001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.camel.reifier;
018
019import org.apache.camel.CamelContext;
020import org.apache.camel.Processor;
021import org.apache.camel.Route;
022import org.apache.camel.Service;
023import org.apache.camel.model.ProcessorDefinition;
024import org.apache.camel.model.TransactedDefinition;
025import org.apache.camel.processor.WrapProcessor;
026import org.apache.camel.spi.Policy;
027
028public class TransactedReifier extends AbstractPolicyReifier<TransactedDefinition> {
029
030    public TransactedReifier(Route route, ProcessorDefinition<?> definition) {
031        super(route, (TransactedDefinition) definition);
032    }
033
034    public TransactedReifier(CamelContext camelContext, ProcessorDefinition<?> definition) {
035        super(camelContext, (TransactedDefinition) definition);
036    }
037
038    @Override
039    public Processor createProcessor() throws Exception {
040        Policy policy = resolvePolicy();
041        org.apache.camel.util.ObjectHelper.notNull(policy, "policy", this);
042
043        // before wrap
044        policy.beforeWrap(route, definition);
045
046        // create processor after the before wrap
047        Processor childProcessor = this.createChildProcessor(true);
048
049        // wrap
050        Processor target = policy.wrap(route, childProcessor);
051
052        if (!(target instanceof Service)) {
053            // wrap the target so it becomes a service and we can manage its
054            // lifecycle
055            target = new WrapProcessor(target, childProcessor);
056        }
057        return target;
058    }
059
060    public Policy resolvePolicy() {
061        return resolvePolicy(definition.getPolicy(), definition.getRef(), definition.getType());
062    }
063
064}