java-spanner/samples/snippets/src/main/java/com/example/spanner/CreateInstanceExample.java at main · googleapis/java-spanner · GitHub

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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.
 */

packagecom.example.spanner;

// [START spanner_create_instance]

importcom.google.cloud.spanner.Spanner;
importcom.google.cloud.spanner.SpannerOptions;
importcom.google.cloud.spanner.admin.instance.v1.InstanceAdminClient;
importcom.google.spanner.admin.instance.v1.CreateInstanceRequest;
importcom.google.spanner.admin.instance.v1.Instance;
importcom.google.spanner.admin.instance.v1.InstanceConfigName;
importcom.google.spanner.admin.instance.v1.ProjectName;
importjava.util.concurrent.ExecutionException;

classCreateInstanceExample {

staticvoidcreateInstance() {
// TODO(developer): Replace these variables before running the sample.
StringprojectId = "my-project";
StringinstanceId = "my-instance";
createInstance(projectId, instanceId);
 }

staticvoidcreateInstance(StringprojectId, StringinstanceId) {
// Set Instance configuration.
intnodeCount = 2;
StringdisplayName = "Descriptive name";

// Create an Instance object that will be used to create the instance.
Instanceinstance =
Instance.newBuilder()
 .setDisplayName(displayName)
 .setEdition(Instance.Edition.STANDARD)
 .setNodeCount(nodeCount)
 .setConfig(InstanceConfigName.of(projectId, "regional-us-east4").toString())
 .build();

try (Spannerspanner =
SpannerOptions.newBuilder().setProjectId(projectId).build().getService();
InstanceAdminClientinstanceAdminClient = spanner.createInstanceAdminClient()) {

// Wait for the createInstance operation to finish.
InstancecreatedInstance =
instanceAdminClient
 .createInstanceAsync(
CreateInstanceRequest.newBuilder()
 .setParent(ProjectName.of(projectId).toString())
 .setInstanceId(instanceId)
 .setInstance(instance)
 .build())
 .get();
System.out.printf("Instance %s was successfully created%n", createdInstance.getName());
 } catch (ExecutionExceptione) {
System.out.printf(
"Error: Creating instance %s failed with error message %s%n",
instance.getName(), e.getMessage());
 } catch (InterruptedExceptione) {
System.out.println("Error: Waiting for createInstance operation to finish was interrupted");
 }
 }
}
// [END spanner_create_instance]