private def parse()

in atlas-lwcapi/src/main/scala/com/netflix/atlas/lwcapi/ExpressionSplitter.scala [66:104]

37 lines of code
8 McCabe index (conditional complexity)


  private def parse(expression: String, exprType: ExprType): Try[List[DataExprMeta]] = Try {
    val parsedExpressions = interpreter.parseQuery(expression, exprType)
    exprType match {
      case ExprType.EVENTS =>
        parsedExpressions.collect {
          case e: EventExpr =>
            val q = toSpectatorQuery(compress(e.query))
            DataExprMeta(e.toString, q)
        }
      case ExprType.TIME_SERIES =>
        parsedExpressions
          .collect {
            case se: StyleExpr => se.expr.dataExprs
          }
          .flatten
          .distinct
          .map { e =>
            val q = toSpectatorQuery(compress(e.query))
            DataExprMeta(e.toString, q)
          }
      case ExprType.TRACE_EVENTS =>
        parsedExpressions.map { e =>
          // Tracing cannot be scoped to specific infrastructure, always use True
          DataExprMeta(e.toString, MatchesAll)
        }
      case ExprType.TRACE_TIME_SERIES =>
        parsedExpressions
          .collect {
            case tq: TraceQuery.SpanTimeSeries =>
              tq.expr.expr.dataExprs.map(e => tq.copy(expr = StyleExpr(e, Map.empty)))
          }
          .flatten
          .distinct
          .map { e =>
            // Tracing cannot be scoped to specific infrastructure, always use True
            DataExprMeta(e.toString, MatchesAll)
          }
    }
  }