/* | |
* 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.cdi; | |
import org.apache.camel.Exchange; | |
import org.apache.camel.Processor; | |
import org.apache.camel.RuntimeExchangeException; | |
import org.apache.camel.spi.CamelEvent.ExchangeEvent; | |
import org.apache.camel.support.DefaultConsumer; | |
import org.slf4j.Logger; | |
import org.slf4j.LoggerFactory; | |
final class CdiEventConsumer<T> extends DefaultConsumer { | |
private final Logger logger = LoggerFactory.getLogger(CdiEventConsumer.class); | |
private final CdiEventEndpoint<T> endpoint; | |
CdiEventConsumer(CdiEventEndpoint<T> endpoint, Processor processor) { | |
super(endpoint, processor); | |
this.endpoint = endpoint; | |
} | |
@Override | |
protected void doStart() throws Exception { | |
super.doStart(); | |
endpoint.addConsumer(this); | |
} | |
@Override | |
protected void doStop() throws Exception { | |
endpoint.removeConsumer(this); | |
super.doStop(); | |
} | |
void notify(T event) { | |
logger.debug("Consuming CDI event [{}] with {}", event, this); | |
Exchange exchange = getEndpoint().createExchange(); | |
// TODO: would that be possible to propagate the event metadata? | |
exchange.getIn().setBody(event); | |
// Avoid infinite loop of exchange events | |
if (event instanceof ExchangeEvent) { | |
exchange.setProperty(Exchange.NOTIFY_EVENT, Boolean.TRUE); | |
} | |
try { | |
getProcessor().process(exchange); | |
} catch (Exception cause) { | |
throw new RuntimeExchangeException("Error while processing CDI event", exchange, cause); | |
} finally { | |
if (event instanceof ExchangeEvent) { | |
exchange.setProperty(Exchange.NOTIFY_EVENT, Boolean.FALSE); | |
} | |
} | |
} | |
} |