StandardAggregation.java
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package com.yoho.search.aggregations.impls;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.Map.Entry;
import org.elasticsearch.search.aggregations.AbstractAggregationBuilder;
import org.elasticsearch.search.aggregations.Aggregation;
import org.elasticsearch.search.aggregations.AggregationBuilders;
import org.elasticsearch.search.aggregations.bucket.MultiBucketsAggregation;
import org.elasticsearch.search.aggregations.bucket.MultiBucketsAggregation.Bucket;
import com.yoho.search.aggregations.AbstractAggregation;
import com.yoho.search.service.SearchCommonService;
import com.yoho.search.utils.ISearchConstans;
public class StandardAggregation extends AbstractAggregation {
private SearchCommonService searchCommonService;
private Map<String, String> paramMap;
StandardAggregation(SearchCommonService searchCommonService,Map<String, String> paramMap){
this.searchCommonService = searchCommonService;
this.paramMap = paramMap;
}
@Override
public String aggName() {
return "standardAgg";
}
@Override
public AbstractAggregationBuilder getBuilder() {
return AggregationBuilders.terms(aggName()).field("standardNames").size(5000);
}
@Override
public Object getAggregationResponseMap(Map<String, Aggregation> aggMaps) {
MultiBucketsAggregation aggregation = this.getAggregation(aggMaps);
if (aggregation == null) {
return null;
}
return getStandardReponse(aggregation);
}
@SuppressWarnings("unchecked")
private Map<String, Object> getStandardReponse(MultiBucketsAggregation aggregation) {
Map<String, Object> standardMap = new LinkedHashMap<String, Object>();
Set<String> standardSet = new LinkedHashSet<String>(new ArrayList<String>());
Iterator<? extends Bucket> itstandardAgg = aggregation.getBuckets().iterator();
while (itstandardAgg.hasNext()) {
Bucket ltstandard = itstandardAgg.next();
// 787-领型:4438-圆领,788-衣长:4445-适中,789-袖长:4447-短袖,790-版型:4451-正常,791-厚度:4453-薄
for (String standardid : ltstandard.getKey().split(";")) {
standardSet.add(standardid.trim());
}
}
// 返回规格数
int iParamNum = paramMap.containsKey(ISearchConstans.PARAM_SEARCH_PARAMETPERNUM) ? Integer.parseInt(paramMap.get(ISearchConstans.PARAM_SEARCH_PARAMETPERNUM))
: ISearchConstans.RESULT_PARAM_COMMON;
Iterator<String> itStandardTypeAndValues = standardSet.iterator();
Map<String, String> map = new HashMap<String, String>();
while (itStandardTypeAndValues.hasNext()) {
// 787-领型:4438-圆领
String standardTypeAndValue = itStandardTypeAndValues.next();
if (!"".equals(standardTypeAndValue) && !"null".equals(standardTypeAndValue)) {
String[] tokens = standardTypeAndValue.split(":");
if (tokens.length > 1 && tokens[0].split("-").length > 1 && tokens[1].split("-").length > 1) {
String standardTypeId = tokens[0].split("-")[0];
String standardTypeName = tokens[0].split("-")[1];
if ("风格".equals(standardTypeName))
continue;
if (map.containsKey(standardTypeName)) {
if (!standardTypeId.equals(map.get(standardTypeName))) {
continue;
}
} else {
map.put(standardTypeName, standardTypeId);
}
String standardId = tokens[1].split("-")[0];
if (!"0".equals(standardId)) {
String standardName = tokens[1].split("-")[1];
String filterMapKey = "parameter_" + standardTypeId; // parameter_787
if (standardMap.containsKey(filterMapKey)) {
Map<String, Object> standardTypeMap = (Map<String, Object>) standardMap.get(filterMapKey);
List<Map<String, String>> standardList = (List<Map<String, String>>) standardTypeMap.get("sub");
Map<String, String> singleStandardMap = new HashMap<String, String>();
singleStandardMap.put("standard_id", standardId);
singleStandardMap.put("standard_name", standardName);
standardList.add(singleStandardMap);
standardTypeMap.put("sub", standardList);
standardMap.put(filterMapKey, standardTypeMap);
} else {
Map<String, Object> standardTypeMap = new HashMap<String, Object>();
standardTypeMap.put("standard_id", standardTypeId);
standardTypeMap.put("standard_name", standardTypeName);
List<Map<String, String>> standardList = new ArrayList<Map<String, String>>();
Map<String, String> singleStandardMap = new HashMap<String, String>();
singleStandardMap.put("standard_id", standardId);
singleStandardMap.put("standard_name", standardName);
standardList.add(singleStandardMap);
standardTypeMap.put("sub", standardList);
standardMap.put(filterMapKey, standardTypeMap);
}
}
}
}
}
Map<String, Object> rtnStandardMap = new LinkedHashMap<String, Object>();
Iterator<Entry<String, Object>> entryStandard = standardMap.entrySet().iterator();
int paramIndex = 0;
for (String key : paramMap.keySet()) {
if (key.contains("parameter_")) {
rtnStandardMap.put(key, searchCommonService.doGet(ISearchConstans.INDEX_NAME_STANDARD, paramMap.get(key)));
}
}
while (entryStandard.hasNext()) {
paramIndex++;
Entry<String, Object> entry = entryStandard.next();
if (!rtnStandardMap.containsKey(entry.getKey())) {
rtnStandardMap.put(entry.getKey(), entry.getValue());
}
if (paramIndex >= iParamNum) {
break;
}
}
return rtnStandardMap;
}
}