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Java > Open Source Codes > org > apache > servicemix > components > drools > dsl > JbiConsequence


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 package org.apache.servicemix.components.drools.dsl;
18
19 import org.apache.servicemix.components.drools.JbiHelper;
20 import org.drools.spi.Consequence;
21 import org.drools.spi.ConsequenceException;
22 import org.drools.spi.Tuple;
23
24 import javax.jbi.messaging.MessagingException;
25
26 /**
27  * @version $Revision: 426415 $
28  */
29 public abstract class JbiConsequence implements Consequence {
30
31     public void invoke(Tuple tuple) throws ConsequenceException {
32         JbiHelper helper = (JbiHelper) tuple.getWorkingMemory().getApplicationData("jbi");
33         if (helper == null) {
34             throw new ConsequenceException("No 'jbi' application data available");
35         }
36         try {
37             invokeJbiOperation(helper, tuple);
38         }
39         catch (MessagingException e) {
40             throw new ConsequenceException(e);
41         }
42     }
43     
44     protected abstract void invokeJbiOperation(JbiHelper helper, Tuple tuple) throws MessagingException;
45 }
46
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