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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.framework.engine;
17  
18  import org.kuali.rice.krms.api.engine.ExecutionEnvironment;
19  
20  /**
21   * An Action executes on a given {@link org.kuali.rice.krms.api.engine.ExecutionEnvironment}
22   *
23   * @see org.kuali.rice.krms.api.repository.action.ActionDefinitionContract
24   * @see org.kuali.rice.krms.api.repository.action.ActionDefinition
25   *
26   * @author Kuali Rice Team (rice.collab@kuali.org)
27   */
28  public interface Action {
29  
30      /**
31       * Execute on a given {@link org.kuali.rice.krms.api.engine.ExecutionEnvironment}.
32       * @param environment {@link org.kuali.rice.krms.api.engine.ExecutionEnvironment} to execute.
33       */
34  	public void execute(ExecutionEnvironment environment);
35  
36  	/**
37  	 * The engine may be run in a simulation mode and in this case,
38  	 * most actions should not be executed.  However, if part or all of 
39  	 * an action needs to be run in order for proper rule evaluation to 
40  	 * proceed, it should be called herein.
41       * @param environment {@link org.kuali.rice.krms.api.engine.ExecutionEnvironment} to simulate execution on.
42  	 */
43  	public void executeSimulation(ExecutionEnvironment environment);
44  }