/** * 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.hadoop.hive.ql.hooks; import java.io.Serializable; import java.util.List; import junit.framework.Assert; import org.apache.hadoop.hive.ql.HiveDriverRunHook; import org.apache.hadoop.hive.ql.HiveDriverRunHookContext; import org.apache.hadoop.hive.ql.exec.Task; import org.apache.hadoop.hive.ql.hooks.HookContext.HookType; import org.apache.hadoop.hive.ql.parse.ASTNode; import org.apache.hadoop.hive.ql.parse.AbstractSemanticAnalyzerHook; import org.apache.hadoop.hive.ql.parse.HiveSemanticAnalyzerHookContext; import org.apache.hadoop.hive.ql.parse.SemanticException; import org.apache.hadoop.hive.ql.session.SessionState; import org.apache.hadoop.hive.ql.session.SessionState.LogHelper; /** * VerifyHooksRunInOrder. * * Has to subclasses RunFirst and RunSecond which can be run as either pre or post hooks. * Verifies that RunFirst is executed before RunSecond as the same type of hook. I.e. if they are * run as both Pre and Post hooks, RunSecond checks that RunFirst was run as a Pre or Post hook * respectively. * * When running this, be sure to specify RunFirst before RunSecond in the configuration variable. */ public class VerifyHooksRunInOrder { private static boolean preHookRunFirstRan = false; private static boolean postHookRunFirstRan = false; private static boolean staticAnalysisPreHookFirstRan = false; private static boolean staticAnalysisPostHookFirstRan = false; private static boolean driverRunPreHookFirstRan = false; private static boolean driverRunPostHookFirstRan = false; public static class RunFirst implements ExecuteWithHookContext { public void run(HookContext hookContext) { LogHelper console = SessionState.getConsole(); if (console == null) { return; } // This is simply to verify that the hooks were in fact run console.printError("Running RunFirst for " + hookContext.getHookType()); if (hookContext.getHookType() == HookType.PRE_EXEC_HOOK) { preHookRunFirstRan = true; } else { postHookRunFirstRan = true; } } } public static class RunSecond implements ExecuteWithHookContext { public void run(HookContext hookContext) throws Exception { LogHelper console = SessionState.getConsole(); if (console == null) { return; } // This is simply to verify that the hooks were in fact run console.printError("Running RunSecond for " + hookContext.getHookType()); if (hookContext.getHookType() == HookType.PRE_EXEC_HOOK) { Assert.assertTrue("Pre hooks did not run in the order specified.", preHookRunFirstRan); } else { Assert.assertTrue("Post hooks did not run in the order specified.", postHookRunFirstRan); } } } public static class RunFirstSemanticAnalysisHook extends AbstractSemanticAnalyzerHook { @Override public ASTNode preAnalyze(HiveSemanticAnalyzerHookContext context,ASTNode ast) throws SemanticException { LogHelper console = SessionState.getConsole(); if (console == null) { return ast; } // This is simply to verify that the hooks were in fact run console.printError("Running RunFirst for Pre Analysis Hook"); staticAnalysisPreHookFirstRan = true; return ast; } @Override public void postAnalyze(HiveSemanticAnalyzerHookContext context, List<Task<? extends Serializable>> rootTasks) throws SemanticException { LogHelper console = SessionState.getConsole(); if (console == null) { return; } // This is simply to verify that the hooks were in fact run console.printError("Running RunFirst for Post Analysis Hook"); staticAnalysisPostHookFirstRan = true; } } public static class RunSecondSemanticAnalysisHook extends AbstractSemanticAnalyzerHook { @Override public ASTNode preAnalyze(HiveSemanticAnalyzerHookContext context,ASTNode ast) throws SemanticException { LogHelper console = SessionState.getConsole(); if (console == null) { return ast; } // This is simply to verify that the hooks were in fact run console.printError("Running RunSecond for Pre Analysis Hook"); Assert.assertTrue("Pre Analysis Hooks did not run in the order specified.", staticAnalysisPreHookFirstRan); return ast; } @Override public void postAnalyze(HiveSemanticAnalyzerHookContext context, List<Task<? extends Serializable>> rootTasks) throws SemanticException { LogHelper console = SessionState.getConsole(); if (console == null) { return; } // This is simply to verify that the hooks were in fact run console.printError("Running RunSecond for Post Analysis Hook"); Assert.assertTrue("Post Analysis Hooks did not run in the order specified.", staticAnalysisPostHookFirstRan); } } public static class RunFirstDriverRunHook implements HiveDriverRunHook { @Override public void preDriverRun(HiveDriverRunHookContext hookContext) throws Exception { LogHelper console = SessionState.getConsole(); if (console == null) { return; } // This is simply to verify that the hooks were in fact run console.printError("Running RunFirst for Pre Driver Run Hook"); driverRunPreHookFirstRan = true; } @Override public void postDriverRun(HiveDriverRunHookContext hookContext) throws Exception { LogHelper console = SessionState.getConsole(); if (console == null) { return; } // This is simply to verify that the hooks were in fact run console.printError("Running RunFirst for Post Driver Run Hook"); driverRunPostHookFirstRan = true; } } public static class RunSecondDriverRunHook implements HiveDriverRunHook { @Override public void preDriverRun(HiveDriverRunHookContext hookContext) throws Exception { LogHelper console = SessionState.getConsole(); if (console == null) { return; } // This is simply to verify that the hooks were in fact run console.printError("Running RunSecond for Pre Driver Run Hook"); Assert.assertTrue("Driver Run Hooks did not run in the order specified.", driverRunPreHookFirstRan); } @Override public void postDriverRun(HiveDriverRunHookContext hookContext) throws Exception { LogHelper console = SessionState.getConsole(); if (console == null) { return; } // This is simply to verify that the hooks were in fact run console.printError("Running RunSecond for Post Driver Run Hook"); Assert.assertTrue("Driver Run Hooks did not run in the order specified.", driverRunPostHookFirstRan); } } }