| /* |
| * 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.concurrent.atomic.AtomicReference; |
| import java.util.function.Supplier; |
| |
| import org.apache.cassandra.distributed.api.IInvokableInstance; |
| import org.apache.cassandra.service.StorageService; |
| import org.apache.cassandra.simulator.ActionList; |
| import org.apache.cassandra.simulator.systems.SimulatedActionConsumer; |
| import org.apache.cassandra.utils.concurrent.Future; |
| |
| import static org.apache.cassandra.simulator.Action.Modifiers.RELIABLE_NO_TIMEOUTS; |
| import static org.apache.cassandra.utils.LazyToString.lazy; |
| |
| class OnClusterLeave extends OnClusterChangeTopology |
| { |
| final int leaving; |
| |
| OnClusterLeave(KeyspaceActions actions, Topology before, Topology during, Topology after, int leaving) |
| { |
| super(lazy(() -> String.format("node%d Leaving", leaving)), actions, before, after, during.pendingKeys()); |
| this.leaving = leaving; |
| } |
| |
| public ActionList performSimple() |
| { |
| IInvokableInstance leaveInstance = actions.cluster.get(leaving); |
| before(leaveInstance); |
| AtomicReference<Supplier<? extends Future<?>>> preparedUnbootstrap = new AtomicReference<>(); |
| return ActionList.of( |
| // setup the node's own gossip state for pending ownership, and return gossip actions to disseminate |
| new OnClusterUpdateGossip(actions, leaving, new OnInstanceSetLeaving(actions, leaving)), |
| new SimulatedActionConsumer<>("Prepare unbootstrap on " + leaving, RELIABLE_NO_TIMEOUTS, RELIABLE_NO_TIMEOUTS, actions, leaveInstance, |
| ref -> ref.set(StorageService.instance.prepareUnbootstrapStreaming()), preparedUnbootstrap), |
| new OnInstanceTopologyChangePaxosRepair(actions, leaving, "Leave"), |
| new SimulatedActionConsumer<>("Execute unbootstrap on " + leaving, RELIABLE_NO_TIMEOUTS, RELIABLE_NO_TIMEOUTS, actions, leaveInstance, |
| ref -> ref.get().get().syncThrowUncheckedOnInterrupt(), preparedUnbootstrap), |
| // setup the node's own gossip state for natural ownership, and return gossip actions to disseminate |
| new OnClusterUpdateGossip(actions, leaving, new OnInstanceSetLeft(actions, leaving)) |
| ); |
| } |
| } |