| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.griffin.measure.step.builder.dsl.transform.analyzer |
| |
| import org.apache.griffin.measure.step.builder.dsl.expr._ |
| |
| case class TimelinessAnalyzer(expr: TimelinessClause, sourceName: String) extends BasicAnalyzer { |
| |
| // val tsExpr = expr.desc |
| |
| // val seqAlias = (expr: Expr, v: Seq[String]) => { |
| // expr match { |
| // case apr: AliasableExpr => v ++ apr.alias |
| // case _ => v |
| // } |
| // } |
| // val combAlias = (a: Seq[String], b: Seq[String]) => a ++ b |
| // |
| // private val exprs = expr.exprs.toList |
| // val selectionPairs = exprs.map { pr => |
| // val res = pr.preOrderTraverseDepthFirst(Seq[String]())(seqAlias, combAlias) |
| // println(res) |
| // println(pr) |
| // (pr, res.headOption) |
| // } |
| // |
| // val (tsExprPair, endTsPairOpt) = selectionPairs match { |
| // case Nil => throw new Exception(s"timeliness analyzer error: ts column not set") |
| // case tsPair :: Nil => (tsPair, None) |
| // case tsPair :: endTsPair :: _ => (tsPair, Some(endTsPair)) |
| // } |
| // |
| // def getSelAlias(pair: (Expr, Option[String]), defAlias: String): (String, String) = { |
| // val (pr, aliasOpt) = pair |
| // val alias = aliasOpt.getOrElse(defAlias) |
| // (pr.desc, alias) |
| // } |
| |
| private val exprs = expr.exprs.map(_.desc).toList |
| |
| val (btsExpr, etsExprOpt) = exprs match { |
| case Nil => throw new Exception("timeliness analyzer error: ts column not set") |
| case btsExpr :: Nil => (btsExpr, None) |
| case btsExpr :: etsExpr :: _ => (btsExpr, Some(etsExpr)) |
| } |
| |
| } |