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docs(samples): add get routine (#504)
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Praful Makani committed Jul 2, 2020
1 parent 3c1884b commit dbe4d30691dcc8e607e58fe6c97b40f3a2091012
Showing with 128 additions and 0 deletions.
  1. +50 −0 samples/snippets/src/main/java/com/example/bigquery/GetRoutine.java
  2. +78 −0 samples/snippets/src/test/java/com/example/bigquery/GetRoutineIT.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_get_routine]
import com.google.cloud.bigquery.BigQuery;
import com.google.cloud.bigquery.BigQueryException;
import com.google.cloud.bigquery.BigQueryOptions;
import com.google.cloud.bigquery.Routine;
import com.google.cloud.bigquery.RoutineId;

// Sample to get a routine
public class GetRoutine {

public static void runGetRoutine() {
// TODO(developer): Replace these variables before running the sample.
String datasetName = "MY_DATASET_NAME";
String routineName = "MY_ROUTINE_NAME";
getRoutine(datasetName, routineName);
}

public static void getRoutine(String datasetName, String routineName) {
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();

RoutineId routineId = RoutineId.of(datasetName, routineName);
Routine routine = bigquery.getRoutine(routineId);
System.out.println("Routine retrieved successfully" + routine.getDescription());
} catch (BigQueryException e) {
System.out.println("Routine not retrieved. \n" + e.toString());
}
}
}
// [END bigquery_get_routine]
@@ -0,0 +1,78 @@
/*
* 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.UUID;
import org.junit.After;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;

public class GetRoutineIT {

private String routineName;
private ByteArrayOutputStream bout;
private PrintStream out;

private static final String BIGQUERY_DATASET_NAME = requireEnvVar("BIGQUERY_DATASET_NAME");

private static String requireEnvVar(String varName) {
String value = System.getenv(varName);
assertNotNull(
"Environment variable " + varName + " is required to perform these tests.",
System.getenv(varName));
return value;
}

@BeforeClass
public static void checkRequirements() {
requireEnvVar("BIGQUERY_DATASET_NAME");
}

@Before
public void setUp() {
bout = new ByteArrayOutputStream();
out = new PrintStream(bout);
System.setOut(out);

// create a temporary routine
routineName = "MY_ROUTINE_NAME_TEST_" + UUID.randomUUID().toString().substring(0, 8);
CreateRoutine.createRoutine(BIGQUERY_DATASET_NAME, routineName);

bout = new ByteArrayOutputStream();
out = new PrintStream(bout);
System.setOut(out);
}

@After
public void tearDown() {
// Clean up
DeleteRoutine.deleteRoutine(BIGQUERY_DATASET_NAME, routineName);
System.setOut(null);
}

@Test
public void testGetRoutine() {
GetRoutine.getRoutine(BIGQUERY_DATASET_NAME, routineName);
assertThat(bout.toString()).contains("Routine retrieved successfully");
}
}

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