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.expression;
17
18 import org.kuali.rice.krms.api.engine.ExecutionEnvironment;
19
20 /**
21 * Interface for implementing Expressions, invoked on a {@link ExecutionEnvironment}
22 * @author Kuali Rice Team (rice.collab@kuali.org)
23 *
24 */
25 public interface Expression<T> {
26
27 /**
28 * Invoke on the given {@link ExecutionEnvironment}.
29 * @param environment {@link ExecutionEnvironment} to invoke on.
30 * @return T
31 */
32 T invoke(ExecutionEnvironment environment);
33
34 }