/**
 * Copyright 2005-2013 The Kuali Foundation
 *
 * Licensed under the Educational Community License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.opensource.org/licenses/ecl2.php
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.kuali.rice.kew.rule;

import org.kuali.rice.kew.engine.RouteContext;

/**
 * A rule is an entity that can be evaluated at runtime to generate a list of {@link RuleResponsibilityBo}s
 * to which to dispatch action requests.
 * @see RuleBaseValues
 * @see RuleExpressionResult
 * @author Kuali Rice Team (rice.collab@kuali.org)
 */
public interface RuleExpression {
    /**
     * Performs an evaluation and returns a list of 0 or more {@link RuleResponsibilityBo}s to which to dispatch action requests
     * @param rule the rule that this rule expression applies to
     * @param context the RouteContext under which the expression is being evaluated
     * @return the result of the rule evaluation
     * @throws org.kuali.rice.kew.api.exception.WorkflowException
     */
    public RuleExpressionResult evaluate(Rule rule, RouteContext context);
}
