如何将此弹性搜索功能得分查询转换为java API [英] How to covert this elastic search functional score query to java API
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问题描述
如何将以下ES查询转换为Java API?我正在使用弹性搜索2.3.3
How to convert the below ES query to Java API? I am using elastic search 2.3.3
GET /schema_name/_search
{
"from": 0,
"size": 200,
"query": {
"function_score": {
"query": {
"match_all": {}
},
"boost": "5",
"functions": [{
"filter": {
"term": {
"alert_code": "event_rule_1"
}
},
"weight": 50
},
{
"filter": {
"term": {
"alert_code": "event_rule_2"
}
},
"weight": 30
},
{
"filter": {
"term": {
"alert_code": "event_rule_3"
}
},
"weight": 10
},
{
"filter": {
"term": {
"alert_code": "event_rule_4"
}
},
"weight": 10
},
{
"filter": {
"term": {
"alert_code": "event_rule_5"
}
},
"weight": 50
},
{
"filter": {
"term": {
"alert_code": "event_rule_6"
}
},
"weight": 50
}
],
"max_boost": 50,
"score_mode": "max",
"boost_mode": "replace",
"min_score": 0
}
}
}
我有已经尝试使用Java API使用以下链接编写此ES查询
Elasticsearch FunctionScore使用Java API进行查询
I have already tried to write this ES query using Java API using the link below Elasticsearch FunctionScore query using Java API
但下面的链接似乎适用于较旧的ES版本,我无法在弹性搜索2.3.3中找到这些静态函数。
But the link below seems to be for a older ES version and i am unable to find those static functions in elastic search 2.3.3.
推荐答案
使用java API实现如下
Achieved it as below using the java API
FunctionScoreQueryBuilder functionScoreQueryBuilder = QueryBuilders
.functionScoreQuery(queryBuilder)
.setMinScore(0f)
.maxBoost(50f)
.scoreMode("max")
.boostMode(CombineFunction.REPLACE);
for (String alertCode : ruleCodesLowerCase) {
if(alertPriorityMap.get(alertCode.toUpperCase()) != null){
functionScoreQueryBuilder.add(QueryBuilders.termQuery(AlertESEnum.ALERT_CODE_FIELD.value(),
alertCode), ScoreFunctionBuilders.weightFactorFunction((AlertPriority.intValue(alertPriorityMap.get(alertCode.toUpperCase()).getPriority()))));
}
}
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