| /* |
| * 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.function.Consumer; |
| |
| import org.apache.cassandra.distributed.api.IInvokableInstance; |
| import org.apache.cassandra.simulator.Action; |
| import org.apache.cassandra.simulator.cluster.ClusterActionListener.TopologyChangeValidator; |
| import org.apache.cassandra.simulator.systems.NonInterceptible; |
| |
| import static org.apache.cassandra.simulator.Action.Modifiers.RELIABLE; |
| import static org.apache.cassandra.simulator.Action.Modifiers.STRICT; |
| import static org.apache.cassandra.simulator.ActionListener.runAfterTransitiveClosure; |
| import static org.apache.cassandra.simulator.systems.NonInterceptible.Permit.REQUIRED; |
| |
| abstract class OnClusterChangeTopology extends Action implements Consumer<Action> |
| { |
| final KeyspaceActions actions; |
| |
| final int[] participatingKeys; |
| final Topology before; |
| final Topology after; |
| |
| final TopologyChangeValidator validator; |
| |
| public OnClusterChangeTopology(Object description, KeyspaceActions actions, Topology before, Topology after, int[] participatingKeys) |
| { |
| this(description, actions, STRICT, RELIABLE, before, after, participatingKeys); |
| } |
| |
| public OnClusterChangeTopology(Object description, KeyspaceActions actions, Modifiers self, Modifiers children, Topology before, Topology after, int[] participatingKeys) |
| { |
| super(description, self, children); |
| this.actions = actions; |
| this.participatingKeys = participatingKeys; |
| this.before = before; |
| this.after = after; |
| this.validator = actions.listener.newTopologyChangeValidator(this); |
| register(runAfterTransitiveClosure(this)); |
| } |
| |
| void before(IInvokableInstance instance) |
| { |
| NonInterceptible.execute(REQUIRED, () -> { |
| actions.validateReplicasForKeys(instance, actions.keyspace, actions.table, before); |
| validator.before(before, participatingKeys); |
| }); |
| } |
| |
| public void accept(Action ignore) |
| { |
| validator.after(after); |
| } |
| |
| } |