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chore: java21 upgrade for bigquery folder (#10158)
* chore: java21 upgrade for bigquery folder * updating header for BigQueryRun.java
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‎appengine-java21/ee8/bigquery/README.md‎

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<a href="https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/GoogleCloudPlatform/java-docs-samples&page=editor&open_in_editor=appengine-java21/bigquery/README.md">
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<img alt="Open in Cloud Shell" src ="http://gstatic.com/cloudssh/images/open-btn.png"></a>
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# Google Cloud API Showcase: BigQuery & Cloud Monitoring in App Engine standard environment for Java 21
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This API Showcase demonstrates how to run an App Engine standard environment application with dependencies on both
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[Google BigQuery][bigquery] and [Cloud Monitoring][monitoring].
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[bigquery]: https://cloud.google.com/bigquery/docs
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[monitoring]: https://cloud.google.com/monitoring/docs
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The home page of this application provides a form to initiate a query of public data, in this case StackOverflow
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questions tagged with `google-bigquery`.
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The home page also provides a summary view of the metrics that have been logged in the past 30 days.
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## Clone the sample app
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Copy the sample apps to your local machine, and cd to the `appengine-java21/bigquery` directory:
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```
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git clone https://github.com/GoogleCloudPlatform/java-docs-samples
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cd appengine-java21/bigquery
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```
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## Setup
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- Make sure [`gcloud`](https://cloud.google.com/sdk/docs/) is installed and initialized:
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```
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gcloud init
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```
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- If this is the first time you are creating an App Engine project
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```
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gcloud app create
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```
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- For local development, [set up][set-up] authentication
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- Enable [BigQuery][bigquery-api] and [Monitoring][monitoring-api] APIs
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[set-up]: https://cloud.google.com/docs/authentication/getting-started
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[bigquery-api]: https://console.cloud.google.com/launcher/details/google/bigquery-json.googleapis.com
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[monitoring-api]: https://console.cloud.google.com/launcher/details/google/monitoring.googleapis.com
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## Run locally
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Run using shown Maven command. You can then direct your browser to `http://localhost:8080/` to see the most recent query
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run (since the app started) and the metrics from the past 30 days.
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```
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mvn appengine:run
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```
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Note: The first time the app is run (or after any metrics definitions have been deleted) it may take up to 5 minutes for
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the MetricDescriptors to sync with StackDriver before any results are shown. If you do not see results, please wait a
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few moments and try again.
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## Deploy
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- Deploy to App Engine standard environment using the following Maven command.
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```
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mvn clean package appengine:deploy
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```
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- Direct your browser to `https://<your-project-id>.appspot.com`.
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- View more in-depth metrics data on the [Cloud Monitoring Dashboard][dashboard]
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[dashboard]: https://pantheon.corp.google.com/monitoring
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‎appengine-java21/ee8/bigquery/pom.xml‎

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<!--
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Copyright 2018 Google LLC
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<packaging>war</packaging>
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<version>1.0-SNAPSHOT</version>
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<groupId>com.example.appengine</groupId>
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<artifactId>appengine-bigquery-monitoring-j21</artifactId>
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<!--
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The parent pom defines common style checks and testing strategies for our samples.
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Removing or replacing it should not effect the execution of the samples in anyway.
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-->
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<parent>
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<groupId>com.google.cloud.samples</groupId>
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<artifactId>shared-configuration</artifactId>
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<version>1.2.0</version>
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</parent>
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<properties>
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<maven.compiler.target>1.8</maven.compiler.target>
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<maven.compiler.source>1.8</maven.compiler.source>
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</properties>
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<dependencyManagement>
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<dependencies>
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<dependency>
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<artifactId>libraries-bom</artifactId>
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<groupId>com.google.cloud</groupId>
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<scope>import</scope>
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<type>pom</type>
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<version>26.28.0</version>
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</dependency>
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</dependencies>
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</dependencyManagement>
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<dependencies>
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<dependency>
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<groupId>com.google.appengine</groupId>
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<artifactId>appengine-api-1.0-sdk</artifactId>
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<version>2.0.23</version>
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</dependency>
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<dependency>
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<groupId>javax.servlet</groupId>
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<artifactId>javax.servlet-api</artifactId>
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<version>3.1.0</version>
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<type>jar</type>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>com.google.cloud</groupId>
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<artifactId>google-cloud-bigquery</artifactId>
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</dependency>
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<dependency>
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<groupId>com.google.cloud</groupId>
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<artifactId>google-cloud-monitoring</artifactId>
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</dependency>
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<!-- Test Dependencies -->
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<dependency>
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<groupId>com.google.appengine</groupId>
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<artifactId>appengine-api-stubs</artifactId>
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<version>2.0.23</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>com.google.appengine</groupId>
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<artifactId>appengine-tools-sdk</artifactId>
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<version>2.0.23</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>4.13.2</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.mockito</groupId>
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<artifactId>mockito-core</artifactId>
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<version>4.11.0</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>com.google.appengine</groupId>
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<artifactId>appengine-testing</artifactId>
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<version>2.0.23</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>com.google.truth</groupId>
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<artifactId>truth</artifactId>
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<version>1.1.5</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<!-- for hot reload of the web application -->
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<outputDirectory>${project.build.directory}/${project.build.finalName}/WEB-INF/classes</outputDirectory>
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<plugins>
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<plugin>
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<groupId>com.google.cloud.tools</groupId>
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<artifactId>appengine-maven-plugin</artifactId>
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<version>2.5.0</version>
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<configuration>
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<projectId>GCLOUD_CONFIG</projectId>
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<version>GCLOUD_CONFIG</version>
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<deploy.promote>true</deploy.promote>
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<deploy.stopPreviousVersion>true</deploy.stopPreviousVersion>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-war-plugin</artifactId>
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<version>3.4.0</version>
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</plugin>
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</plugins>
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</build>
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</project>

‎appengine-java21/ee8/bigquery/src/main/java/com/example/appengine/bigquerylogging/BigQueryHome.java‎

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/*
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* Copyright 2018 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.appengine.bigquerylogging;
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import com.google.cloud.bigquery.FieldValueList;
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import com.google.cloud.bigquery.TableResult;
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import java.io.IOException;
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import java.util.List;
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public class BigQueryHome {
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private static BigQueryRunner queryRunner;
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private static BigQueryRunner getQueryRunner() throws IOException {
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if (queryRunner == null) {
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queryRunner = BigQueryRunner.getInstance();
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}
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return queryRunner;
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}
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public static String getMostRecentRun() throws IOException {
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return convertRunToHtmlTable(BigQueryRunner.getMostRecentRunResult());
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}
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public static String getMetricAverages() throws IOException {
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return convertAveragesToHtmlTable(getQueryRunner().getTimeSeriesValues());
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}
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private static String convertRunToHtmlTable(TableResult result) {
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if (result == null) {
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return "";
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}
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StringBuilder sb = new StringBuilder();
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for (FieldValueList row : result.iterateAll()) {
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sb.append("<tr>");
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String url = row.get("url").getStringValue();
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addColumn(sb, String.format("<a href=\"%s\">%s</a>", url, url));
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addColumn(sb, row.get("view_count").getLongValue());
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sb.append("</tr>");
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}
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return sb.toString();
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}
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private static String convertAveragesToHtmlTable(List<TimeSeriesSummary<?>> values) {
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StringBuilder sb = new StringBuilder();
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for (TimeSeriesSummary<?> metric : values) {
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sb.append("<tr>");
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addColumn(sb, metric.getName());
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addColumn(sb, metric.getValues().size());
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addColumn(sb, metric.getMostRecentRunTime());
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addColumn(sb, metric.getMostRecentValue());
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addColumn(sb, metric.getAverage());
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sb.append("</tr>");
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}
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return sb.toString();
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}
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private static <T> void addColumn(StringBuilder sb, T content) {
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sb.append("<td>").append(content.toString()).append("</td>");
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}
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}

‎appengine-java21/ee8/bigquery/src/main/java/com/example/appengine/bigquerylogging/BigQueryRun.java‎

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/*
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* Copyright 2018 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.appengine.bigquerylogging;
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import java.io.IOException;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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@WebServlet(name = "runQuery BigQuery", value = "/bigquery/run")
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public class BigQueryRun extends HttpServlet {
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private BigQueryRunner queryRunner;
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public BigQueryRun() throws IOException {
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this.queryRunner = BigQueryRunner.getInstance();
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}
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@Override
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public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
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try {
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queryRunner.runQuery();
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} catch (InterruptedException e) {
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resp.sendError(
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HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "Interrupted while running BigQuery job.");
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}
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// redirect to home page
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resp.sendRedirect("/");
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}
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}

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