| /* |
| 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.udf |
| |
| import org.apache.spark.sql.SparkSession |
| |
| object GriffinUDFAgent { |
| def register(sparkSession: SparkSession): Unit = { |
| GriffinUDFs.register(sparkSession) |
| GriffinUDAggFs.register(sparkSession) |
| } |
| } |
| |
| /** |
| * user defined functions extension |
| */ |
| object GriffinUDFs { |
| |
| def register(sparkSession: SparkSession): Unit = { |
| sparkSession.udf.register("index_of", indexOf _) |
| sparkSession.udf.register("matches", matches _) |
| sparkSession.udf.register("reg_replace", regReplace _) |
| } |
| |
| private def indexOf(arr: Seq[String], v: String) = { |
| arr.indexOf(v) |
| } |
| |
| private def matches(s: String, regex: String) = { |
| s.matches(regex) |
| } |
| |
| private def regReplace(s: String, regex: String, replacement: String) = { |
| s.replaceAll(regex, replacement) |
| } |
| |
| } |
| |
| /** |
| * aggregation functions extension |
| */ |
| object GriffinUDAggFs { |
| |
| def register(sparkSession: SparkSession): Unit = { |
| } |
| |
| } |