatus> thriftCurrentStatus, |
| Set<KeyExtent> thriftCurrentMigrations) { |
| Set<TabletId> currentMigrations = thriftCurrentMigrations.stream().map(TabletIdImpl::new) |
| .collect(Collectors.toUnmodifiableSet()); |
| |
| return new BalanceParamsImpl(currentStatus, currentMigrations, new ArrayList<>(), |
| thriftCurrentStatus, thriftCurrentMigrations); |
| } |
| |
| public BalanceParamsImpl(SortedMap<TabletServerId,TServerStatus> currentStatus, |
| Set<TabletId> currentMigrations, List<TabletMigration> migrationsOut) { |
| this.currentStatus = currentStatus; |
| this.currentMigrations = currentMigrations; |
| this.migrationsOut = migrationsOut; |
| this.thriftCurrentStatus = null; |
| this.thriftCurrentMigrations = null; |
| } |
| |
| private BalanceParamsImpl(SortedMap<TabletServerId,TServerStatus> currentStatus, |
| Set<TabletId> currentMigrations, List<TabletMigration> migrationsOut, |
| SortedMap<TServerInstance,TabletServerStatus> thriftCurrentStatus, |
| Set<KeyExtent> thriftCurrentMigrations) { |
| this.currentStatus = currentStatus; |
| this.currentMigrations = currentMigrations; |
| this.migrationsOut = migrationsOut; |
| this.thriftCurrentStatus = thriftCurrentStatus; |
| this.thriftCurrentMigrations = thriftCurrentMigrations; |
| } |
| |
| @Override |
| public SortedMap<TabletServerId,TServerStatus> currentStatus() { |
| return currentStatus; |
| } |
| |
| @Override |
| public Set<TabletId> currentMigrations() { |
| return currentMigrations; |
| } |
| |
| @Override |
| public List<TabletMigration> migrationsOut() { |
| return migrationsOut; |
| } |
| |
| public SortedMap<TServerInstance,TabletServerStatus> thriftCurrentStatus() { |
| return thriftCurrentStatus; |
| } |
| |
| public Set<KeyExtent> thriftCurrentMigrations() { |
| return thriftCurrentMigrations; |
| } |
| |
| public void addMigration(KeyExtent extent, TServerInstance oldServer, TServerInstance newServer) { |
| TabletId id = new TabletIdImpl(extent); |
| TabletServerId oldTsid = new TabletServerIdImpl(oldServer); |
| TabletServerId newTsid = new TabletServerIdImpl(newServer); |
| migrationsOut.add(new TabletMigration(id, oldTsid, newTsid)); |
| } |
| } |