| /* |
| 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 ProfilingAnalyzer(expr: ProfilingClause, sourceName: String) extends BasicAnalyzer { |
| |
| val dataSourceNames = |
| expr.preOrderTraverseDepthFirst(Set[String]())(seqDataSourceNames, combDataSourceNames) |
| |
| val selectionExprs: Seq[Expr] = { |
| expr.selectClause.exprs.map(_.extractSelf).flatMap { expr => |
| expr match { |
| case e: SelectionExpr => Some(e) |
| case e: FunctionExpr => Some(e) |
| case _ => None |
| } |
| } |
| } |
| |
| val groupbyExprOpt = expr.groupbyClauseOpt |
| val preGroupbyExprs = expr.preGroupbyClauses.map(_.extractSelf) |
| val postGroupbyExprs = expr.postGroupbyClauses.map(_.extractSelf) |
| |
| } |