1 /**
2 * Copyright 2005-2012 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.krms.api.engine;
17
18 import java.util.Map;
19
20 /**
21 * An Engine executes using the given {@link SelectionCriteria}, @{link Facts}, and {@link ExecutionOptions} returning {@link EngineResults}
22 *
23 * @author Kuali Rice Team (rice.collab@kuali.org)
24 */
25 public interface Engine {
26
27 /**
28 * Initiates execution of the rules engine.
29 *
30 * @param selectionCriteria informs the engine of the {@link SelectionCriteria} to use for selection of contexts and agendas
31 * @param facts the facts that the rule engine can use during execution
32 * @param executionOptions defines various {@link ExecutionOptions} that instruct the rules engine on how to perform it's execution
33 *
34 * @return {@link EngineResults} the results of engine execution
35 */
36 EngineResults execute(SelectionCriteria selectionCriteria, Facts facts, ExecutionOptions executionOptions);
37
38 /**
39 * Initiates execution of the rules engine.
40 *
41 * @param selectionCriteria informs the engine of the {@link SelectionCriteria} to use for selection of contexts and agendas
42 * @param facts the facts that the rule engine can use during execution. Since this signature does not pass in
43 * {@link Term}s, all terms are defined with only a name, and term parameters can not be specified.
44 * @param executionOptions defines various {@link ExecutionOptions} that instruct the rules engine on how to perform it's execution
45 *
46 * @return the results of engine execution
47 */
48 EngineResults execute(SelectionCriteria selectionCriteria, Map<String, Object> facts, ExecutionOptions executionOptions);
49
50 }