Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Praful Makani
committed
Nov 24, 2020
1 parent
aa6c8e3
commit 6959556
Showing
2 changed files
with
149 additions
and
0 deletions.
There are no files selected for viewing
72 changes: 72 additions & 0 deletions
72
samples/snippets/src/main/java/com/example/bigquery/ExtractModel.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,72 @@ | ||
/* | ||
* Copyright 2020 Google LLC | ||
* | ||
* Licensed 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 com.example.bigquery; | ||
|
||
// [START bigquery_export_model] | ||
import com.google.cloud.bigquery.BigQuery; | ||
import com.google.cloud.bigquery.BigQueryException; | ||
import com.google.cloud.bigquery.BigQueryOptions; | ||
import com.google.cloud.bigquery.ExtractJobConfiguration; | ||
import com.google.cloud.bigquery.Job; | ||
import com.google.cloud.bigquery.JobInfo; | ||
import com.google.cloud.bigquery.ModelId; | ||
|
||
// Sample to extract model to GCS bucket | ||
public class ExtractModel { | ||
|
||
public static void main(String[] args) throws InterruptedException { | ||
// TODO(developer): Replace these variables before running the sample. | ||
String projectName = "bigquery-public-data"; | ||
String datasetName = "samples"; | ||
String modelName = "model"; | ||
String bucketName = "MY-BUCKET-NAME"; | ||
String destinationUri = "gs://" + bucketName + "/path/to/file"; | ||
extractModel(projectName, datasetName, modelName, destinationUri); | ||
} | ||
|
||
public static void extractModel( | ||
String projectName, String datasetName, String modelName, String destinationUri) | ||
throws InterruptedException { | ||
try { | ||
// Initialize client that will be used to send requests. This client only needs to be created | ||
// once, and can be reused for multiple requests. | ||
BigQuery bigquery = BigQueryOptions.getDefaultInstance().getService(); | ||
|
||
ModelId modelId = ModelId.of(projectName, datasetName, modelName); | ||
|
||
ExtractJobConfiguration extractConfig = | ||
ExtractJobConfiguration.newBuilder(modelId, destinationUri).build(); | ||
|
||
Job job = bigquery.create(JobInfo.of(extractConfig)); | ||
|
||
// Blocks until this job completes its execution, either failing or succeeding. | ||
Job completedJob = job.waitFor(); | ||
if (completedJob == null) { | ||
System.out.println("Job not executed since it no longer exists."); | ||
return; | ||
} else if (completedJob.getStatus().getError() != null) { | ||
System.out.println( | ||
"BigQuery was unable to extract due to an error: \n" + job.getStatus().getError()); | ||
return; | ||
} | ||
System.out.println("Model extract successful"); | ||
} catch (BigQueryException ex) { | ||
System.out.println("Model extraction job was interrupted. \n" + ex.toString()); | ||
} | ||
} | ||
} | ||
// [END bigquery_export_model] |
77 changes: 77 additions & 0 deletions
77
samples/snippets/src/test/java/com/example/bigquery/ExtractModelIT.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,77 @@ | ||
/* | ||
* Copyright 2020 Google LLC | ||
* | ||
* Licensed 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 com.example.bigquery; | ||
|
||
import static com.google.common.truth.Truth.assertThat; | ||
import static junit.framework.TestCase.assertNotNull; | ||
|
||
import java.io.ByteArrayOutputStream; | ||
import java.io.PrintStream; | ||
import java.util.logging.Level; | ||
import java.util.logging.Logger; | ||
import org.junit.After; | ||
import org.junit.Before; | ||
import org.junit.BeforeClass; | ||
import org.junit.Test; | ||
|
||
public class ExtractModelIT { | ||
|
||
private final Logger log = Logger.getLogger(this.getClass().getName()); | ||
private ByteArrayOutputStream bout; | ||
private PrintStream out; | ||
private PrintStream originalPrintStream; | ||
|
||
private static final String GCS_BUCKET = System.getenv("GCS_BUCKET"); | ||
|
||
private static void requireEnvVar(String varName) { | ||
assertNotNull( | ||
"Environment variable " + varName + " is required to perform these tests.", | ||
System.getenv(varName)); | ||
} | ||
|
||
@BeforeClass | ||
public static void checkRequirements() { | ||
requireEnvVar("GCS_BUCKET"); | ||
} | ||
|
||
@Before | ||
public void setUp() { | ||
bout = new ByteArrayOutputStream(); | ||
out = new PrintStream(bout); | ||
originalPrintStream = System.out; | ||
System.setOut(out); | ||
} | ||
|
||
@After | ||
public void tearDown() { | ||
// restores print statements in the original method | ||
System.out.flush(); | ||
System.setOut(originalPrintStream); | ||
log.log(Level.INFO, bout.toString()); | ||
} | ||
|
||
@Test | ||
public void testExtractModel() throws InterruptedException { | ||
String projectId = "bigquery-public-data"; | ||
String datasetName = "samples"; | ||
String modelName = "model"; | ||
String destinationUri = "gs://" + GCS_BUCKET + "/extractModel"; | ||
// Extract model content to GCS | ||
ExtractModel.extractModel(projectId, datasetName, modelName, destinationUri); | ||
assertThat(bout.toString()).contains("Model extract successful"); | ||
} | ||
} |