1 /**
2 * Copyright 2005-2011 The Kuali Foundation
3 *
4 * Licensed under the Educational Community License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.opensource.org/licenses/ecl2.php
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.kuali.rice.kew.engine.node;
17
18 import org.kuali.rice.kew.engine.RouteContext;
19
20 /**
21 * The JoinEngine is responsible for maintaining join state and determining when the join condition
22 * has been satisfied.
23 *
24 * @author Kuali Rice Team (rice.collab@kuali.org)
25 */
26 public interface JoinEngine {
27
28 public void addExpectedJoiner(RouteNodeInstance nodeInstance, Branch branch);
29
30 public void addActualJoiner(RouteNodeInstance nodeInstance, Branch branch);
31
32 public boolean isJoined(RouteNodeInstance nodeInstance);
33
34 public void createExpectedJoinState(RouteContext context, RouteNodeInstance joinInstance, RouteNodeInstance previousNodeInstance);
35 }