| /* |
| 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 |
| |
| import org.apache.commons.lang.StringUtils |
| |
| import org.apache.griffin.measure.Loggable |
| import org.apache.griffin.measure.configuration.dqdefinition.{DataSourceParam, Param, RuleParam} |
| import org.apache.griffin.measure.configuration.enums._ |
| import org.apache.griffin.measure.context.DQContext |
| import org.apache.griffin.measure.step._ |
| |
| /** |
| * build dq step by param |
| */ |
| trait DQStepBuilder extends Loggable with Serializable { |
| |
| type ParamType <: Param |
| |
| def buildDQStep(context: DQContext, param: ParamType): Option[DQStep] |
| |
| protected def getStepName(name: String): String = { |
| if (StringUtils.isNotBlank(name)) name |
| else DQStepNameGenerator.genName |
| } |
| |
| } |
| |
| object DQStepBuilder { |
| |
| def buildStepOptByDataSourceParam(context: DQContext, dsParam: DataSourceParam |
| ): Option[DQStep] = { |
| getDataSourceParamStepBuilder(context.procType) |
| .flatMap(_.buildDQStep(context, dsParam)) |
| } |
| |
| private def getDataSourceParamStepBuilder(procType: ProcessType) |
| : Option[DataSourceParamStepBuilder] = { |
| procType match { |
| case BatchProcessType => Some(BatchDataSourceStepBuilder()) |
| case StreamingProcessType => Some(StreamingDataSourceStepBuilder()) |
| case _ => None |
| } |
| } |
| |
| def buildStepOptByRuleParam(context: DQContext, ruleParam: RuleParam |
| ): Option[DQStep] = { |
| val dslType = ruleParam.getDslType |
| val dsNames = context.dataSourceNames |
| val funcNames = context.functionNames |
| val dqStepOpt = getRuleParamStepBuilder(dslType, dsNames, funcNames) |
| .flatMap(_.buildDQStep(context, ruleParam)) |
| dqStepOpt.toSeq.flatMap(_.getNames).foreach(name => |
| context.compileTableRegister.registerTable(name) |
| ) |
| dqStepOpt |
| } |
| |
| private def getRuleParamStepBuilder(dslType: DslType, dsNames: Seq[String], funcNames: Seq[String] |
| ): Option[RuleParamStepBuilder] = { |
| dslType match { |
| case SparkSqlType => Some(SparkSqlDQStepBuilder()) |
| case DataFrameOpsType => Some(DataFrameOpsDQStepBuilder()) |
| case GriffinDslType => Some(GriffinDslDQStepBuilder(dsNames, funcNames)) |
| case _ => None |
| } |
| } |
| |
| } |