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samples: add support for updateDatabase in Cloud Spanner (#2346)
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samples/snippets/src/main/java/com/example/spanner/UpdateDatabaseSample.java
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| /* | ||
| * Copyright 2023 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. | ||
| */ | ||
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| package com.example.spanner; | ||
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| // [START spanner_update_database] | ||
| import com.google.api.gax.longrunning.OperationFuture; | ||
| import com.google.cloud.spanner.Database; | ||
| import com.google.cloud.spanner.DatabaseAdminClient; | ||
| import com.google.cloud.spanner.DatabaseId; | ||
| import com.google.cloud.spanner.DatabaseInfo.DatabaseField; | ||
| import com.google.cloud.spanner.Spanner; | ||
| import com.google.cloud.spanner.SpannerExceptionFactory; | ||
| import com.google.cloud.spanner.SpannerOptions; | ||
| import com.google.spanner.admin.database.v1.UpdateDatabaseMetadata; | ||
| import java.util.concurrent.ExecutionException; | ||
| import java.util.concurrent.TimeUnit; | ||
| import java.util.concurrent.TimeoutException; | ||
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| public class UpdateDatabaseSample { | ||
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| static void updateDatabase() { | ||
| // TODO(developer): Replace these variables before running the sample. | ||
| final String projectId = "my-project"; | ||
| final String instanceId = "my-instance"; | ||
| final String databaseId = "my-database"; | ||
| updateDatabase(projectId, instanceId, databaseId); | ||
| } | ||
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| static void updateDatabase(String projectId, String instanceId, String databaseId) { | ||
| try (Spanner spanner = | ||
| SpannerOptions.newBuilder().setProjectId(projectId).build().getService()) { | ||
| final DatabaseAdminClient databaseAdminClient = spanner.getDatabaseAdminClient(); | ||
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| DatabaseId dbId = DatabaseId.of(projectId, instanceId, databaseId); | ||
| Database databaseToUpdate = | ||
| databaseAdminClient.newDatabaseBuilder(dbId).enableDropProtection().build(); | ||
| OperationFuture<Database, UpdateDatabaseMetadata> operation = | ||
| databaseAdminClient.updateDatabase(databaseToUpdate, DatabaseField.DROP_PROTECTION); | ||
| System.out.printf("Waiting for update operation for %s to complete...\n", dbId); | ||
| Database updatedDb = operation.get(5, TimeUnit.MINUTES); | ||
| System.out.printf("Updated database %s.\n", updatedDb.getId().getName()); | ||
| } catch (ExecutionException | TimeoutException e) { | ||
| // If the operation failed during execution, expose the cause. | ||
| throw SpannerExceptionFactory.asSpannerException(e.getCause()); | ||
| } catch (InterruptedException e) { | ||
| // Throw when a thread is waiting, sleeping, or otherwise occupied, | ||
| // and the thread is interrupted, either before or during the activity. | ||
| throw SpannerExceptionFactory.propagateInterrupt(e); | ||
| } | ||
| } | ||
| } | ||
| // [END spanner_update_database] |
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samples/snippets/src/test/java/com/example/spanner/UpdateDatabaseSampleIT.java
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| /* | ||
| * Copyright 2023 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. | ||
| */ | ||
|
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| package com.example.spanner; | ||
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| import static org.junit.Assert.assertFalse; | ||
| import static org.junit.Assert.assertTrue; | ||
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| import com.google.api.gax.longrunning.OperationFuture; | ||
| import com.google.cloud.spanner.DatabaseInfo.DatabaseField; | ||
| import com.google.spanner.admin.database.v1.UpdateDatabaseMetadata; | ||
| import java.util.Collections; | ||
| import java.util.concurrent.TimeUnit; | ||
| import org.junit.Test; | ||
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| public class UpdateDatabaseSampleIT extends SampleTestBase { | ||
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| @Test | ||
| public void testUpdateDatabase() throws Exception { | ||
| // Create database | ||
| final String databaseId = idGenerator.generateDatabaseId(); | ||
| databaseAdminClient | ||
| .createDatabase(instanceId, databaseId, Collections.emptyList()) | ||
| .get(5, TimeUnit.MINUTES); | ||
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| // Runs sample | ||
| final String out = | ||
| SampleRunner.runSample( | ||
| () -> UpdateDatabaseSample.updateDatabase(projectId, instanceId, databaseId)); | ||
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| DatabaseId dbId = DatabaseId.of(projectId, instanceId, databaseId); | ||
| assertTrue( | ||
| "Expected that database would have been updated. Output received was " + out, | ||
| out.contains(String.format("Updated database %s", dbId))); | ||
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| // Cleanup | ||
| Database databaseToUpdate = | ||
| databaseAdminClient.newDatabaseBuilder(dbId).disableDropProtection().build(); | ||
| OperationFuture<Database, UpdateDatabaseMetadata> operation = | ||
| databaseAdminClient.updateDatabase(databaseToUpdate, DatabaseField.DROP_PROTECTION); | ||
| Database updatedDb = operation.get(5, TimeUnit.MINUTES); | ||
| assertFalse(updatedDb.isDropProtectionEnabled()); | ||
| } | ||
| } |