| /* |
| * 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 = { |
| } |
| |
| } |