| /* |
| * 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.karaf.webconsole.servicemix.internal; |
| |
| import org.apache.servicemix.nmr.api.Exchange; |
| import org.apache.wicket.model.LoadableDetachableModel; |
| |
| /** |
| * Detachable model of Exchange, prevents it from serialization. In fact exchange |
| * is serializable but some of fields contains implementations which are not visible |
| * by our class loader, so it is easier to don't import internal NMR stuff. |
| */ |
| public class ExchangeModel extends LoadableDetachableModel<Exchange> { |
| |
| /** |
| * Listener - it keeps references. |
| */ |
| private ITrackingExchangeListener listener; |
| |
| /** |
| * Unique exchange id. |
| */ |
| private String id; |
| |
| public ExchangeModel(ITrackingExchangeListener listener, Exchange object) { |
| super(object); |
| |
| this.listener = listener; |
| this.id = object.getId(); |
| } |
| |
| @Override |
| protected Exchange load() { |
| for (Exchange ex : listener.getExchanges()) { |
| if (id.equals(ex.getId())) { |
| return ex; |
| } |
| } |
| |
| throw new IllegalArgumentException("Exchange is no longer available"); |
| } |
| |
| } |