| /* |
| * 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.simulator.cluster; |
| |
| import java.util.Arrays; |
| |
| import org.apache.cassandra.simulator.ActionList; |
| import org.apache.cassandra.simulator.Actions; |
| |
| import static org.apache.cassandra.simulator.Action.Modifiers.NONE; |
| import static org.apache.cassandra.simulator.Action.Modifiers.STRICT; |
| import static org.apache.cassandra.simulator.cluster.ClusterReliableQueryAction.schemaChange; |
| import static org.apache.cassandra.utils.LazyToString.lazy; |
| |
| class OnClusterChangeRf extends OnClusterChangeTopology |
| { |
| final KeyspaceActions actions; |
| final long timestamp; |
| final int on; |
| final boolean increase; |
| |
| OnClusterChangeRf(KeyspaceActions actions, long timestamp, int on, Topology before, Topology after, boolean increase) |
| { |
| super(increase ? lazy(() -> "Increase replication factor to " + Arrays.toString(after.rf)) |
| : lazy(() -> "Decrease replication factor to " + Arrays.toString(after.rf)), |
| actions, STRICT, NONE, before, after, before.primaryKeys); |
| this.actions = actions; |
| this.timestamp = timestamp; |
| this.on = on; |
| this.increase = increase; |
| } |
| |
| protected ActionList performSimple() |
| { |
| before(actions.cluster.get(on)); |
| |
| StringBuilder command = new StringBuilder("ALTER KEYSPACE " + actions.keyspace + " WITH replication = {'class': 'NetworkTopologyStrategy'"); |
| for (int i = 0; i < after.rf.length; ++i) |
| command.append(", '").append(actions.snitch.nameOfDc(i)).append("': ").append(after.rf[i]); |
| command.append("};"); |
| |
| return ActionList.of( |
| schemaChange("ALTER KEYSPACE " + description(), actions, on, command.toString()), |
| new OnClusterSyncPendingRanges(actions), |
| new OnClusterFullRepair(actions, after, true, false, false), |
| // TODO: cleanup should clear paxos state tables |
| Actions.of("Flush and Cleanup", !increase ? () -> actions.flushAndCleanup(after.membersOfRing) : ActionList::empty) |
| ); |
| } |
| } |