01: /*
02: * Copyright 2005-2006 The Kuali Foundation.
03: *
04: *
05: * Licensed under the Educational Community License, Version 1.0 (the "License");
06: * you may not use this file except in compliance with the License.
07: * You may obtain a copy of the License at
08: *
09: * http://www.opensource.org/licenses/ecl1.php
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 edu.iu.uis.eden.engine.node;
18:
19: import edu.iu.uis.eden.engine.RouteContext;
20: import edu.iu.uis.eden.engine.RouteHelper;
21:
22: /**
23: * A simple implementation of a {@link JoinNode} which indicates it is complete once all branches
24: * have joined.
25: *
26: * @author ewestfal
27: */
28: public class SimpleJoinNode implements JoinNode {
29:
30: protected final org.apache.log4j.Logger LOG = org.apache.log4j.Logger
31: .getLogger(getClass());
32:
33: public JoinResult process(RouteContext context, RouteHelper helper)
34: throws Exception {
35: RouteNodeInstance nodeInstance = context.getNodeInstance();
36: LOG.debug("Processing join node "
37: + nodeInstance.getRouteNodeInstanceId());
38: if (helper.getJoinEngine().isJoined(nodeInstance)) {
39: LOG.debug("Join node is completely joined "
40: + nodeInstance.getRouteNodeInstanceId());
41: return new JoinResult(true);
42: }
43: return new JoinResult(false);
44: }
45:
46: }
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