| /* |
| * 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 accord.impl.basic; |
| |
| import java.util.List; |
| import java.util.concurrent.TimeUnit; |
| |
| public class PropagatingPendingQueue implements PendingQueue |
| { |
| final List<Throwable> failures; |
| final PendingQueue wrapped; |
| |
| public PropagatingPendingQueue(List<Throwable> failures, PendingQueue wrapped) |
| { |
| this.failures = failures; |
| this.wrapped = wrapped; |
| } |
| |
| @Override |
| public void add(Pending item) |
| { |
| wrapped.add(item); |
| } |
| |
| @Override |
| public void addNoDelay(Pending item) |
| { |
| wrapped.addNoDelay(item); |
| } |
| |
| @Override |
| public void add(Pending item, long delay, TimeUnit units) |
| { |
| wrapped.add(item, delay, units); |
| } |
| |
| @Override |
| public boolean remove(Pending item) |
| { |
| return wrapped.remove(item); |
| } |
| |
| @Override |
| public Pending poll() |
| { |
| checkFailures(); |
| return wrapped.poll(); |
| } |
| |
| public void checkFailures() |
| { |
| if (!failures.isEmpty()) |
| { |
| AssertionError assertion = null; |
| for (Throwable t : failures) |
| { |
| if (t instanceof AssertionError) |
| { |
| assertion = (AssertionError) t; |
| break; |
| } |
| } |
| if (assertion == null) |
| assertion = new AssertionError("Unexpected exception encountered"); |
| |
| for (Throwable t : failures) |
| { |
| if (t != assertion) |
| assertion.addSuppressed(t); |
| } |
| throw assertion; |
| } |
| } |
| |
| @Override |
| public int size() |
| { |
| return wrapped.size(); |
| } |
| |
| @Override |
| public long nowInMillis() |
| { |
| return wrapped.nowInMillis(); |
| } |
| } |