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 }