| /* |
| * 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.launch |
| |
| import scala.util.Try |
| |
| import org.apache.spark.sql.SparkSession |
| |
| import org.apache.griffin.measure.Loggable |
| import org.apache.griffin.measure.configuration.dqdefinition.{DQConfig, EnvConfig, SinkParam} |
| |
| /** |
| * dq application process |
| */ |
| trait DQApp extends Loggable with Serializable { |
| |
| val envParam: EnvConfig |
| val dqParam: DQConfig |
| |
| implicit var sparkSession: SparkSession = _ |
| |
| def init: Try[_] |
| |
| /** |
| * @return execution success |
| */ |
| def run: Try[Boolean] |
| |
| def close: Try[_] |
| |
| /** |
| * application will exit if it fails in run phase. |
| * if retryable is true, the exception will be threw to spark env, |
| * and enable retry strategy of spark application |
| */ |
| def retryable: Boolean |
| |
| /** |
| * timestamp as a key for metrics |
| */ |
| protected def getMeasureTime: Long = { |
| dqParam.getTimestampOpt match { |
| case Some(t) if t > 0 => t |
| case _ => System.currentTimeMillis |
| } |
| } |
| |
| protected def getSinkParams: Seq[SinkParam] = { |
| val validSinkTypes = dqParam.getValidSinkTypes |
| envParam.getSinkParams.flatMap { sinkParam => |
| if (validSinkTypes.contains(sinkParam.getType)) Some(sinkParam) else None |
| } |
| } |
| |
| } |