| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache 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.apache.org/licenses/LICENSE-2.0 |
| * |
| * 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.apache.lucene.benchmark.byTask.feeds; |
| |
| import java.io.IOException; |
| import java.util.List; |
| import org.apache.lucene.facet.FacetField; |
| import org.apache.lucene.facet.FacetsConfig; |
| |
| /** |
| * Source items for facets. |
| * |
| * <p>For supported configuration parameters see {@link ContentItemsSource}. |
| */ |
| public abstract class FacetSource extends ContentItemsSource { |
| |
| /** |
| * Fills the next facets content items in the given list. Implementations must account for |
| * multi-threading, as multiple threads can call this method simultaneously. |
| */ |
| public abstract void getNextFacets(List<FacetField> facets) |
| throws NoMoreDataException, IOException; |
| |
| public abstract void configure(FacetsConfig config); |
| |
| @Override |
| public void resetInputs() throws IOException { |
| printStatistics("facets"); |
| // re-initiate since properties by round may have changed. |
| setConfig(getConfig()); |
| super.resetInputs(); |
| } |
| } |