AnnotatedConsumeImpl.java

/**
 * 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.spring.interceptor;

import org.apache.camel.Consume;
import org.apache.camel.Produce;
import org.apache.camel.ProducerTemplate;
import org.springframework.transaction.annotation.Transactional;

/**
 * @version 
 */
@Transactional(propagation = org.springframework.transaction.annotation.Propagation.NEVER, readOnly = true)
public class AnnotatedConsumeImpl implements AnnotatedConsume {

    @Produce(uri = "mock:book")
    ProducerTemplate producer;

    @Consume(uri = "seda:book")
    public void handleTitle(String title) {
        Transactional tx = this.getClass().getAnnotation(Transactional.class);
        if (tx == null) {
            throw new IllegalStateException("Spring annotation-driven should have instrumented this class as @Transactional");
        }
        if (!"NEVER".equals(tx.propagation().name())) {
            throw new IllegalStateException("Should be NEVER propagation");
        }
        if (!tx.readOnly()) {
            throw new IllegalStateException("Should be read only");
        }

        if (!title.contains("in Action")) {
            throw new IllegalArgumentException("Not a book title we like");
        }

        producer.sendBody(title);
    }
    
}