| /* |
| * 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.Collections; |
| import java.util.List; |
| import java.util.function.Consumer; |
| |
| import org.apache.cassandra.utils.concurrent.Ref; |
| import org.apache.cassandra.utils.memory.BufferPool; |
| |
| /** |
| * A simple encapsulation for capturing and reporting failures during the simulation |
| */ |
| public class Failures implements Consumer<Throwable>, BufferPool.DebugLeaks, Ref.OnLeak |
| { |
| private final List<Throwable> failures = Collections.synchronizedList(new ArrayList<>()); |
| private volatile boolean hasFailure; |
| |
| public void onFailure(Throwable t) |
| { |
| failures.add(t); |
| hasFailure = true; |
| } |
| |
| public boolean hasFailure() |
| { |
| return hasFailure; |
| } |
| |
| public List<Throwable> get() |
| { |
| return Collections.unmodifiableList(failures); |
| } |
| |
| @Override |
| public void accept(Throwable throwable) |
| { |
| onFailure(throwable); |
| } |
| |
| @Override |
| public void leak() |
| { |
| failures.add(new AssertionError("ChunkCache leak detected")); |
| } |
| |
| @Override |
| public void onLeak(Object state) |
| { |
| failures.add(new AssertionError("Ref leak detected " + state.toString())); |
| } |
| } |