2 * Copyright 2005-2011 the original author or authors.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.wamblee.xmlrouter.impl;
18 import org.wamblee.general.Pair;
21 * The XML Router configuration contains both configuration data as well as
22 * derived data used by the XML router. It is important that all this data is
23 * consistent. Therefore, this class provides a read-write locking mechanism for
26 * @author Erik Brakkee
29 public interface XMLRouterConfiguration {
32 * Atomically get the configuration. The XMLRouter uses this to get a
33 * snapshot of the configuration data for handling a single message. In this
34 * way a consistent configuration is used for each event.
36 * @return Configuration.
38 Pair<ExtendedRouterConfig, TransformationPaths> getConfig();
41 * Atomically sets the configuration and updates derived data. There will be
42 * a short time during which read attempts will fail.
45 * Configuration to set.
47 void setRouterConfig(ExtendedRouterConfig aConfig);