/*
 * 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.spark.sql.execution.ui

import scala.util.control.NonFatal

import com.fasterxml.jackson.annotation.JsonIgnore
import org.apache.spark.internal.Logging
import org.apache.spark.util.kvstore.{KVIndex, KVStore}

class AuronSQLAppStatusStore(store: KVStore) extends Logging {

  def buildInfo(): Option[AuronBuildInfoUIData] = {
    val kClass = classOf[AuronBuildInfoUIData]
    // KVStore throws when the record doesn't exist; treat missing data as "no build info".
    try {
      Option(store.read(kClass, kClass.getName))
    } catch {
      case _: NoSuchElementException => None
      case NonFatal(e) =>
        logWarning("Failed to read BuildInfo from KVStore", e)
        None
    }
  }
}

class AuronBuildInfoUIData(val info: Seq[(String, String)]) {
  @JsonIgnore
  @KVIndex
  def id: String = classOf[AuronBuildInfoUIData].getName()
}
