| /* |
| * 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.solr.search; |
| |
| import org.apache.lucene.search.IndexSearcher; |
| import org.apache.lucene.search.QueryVisitor; |
| import org.apache.solr.handler.component.MergeStrategy; |
| import org.apache.solr.handler.component.ResponseBuilder; |
| import org.apache.solr.request.SolrRequestInfo; |
| |
| /** |
| * <b>Note: This API is experimental and may change in non backward-compatible ways in the future</b> |
| **/ |
| |
| public abstract class AnalyticsQuery extends ExtendedQueryBase implements PostFilter { |
| |
| public boolean getCache() { |
| return false; |
| } |
| |
| public int getCost() { |
| return Math.max(super.getCost(), 100); |
| } |
| |
| public boolean equals(Object o) { |
| return this == o ; |
| } |
| |
| public int hashCode() { |
| return System.identityHashCode(this); |
| } |
| |
| /** |
| * Use this constructor for single node analytics. |
| * */ |
| public AnalyticsQuery() { |
| |
| } |
| |
| /** |
| * Use this constructor for distributed analytics. |
| * @param mergeStrategy defines the distributed merge strategy for this AnalyticsQuery |
| **/ |
| |
| public AnalyticsQuery(MergeStrategy mergeStrategy){ |
| SolrRequestInfo info = SolrRequestInfo.getRequestInfo(); |
| ResponseBuilder rb = info.getResponseBuilder(); |
| rb.addMergeStrategy(mergeStrategy); |
| } |
| |
| public DelegatingCollector getFilterCollector(IndexSearcher searcher) { |
| SolrRequestInfo info = SolrRequestInfo.getRequestInfo(); |
| ResponseBuilder rb = null; |
| if(info != null) { |
| rb = info.getResponseBuilder(); |
| } |
| |
| if(rb == null) { |
| //This is the autowarming case. |
| return new DelegatingCollector(); |
| } else { |
| return getAnalyticsCollector(rb, searcher); |
| } |
| } |
| |
| public abstract DelegatingCollector getAnalyticsCollector(ResponseBuilder rb, IndexSearcher searcher); |
| |
| @Override |
| public void visit(QueryVisitor visitor) { |
| visitor.visitLeaf(this); |
| } |
| } |