1 /*
2 * Copyright 2005-2008 The Kuali Foundation
3 *
4 *
5 * Licensed under the Educational Community License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.opensource.org/licenses/ecl2.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 org.kuali.rice.kew.engine.node;
18
19 import org.kuali.rice.kew.engine.RouteContext;
20
21 /**
22 * The JoinEngine is responsible for maintaining join state and determining when the join condition
23 * has been satisfied.
24 *
25 * @author Kuali Rice Team (rice.collab@kuali.org)
26 */
27 public interface JoinEngine {
28
29 public void addExpectedJoiner(RouteNodeInstance nodeInstance, Branch branch);
30
31 public void addActualJoiner(RouteNodeInstance nodeInstance, Branch branch);
32
33 public boolean isJoined(RouteNodeInstance nodeInstance);
34
35 public void createExpectedJoinState(RouteContext context, RouteNodeInstance joinInstance, RouteNodeInstance previousNodeInstance);
36 }