zhztheplayer commented on code in PR #7672: URL: https://github.com/apache/incubator-gluten/pull/7672#discussion_r1818294175
########## gluten-core/src/main/scala/org/apache/gluten/extension/injector/InjectorControl.scala: ########## @@ -0,0 +1,160 @@ +/* + * 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.gluten.extension.injector + +import org.apache.spark.sql.{SparkSession, Strategy} +import org.apache.spark.sql.catalyst.analysis.FunctionRegistry.FunctionBuilder +import org.apache.spark.sql.catalyst.parser.ParserInterface +import org.apache.spark.sql.catalyst.plans.logical.LogicalPlan +import org.apache.spark.sql.catalyst.rules.Rule +import org.apache.spark.sql.catalyst.trees.TreeNode +import org.apache.spark.sql.execution.{ColumnarRule, SparkPlan} + +import java.lang.reflect.{InvocationHandler, InvocationTargetException, Method} + +import scala.collection.mutable + +class InjectorControl private[injector] () { + import InjectorControl._ + private val disablerBuffer: mutable.ListBuffer[Disabler] = + mutable.ListBuffer() + private var combined: Disabler = (_: SparkSession) => false + + def disableOn(one: Disabler): Unit = synchronized { + disablerBuffer += one + // Update the combined disabler. + val disablerList = disablerBuffer.toList + combined = s => disablerList.exists(_.disabled(s)) + } + + private[injector] def disabler(): Disabler = synchronized { + combined + } +} + +object InjectorControl { + trait Disabler { + // If true, the injected rule will be disabled. + protected[injector] def disabled(session: SparkSession): Boolean + } + + private object Disabler { + implicit private[injector] class DisablerOps(disabler: Disabler) { + def wrapRule[TreeType <: TreeNode[_]]( + ruleBuilder: SparkSession => Rule[TreeType]): SparkSession => Rule[TreeType] = session => + { + val rule = ruleBuilder(session) + new Rule[TreeType] with DisablerAware { + override val ruleName: String = rule.ruleName + override def apply(plan: TreeType): TreeType = { + if (disabler.disabled(session)) { + return plan + } + rule(plan) + } + } + } + + def wrapStrategy(strategyBuilder: StrategyBuilder): StrategyBuilder = session => { + val strategy = strategyBuilder(session) + new Strategy with DisablerAware { + override def apply(plan: LogicalPlan): Seq[SparkPlan] = { + if (disabler.disabled(session)) { + return Nil + } + strategy(plan) + } + } + } + + def wrapParser(parserBuilder: ParserBuilder): ParserBuilder = (session, parser) => { + val before = parser + val after = parserBuilder(session, before) + // Use dynamic proxy to get rid of 3.2 compatibility issues. + java.lang.reflect.Proxy + .newProxyInstance( + classOf[ParserInterface].getClassLoader, + Array(classOf[ParserInterface], classOf[DisablerAware]), + new InvocationHandler { + override def invoke(proxy: Any, method: Method, args: Array[AnyRef]): AnyRef = { + try { + if (disabler.disabled(session)) { + return method.invoke(before, args: _*) + } + method.invoke(after, args: _*) + } catch { + case e: InvocationTargetException => + // Unwrap the UTE. Review Comment: s/UTE/ITE/ -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
