| /** |
| * 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.camel.util; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.apache.camel.Exchange; |
| import org.apache.camel.spi.Synchronization; |
| import org.slf4j.Logger; |
| |
| /** |
| * @version |
| */ |
| public final class UnitOfWorkHelper { |
| |
| private UnitOfWorkHelper() { |
| } |
| |
| @SuppressWarnings("unchecked") |
| public static void doneSynchronizations(Exchange exchange, List<Synchronization> synchronizations, Logger log) { |
| boolean failed = exchange.isFailed(); |
| |
| if (synchronizations != null && !synchronizations.isEmpty()) { |
| // work on a copy of the list to avoid any modification which may cause ConcurrentModificationException |
| List<Synchronization> copy = new ArrayList<Synchronization>(synchronizations); |
| |
| // reverse so we invoke it FILO style instead of FIFO |
| Collections.reverse(copy); |
| // and honor if any was ordered by sorting it accordingly |
| Collections.sort(copy, new OrderedComparator()); |
| |
| // invoke synchronization callbacks |
| for (Synchronization synchronization : copy) { |
| try { |
| if (failed) { |
| log.trace("Invoking synchronization.onFailure: {} with {}", synchronization, exchange); |
| synchronization.onFailure(exchange); |
| } else { |
| log.trace("Invoking synchronization.onComplete: {} with {}", synchronization, exchange); |
| synchronization.onComplete(exchange); |
| } |
| } catch (Throwable e) { |
| // must catch exceptions to ensure all synchronizations have a chance to run |
| log.warn("Exception occurred during onCompletion. This exception will be ignored.", e); |
| } |
| } |
| } |
| } |
| |
| } |