1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.jetspeed.aggregator;
18
19 import java.io.IOException;
20
21 import org.apache.jetspeed.exception.JetspeedException;
22 import org.apache.jetspeed.request.RequestContext;
23
24 /***
25 * Basic aggregation interface
26 *
27 * @author <a href="mailto:taylor@apache.org">David Sean Taylor</a>
28 * @version $Id: Aggregator.java 516448 2007-03-09 16:25:47Z ate $
29 */
30 public interface Aggregator
31 {
32 /***
33 * Builds the portlet set defined in the context into a portlet tree.
34 *
35 * @return Unique Portlet Entity ID
36 */
37 public void build(RequestContext context)
38 throws JetspeedException, IOException;
39
40 }