measure/src/main/scala/org/apache/griffin/measure/step/builder/dsl/transform/analyzer/AccuracyAnalyzer.scala

/*
 * 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 AccuracyAnalyzer(expr: LogicalExpr, sourceName: String, targetName: String)
    extends BasicAnalyzer {

  val dataSourceNames: Set[String] =
    expr.preOrderTraverseDepthFirst(Set[String]())(seqDataSourceNames, combDataSourceNames)

  val sourceSelectionExprs: Seq[SelectionExpr] = {
    val seq = seqSelectionExprs(sourceName)
    expr.preOrderTraverseDepthFirst(Seq[SelectionExpr]())(seq, combSelectionExprs)
  }
  val targetSelectionExprs: Seq[SelectionExpr] = {
    val seq = seqSelectionExprs(targetName)
    expr.preOrderTraverseDepthFirst(Seq[SelectionExpr]())(seq, combSelectionExprs)
  }

  val selectionExprs: Seq[AliasableExpr] = sourceSelectionExprs ++ {
    expr.preOrderTraverseDepthFirst(Seq[AliasableExpr]())(seqWithAliasExprs, combWithAliasExprs)
  }

}