/**
* 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.processor;
import org.apache.camel.AsyncCallback;
import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.spi.RouteContext;
import org.apache.camel.spi.UnitOfWork;
/**
* This processor tracks the current {@link RouteContext} while processing the {@link Exchange}.
* This ensures that the {@link Exchange} have details under which route its being currently processed.
*/
public class RouteContextProcessor extends DelegateAsyncProcessor {
private final RouteContext routeContext;
public RouteContextProcessor(RouteContext routeContext, Processor processor) {
super(processor);
this.routeContext = routeContext;
}
@Override
protected boolean processNext(final Exchange exchange, final AsyncCallback callback) {
// push the current route context
final UnitOfWork unitOfWork = exchange.getUnitOfWork();
if (unitOfWork != null) {
unitOfWork.pushRouteContext(routeContext);
}
boolean sync = processor.process(exchange, new AsyncCallback() {
public void done(boolean doneSync) {
try {
// pop the route context we just used
if (unitOfWork != null) {
unitOfWork.popRouteContext();
}
} catch (Exception e) {
exchange.setException(e);
} finally {
callback.done(doneSync);
}
}
});
return sync;
}
@Override
public String toString() {
return "RouteContextProcessor[" + processor + "]";
}
}