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#000: Refactor - V2 Changes and resolved all the conflicts
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@@ -455,4 +455,4 @@ | |
| </plugin> | ||
| </plugins> | ||
| </build> | ||
| </project> | ||
| </project> | ||
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116 changes: 116 additions & 0 deletions
116
...ruid-router/src/main/scala/org/sunbird/obsrv/router/functions/DynamicRouterFunction.scala
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| @@ -0,0 +1,116 @@ | ||
| package org.sunbird.obsrv.router.functions | ||
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| import com.fasterxml.jackson.databind.JsonNode | ||
| import com.fasterxml.jackson.databind.node.JsonNodeType | ||
| import org.apache.flink.configuration.Configuration | ||
| import org.apache.flink.streaming.api.functions.ProcessFunction | ||
| import org.joda.time.format.DateTimeFormat | ||
| import org.joda.time.{DateTime, DateTimeZone} | ||
| import org.slf4j.LoggerFactory | ||
| import org.sunbird.obsrv.core.model.{Constants, ErrorConstants, FunctionalError, Producer} | ||
| import org.sunbird.obsrv.core.streaming.Metrics | ||
| import org.sunbird.obsrv.core.util.{JSONUtil, Util} | ||
| import org.sunbird.obsrv.model.DatasetModels.{Dataset, DatasetConfig} | ||
| import org.sunbird.obsrv.router.task.DruidRouterConfig | ||
| import org.sunbird.obsrv.streaming.BaseDatasetProcessFunction | ||
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| import java.util.TimeZone | ||
| import scala.collection.mutable | ||
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| case class TimestampKey(isValid: Boolean, value: AnyRef) | ||
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| class DynamicRouterFunction(config: DruidRouterConfig) extends BaseDatasetProcessFunction(config) { | ||
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| private[this] val logger = LoggerFactory.getLogger(classOf[DynamicRouterFunction]) | ||
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| override def open(parameters: Configuration): Unit = { | ||
| super.open(parameters) | ||
| } | ||
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| override def close(): Unit = { | ||
| super.close() | ||
| } | ||
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| override def getMetrics(): List[String] = { | ||
| List(config.routerTotalCount, config.routerSuccessCount) | ||
| } | ||
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| override def processElement(dataset: Dataset, msg: mutable.Map[String, AnyRef], | ||
| ctx: ProcessFunction[mutable.Map[String, AnyRef], mutable.Map[String, AnyRef]]#Context, | ||
| metrics: Metrics): Unit = { | ||
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| metrics.incCounter(dataset.id, config.routerTotalCount) | ||
| val event = Util.getMutableMap(msg(config.CONST_EVENT).asInstanceOf[Map[String, AnyRef]]) | ||
| event.put(config.CONST_OBSRV_META, msg(config.CONST_OBSRV_META).asInstanceOf[Map[String, AnyRef]]) | ||
| val tsKeyData = TimestampKeyParser.parseTimestampKey(dataset.datasetConfig, event) | ||
| event.put("indexTS", tsKeyData.value) | ||
| if (tsKeyData.isValid || dataset.datasetType.equalsIgnoreCase(Constants.MASTER_DATASET_TYPE)) { | ||
| val routerConfig = dataset.routerConfig | ||
| val topicEventMap = mutable.Map(Constants.TOPIC -> routerConfig.topic, Constants.MESSAGE -> event) | ||
| ctx.output(config.routerOutputTag, topicEventMap) | ||
| metrics.incCounter(dataset.id, config.routerSuccessCount) | ||
| markCompletion(dataset, super.markComplete(event, dataset.dataVersion), ctx, Producer.router) | ||
| } else { | ||
| markFailure(Some(dataset.id), msg, ctx, metrics, ErrorConstants.INDEX_KEY_MISSING_OR_BLANK, Producer.router, FunctionalError.MissingTimestampKey, datasetType = Some(dataset.datasetType)) | ||
| } | ||
| } | ||
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| } | ||
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| object TimestampKeyParser { | ||
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| def parseTimestampKey(datasetConfig: DatasetConfig, event: mutable.Map[String, AnyRef]): TimestampKey = { | ||
| val indexKey = datasetConfig.tsKey | ||
| val node = JSONUtil.getKey(indexKey, JSONUtil.serialize(event)) | ||
| node.getNodeType match { | ||
| case JsonNodeType.NUMBER => onNumber(datasetConfig, node) | ||
| case JsonNodeType.STRING => onText(datasetConfig, node) | ||
| case _ => TimestampKey(isValid = false, null) | ||
| } | ||
| } | ||
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| private def onNumber(datasetConfig: DatasetConfig, node: JsonNode): TimestampKey = { | ||
| val length = node.asText().length | ||
| val value = node.numberValue().longValue() | ||
| // TODO: [P3] Crude implementation. Checking if the epoch timestamp format is one of seconds, milli-seconds, micro-second and nano-seconds. Find a elegant approach | ||
| if (length == 10 || length == 13 || length == 16 || length == 19) { | ||
| val tfValue:Long = if (length == 10) (value * 1000).longValue() else if (length == 16) (value / 1000).longValue() else if (length == 19) (value / 1000000).longValue() else value | ||
| TimestampKey(isValid = true, addTimeZone(datasetConfig, new DateTime(tfValue)).asInstanceOf[AnyRef]) | ||
| } else { | ||
| TimestampKey(isValid = false, 0.asInstanceOf[AnyRef]) | ||
| } | ||
| } | ||
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| private def onText(datasetConfig: DatasetConfig, node: JsonNode): TimestampKey = { | ||
| val value = node.textValue() | ||
| if (datasetConfig.tsFormat.isDefined) { | ||
| parseDateTime(datasetConfig, value) | ||
| } else { | ||
| TimestampKey(isValid = true, value) | ||
| } | ||
| } | ||
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| private def parseDateTime(datasetConfig: DatasetConfig, value: String): TimestampKey = { | ||
| try { | ||
| datasetConfig.tsFormat.get match { | ||
| case "epoch" => TimestampKey(isValid = true, addTimeZone(datasetConfig, new DateTime(value.toLong)).asInstanceOf[AnyRef]) | ||
| case _ => | ||
| val dtf = DateTimeFormat.forPattern(datasetConfig.tsFormat.get) | ||
| TimestampKey(isValid = true, addTimeZone(datasetConfig, dtf.parseDateTime(value)).asInstanceOf[AnyRef]) | ||
| } | ||
| } catch { | ||
| case _: Exception => TimestampKey(isValid = false, null) | ||
| } | ||
| } | ||
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| private def addTimeZone(datasetConfig: DatasetConfig, dateTime: DateTime): Long = { | ||
| if (datasetConfig.datasetTimezone.isDefined) { | ||
| val tz = DateTimeZone.forTimeZone(TimeZone.getTimeZone(datasetConfig.datasetTimezone.get)) | ||
| val offsetInMilliseconds = tz.getOffset(dateTime) | ||
| dateTime.plusMillis(offsetInMilliseconds).getMillis | ||
| } else { | ||
| dateTime.getMillis | ||
| } | ||
| } | ||
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| } |
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