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;
19 * The XML Router configuration contains both configuration data as well as
20 * derived data used by the XML router. It is important that all this data is
21 * consistent. Therefore, this class provides a read-write locking mechanism for
24 * @author Erik Brakkee
27 public interface XMLRouterConfiguration {
30 * To be called before the configuration is used. Corresponds to read lock
33 void startPublishEvent();
36 * @return Configuration data. {@link #startPublishEvent()} must have been
37 * called before doing this.
39 ExtendedRouterConfig getRouterConfig();
42 * @return Transformation paths (derived data).
44 TransformationPaths getTransformations();
47 * To be called after the configuration is used. Corresponds to read lock
50 void endPublishEvent();
53 * Atomically sets the configuration and updates derived data. There will be
54 * a short time during which read attempts will fail.
57 * Configuration to set.
59 void setRouterConfig(ExtendedRouterConfig aConfig);