| /* |
| * 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.systems; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.cassandra.distributed.api.IInvokableInstance; |
| import org.apache.cassandra.distributed.api.IIsolatedExecutor.SerializableRunnable; |
| import org.apache.cassandra.simulator.Action; |
| import org.apache.cassandra.simulator.Action.Modifiers; |
| import org.apache.cassandra.simulator.Debug; |
| import org.apache.cassandra.simulator.FutureActionScheduler; |
| import org.apache.cassandra.simulator.RandomSource; |
| import org.apache.cassandra.simulator.cluster.Topology; |
| import org.apache.cassandra.simulator.cluster.TopologyListener; |
| |
| import static org.apache.cassandra.simulator.Action.Modifiers.NONE; |
| import static org.apache.cassandra.simulator.Action.Modifiers.RELIABLE; |
| |
| public class SimulatedSystems |
| { |
| public final RandomSource random; |
| public final SimulatedTime time; |
| public final SimulatedMessageDelivery delivery; |
| public final SimulatedExecution execution; |
| public final SimulatedBallots ballots; |
| public final SimulatedFailureDetector failureDetector; |
| public final SimulatedSnitch snitch; |
| public final FutureActionScheduler futureScheduler; |
| public final Debug debug; |
| public final Failures failures; |
| private final List<TopologyListener> topologyListeners; // TODO (cleanup): this is a mutable set of listeners but shared between instances |
| |
| public SimulatedSystems(SimulatedSystems copy) |
| { |
| this(copy.random, copy.time, copy.delivery, copy.execution, copy.ballots, copy.failureDetector, copy.snitch, copy.futureScheduler, copy.debug, copy.failures, copy.topologyListeners); |
| } |
| |
| public SimulatedSystems(RandomSource random, SimulatedTime time, SimulatedMessageDelivery delivery, SimulatedExecution execution, SimulatedBallots ballots, SimulatedFailureDetector failureDetector, SimulatedSnitch snitch, FutureActionScheduler futureScheduler, Debug debug, Failures failures) |
| { |
| this(random, time, delivery, execution, ballots, failureDetector, snitch, futureScheduler, debug, failures, new ArrayList<>()); |
| } |
| |
| private SimulatedSystems(RandomSource random, SimulatedTime time, SimulatedMessageDelivery delivery, SimulatedExecution execution, SimulatedBallots ballots, SimulatedFailureDetector failureDetector, SimulatedSnitch snitch, FutureActionScheduler futureScheduler, Debug debug, Failures failures, List<TopologyListener> topologyListeners) |
| { |
| this.random = random; |
| this.time = time; |
| this.delivery = delivery; |
| this.execution = execution; |
| this.ballots = ballots; |
| this.failureDetector = failureDetector; |
| this.snitch = snitch; |
| this.futureScheduler = futureScheduler; |
| this.debug = debug; |
| this.failures = failures; |
| this.topologyListeners = topologyListeners; |
| } |
| |
| public Action run(Object description, IInvokableInstance on, SerializableRunnable run) |
| { |
| return new SimulatedActionTask(description, NONE, NONE, this, on, run); |
| } |
| |
| public Action transitivelyReliable(Object description, IInvokableInstance on, SerializableRunnable run) |
| { |
| return new SimulatedActionTask(description, NONE, RELIABLE, this, on, run); |
| } |
| |
| /** |
| * Useful for non-serializable operations we still need to intercept the execution of |
| */ |
| public Action invoke(Object description, Modifiers self, Modifiers children, InterceptedExecution invoke) |
| { |
| return new SimulatedActionTask(description, self, children, null, this, invoke); |
| } |
| |
| public void announce(Topology topology) |
| { |
| for (int i = 0; i < topologyListeners.size() ; ++i) |
| topologyListeners.get(i).onChange(topology); |
| } |
| |
| public void register(TopologyListener listener) |
| { |
| topologyListeners.add(listener); |
| } |
| } |