com.google.cloud.spanner.Instance Java Examples

The following examples show how to use com.google.cloud.spanner.Instance. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: SpannerSample.java    From java-docs-samples with Apache License 2.0 6 votes vote down vote up 
static void listBackupOperations(InstanceAdminClient instanceAdminClient, DatabaseId databaseId) {
  Instance instance = instanceAdminClient.getInstance(databaseId.getInstanceId().getInstance());
  // Get create backup operations for the sample database.
  String filter =
      String.format(
          "(metadata.database:%s) AND "
              + "(metadata.@type:type.googleapis.com/"
              + "google.spanner.admin.database.v1.CreateBackupMetadata)",
          databaseId.getName());
  Page<Operation> operations = instance.listBackupOperations(Options.filter(filter));
  for (Operation op : operations.iterateAll()) {
    try {
      CreateBackupMetadata metadata = op.getMetadata().unpack(CreateBackupMetadata.class);
      System.out.println(
          String.format(
              "Backup %s on database %s pending: %d%% complete",
              metadata.getName(),
              metadata.getDatabase(),
              metadata.getProgress().getProgressPercent()));
    } catch (InvalidProtocolBufferException e) {
      // The returned operation does not contain CreateBackupMetadata.
      System.err.println(e.getMessage());
    }
  }
}
Example #2
Source File: SpannerSample.java    From java-docs-samples with Apache License 2.0 6 votes vote down vote up 
static void listDatabaseOperations(
    InstanceAdminClient instanceAdminClient,
    DatabaseAdminClient dbAdminClient,
    InstanceId instanceId) {
  Instance instance = instanceAdminClient.getInstance(instanceId.getInstance());
  // Get optimize restored database operations.
  String filter = "(metadata.@type:type.googleapis.com/"
                  + "google.spanner.admin.database.v1.OptimizeRestoredDatabaseMetadata)";
  for (Operation op : instance.listDatabaseOperations(Options.filter(filter)).iterateAll()) {
    try {
      OptimizeRestoredDatabaseMetadata metadata =
          op.getMetadata().unpack(OptimizeRestoredDatabaseMetadata.class);
      System.out.println(String.format(
          "Database %s restored from backup is %d%% optimized",
          metadata.getName(),
          metadata.getProgress().getProgressPercent()));
    } catch (InvalidProtocolBufferException e) {
      // The returned operation does not contain OptimizeRestoredDatabaseMetadata.
      System.err.println(e.getMessage());
    }
  }
}
Example #3
Source File: JdbcExamplesIT.java    From java-docs-samples with Apache License 2.0 6 votes vote down vote up 
@BeforeClass
public static void createTestDatabase() throws Exception {
  SpannerOptions options = SpannerOptions.newBuilder().build();
  Spanner spanner = options.getService();
  dbClient = spanner.getDatabaseAdminClient();
  if (instanceId == null) {
    Iterator<Instance> iterator =
        spanner.getInstanceAdminClient().listInstances().iterateAll().iterator();
    if (iterator.hasNext()) {
      instanceId = iterator.next().getId().getInstance();
    }
  }
  dbId = DatabaseId.of(options.getProjectId(), instanceId, databaseId);
  dbClient.dropDatabase(dbId.getInstanceId().getInstance(), dbId.getDatabase());
  dbClient.createDatabase(instanceId, databaseId, Collections.emptyList()).get();
  CreateTableExample.createTable(options.getProjectId(), instanceId, databaseId);
}
Example #4
Source File: InstanceAdminClientSnippets.java    From google-cloud-java with Apache License 2.0 5 votes vote down vote up 
/** Example to get an instance. */
public Instance getInstance(final String my_instance_id) {
  // [START instance_admin_client_get_instance]
  final String instanceId = my_instance_id;
  Instance ins = instanceAdminClient.getInstance(instanceId);
  // [END instance_admin_client_get_instance]
  return ins;
}
Example #5
Source File: InstanceAdminClientSnippets.java    From google-cloud-java with Apache License 2.0 5 votes vote down vote up 
/** Example to list instances. */
public List<Instance> listInstances() {
  // [START instance_admin_client_list_instances]
  List<Instance> instances =
      Lists.newArrayList(instanceAdminClient.listInstances(Options.pageSize(1)).iterateAll());
  // [END instance_admin_client_list_instances]
  return instances;
}