gfwleak/galaxy-tsg-olap-log-olap-analysis-schema
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增加flattenSpec函数，使用jsonpath解析json字段。

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This commit is contained in:
qidaijie
2021-09-28 14:17:20 +08:00
parent 99bf45cdbc
commit e4e4fa2893
2 changed files with 34 additions and 4 deletions
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2
src/main/java/com/zdjizhi/topology/StreamAggregateTopology.java
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@@ -29,7 +29,7 @@ public class StreamAggregateTopology {
try {
final StreamExecutionEnvironment environment = StreamExecutionEnvironment.getExecutionEnvironment();
environment.enableCheckpointing(5000);
// environment.enableCheckpointing(5000);
DataStream<String> streamSource = environment.addSource(Consumer.getKafkaConsumer())
.setParallelism(StreamAggregateConfig.CONSUMER_PARALLELISM);

36
src/main/java/com/zdjizhi/utils/functions/MapParseFunction.java
View File

@@ -1,5 +1,7 @@
package com.zdjizhi.utils.functions;
import com.jayway.jsonpath.InvalidPathException;
import com.jayway.jsonpath.JsonPath;
import com.zdjizhi.common.StreamAggregateConfig;
import com.zdjizhi.utils.JsonMapper;
import com.zdjizhi.utils.StringUtil;
@@ -58,14 +60,20 @@ public class MapParseFunction implements MapFunction<String, Tuple3<String, Stri
}
break;
case "combination":
if (StringUtil.isNotBlank(parameters)) {
if (logsKeyValue != null) {
if (logsKeyValue != null) {
if (StringUtil.isNotBlank(parameters)) {
combinationUtils(dimensionsObj, object, parameters, resultKeyName, logsKeyName);
}
}
break;
case "flattenSpec":
if (logsKeyValue != null) {
if (StringUtil.isNotBlank(parameters)) {
flattenSpec(dimensionsObj, object, parameters, resultKeyName, logsKeyName);
}
}
break;
case "hierarchy":
// collector.emit(new Values(JsonParseUtil.getValue(object, logsKeyName), JsonMapper.toJsonString(dimensionsObj), JsonMapper.toJsonString(object)));
return new Tuple3<>(JsonParseUtil.getString(object, logsKeyName), JsonMapper.toJsonString(dimensionsObj), JsonMapper.toJsonString(object));
default:
break;
@@ -119,4 +127,26 @@ public class MapParseFunction implements MapFunction<String, Tuple3<String, Stri
}
}
/**
* 根据表达式解析json
*
* @param message json
* @param expr 解析表达式
* @return 解析结果
*/
private static void flattenSpec(Map<String, Object> dimensions, Map<String, Object> message, String expr, String resultKeyName, String fieldName) {
try {
if (StringUtil.isNotBlank(expr)) {
String operateValue = JsonParseUtil.getString(message, fieldName);
ArrayList<String> read = JsonPath.parse(operateValue).read(expr);
String flattenResult = read.get(0);
dimensions.put(resultKeyName, flattenResult);
}
} catch (ClassCastException | InvalidPathException e) {
logger.error("设备标签解析异常，[ " + expr + " ]解析表达式错误" + e);
} catch (RuntimeException e) {
logger.error("json表达式解析异常，异常信息:" + e);
}
}
}