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OutputProducer.scala
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OutputProducer.scala
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/*
* Copyright (c) 2002-2016 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cypher.feature.reporting
import java.util
import org.neo4j.cypher.internal.compiler.v3_1.ast.{QueryTagger, QueryTags}
import scala.collection.JavaConverters._
import scala.collection.immutable.ListMap
import scala.collection.mutable
trait OutputProducer {
def complete(query: String, outcome: Outcome): Unit
def dump(): String
def dumpTagStats: java.util.Map[String, Integer]
def dumpTagCombinationStats: (java.util.List[java.util.List[java.lang.Integer]], java.util.List[String])
}
object JsonProducer extends JsonProducer(tagger = QueryTagger)
class JsonProducer(tagger: QueryTagger[String]) extends OutputProducer {
override def complete(query: String, outcome: Outcome): Unit = {
results += new JsonResult(query, tagger(query), outcome)
}
private val results = mutable.ListBuffer[JsonResult]()
override def dump(): String = {
import com.novus.salat._
import com.novus.salat.global._
grater[JsonResult].toPrettyJSONArray(results.toList)
}
override def dumpTagStats: java.util.Map[String, Integer] = {
val tagCounts = results.map(result => result.prettyTags).foldLeft(Map.empty[String, Integer]) {
case (map, tags) =>
tags.foldLeft(map) {
case (inner, tag) =>
inner + ((tag, inner.getOrElse(tag, Int.box(0)) + 1))
}
}
val withZeros = QueryTags.all.foldLeft(tagCounts) {
case (map, tag) => if (map.contains(tag.toString)) map else map + ((tag.toString, 0))
}
sortByValue(withZeros).asJava
}
private def sortByValue(map: Map[String, Integer]) = ListMap(map.toList.sortBy(_._2): _*)
override def dumpTagCombinationStats: (java.util.List[java.util.List[java.lang.Integer]], java.util.List[String]) = {
val tags = QueryTags.all.toList.map(_.toString)
val indexMap = tags.zipWithIndex.toMap
val innerList = tags.indices.map(_ => Int.box(0))
val list = new util.ArrayList[java.util.List[java.lang.Integer]]()
tags.indices.foreach(_ => list.add(new util.ArrayList[java.lang.Integer](innerList.asJava)))
results.map(result => result.prettyTags).foreach { tags =>
// compile combinations
val map: Set[(String, String)] = tags.flatMap(tag => tags.filterNot(s => s == tag).map(s => (tag, s)))
map.foreach {
case (t1, t2) if t1 != t2 =>
val ints = list.get(indexMap(t1))
ints.set(indexMap(t2), ints.get(indexMap(t2)) + 1)
case _ =>
}
}
(list, tags.asJava)
}
}