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1   /**
2    * Copyright 2005-2016 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.rule;
17  
18  import org.kuali.rice.kew.engine.RouteContext;
19  
20  /**
21   * A rule is an entity that can be evaluated at runtime to generate a list of {@link RuleResponsibilityBo}s
22   * to which to dispatch action requests.
23   * @see RuleBaseValues
24   * @see RuleExpressionResult
25   * @author Kuali Rice Team (rice.collab@kuali.org)
26   */
27  public interface RuleExpression {
28      /**
29       * Performs an evaluation and returns a list of 0 or more {@link RuleResponsibilityBo}s to which to dispatch action requests
30       * @param rule the rule that this rule expression applies to
31       * @param context the RouteContext under which the expression is being evaluated
32       * @return the result of the rule evaluation
33       * @throws org.kuali.rice.kew.api.exception.WorkflowException
34       */
35      public RuleExpressionResult evaluate(Rule rule, RouteContext context);
36  }