diff --git a/samples/snippets/src/main/java/com/example/bigquery/ListJobs.java b/samples/snippets/src/main/java/com/example/bigquery/ListJobs.java new file mode 100644 index 000000000..2c9399e47 --- /dev/null +++ b/samples/snippets/src/main/java/com/example/bigquery/ListJobs.java @@ -0,0 +1,50 @@ +/* + * 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_list_jobs] +import com.google.api.gax.paging.Page; +import com.google.cloud.bigquery.BigQuery; +import com.google.cloud.bigquery.BigQueryException; +import com.google.cloud.bigquery.BigQueryOptions; +import com.google.cloud.bigquery.Job; + +// Sample to get list of jobs +public class ListJobs { + + public static void runListJobs() { + listJobs(); + } + + public static void listJobs() { + 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(); + + Page jobs = bigquery.listJobs(BigQuery.JobListOption.pageSize(10)); + if (jobs == null) { + System.out.println("Dataset does not contain any jobs."); + return; + } + jobs.getValues().forEach(job -> System.out.printf("Success! Job ID: %s", job.getJobId())); + } catch (BigQueryException e) { + System.out.println("Jobs not listed in dataset due to error: \n" + e.toString()); + } + } +} +// [END bigquery_list_jobs] diff --git a/samples/snippets/src/test/java/com/example/bigquery/ListJobsIT.java b/samples/snippets/src/test/java/com/example/bigquery/ListJobsIT.java new file mode 100644 index 000000000..19871a92d --- /dev/null +++ b/samples/snippets/src/test/java/com/example/bigquery/ListJobsIT.java @@ -0,0 +1,62 @@ +/* + * 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 java.io.ByteArrayOutputStream; +import java.io.PrintStream; +import org.junit.After; +import org.junit.Before; +import org.junit.Test; + +public class ListJobsIT { + + private ByteArrayOutputStream bout; + private PrintStream out; + + @Before + public void setUp() { + bout = new ByteArrayOutputStream(); + out = new PrintStream(bout); + System.setOut(out); + + // Create a new job + String query = + "SELECT name" + + " FROM `bigquery-public-data.usa_names.usa_1910_2013`" + + " WHERE state = 'TX'" + + " LIMIT 100;"; + CreateJob.createJob(query); + + bout = new ByteArrayOutputStream(); + out = new PrintStream(bout); + System.setOut(out); + } + + @After + public void tearDown() { + // Clean up + System.setOut(null); + } + + @Test + public void testListJobs() { + ListJobs.listJobs(); + assertThat(bout.toString()).contains("Success! Job ID"); + } +}