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/*
* 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.handler.component;
import java.io.IOException;
import java.lang.invoke.MethodHandles;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;
import org.apache.solr.common.params.FacetParams;
import org.apache.solr.common.params.ModifiableSolrParams;
import org.apache.solr.common.params.SolrParams;
import org.apache.solr.common.util.NamedList;
import org.apache.solr.common.util.SimpleOrderedMap;
import org.apache.solr.search.DocSet;
import org.apache.solr.search.facet.FacetHeatmap;
import org.apache.solr.search.facet.FacetMerger;
import org.apache.solr.search.facet.FacetRequest;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* A 2D spatial faceting summary of a rectangular region. Used by {@link
* org.apache.solr.handler.component.FacetComponent} and {@link
* org.apache.solr.request.SimpleFacets}.
*
* @see FacetHeatmap
*/
public class SpatialHeatmapFacets {
private static final Logger log = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
// underneath facet_counts we put this here:
public static final String RESPONSE_KEY = "facet_heatmaps";
/** Called by {@link org.apache.solr.request.SimpleFacets} to compute heatmap facets. */
@SuppressWarnings("unchecked")
public static NamedList