用于异步插入商家评价的 Merchant API 代码示例
// Copyright 2025 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
//
// https://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 shopping.merchant.samples.reviews.v1beta;
import com.google.api.core.ApiFuture;
import com.google.api.core.ApiFutureCallback;
import com.google.api.core.ApiFutures;
import com.google.api.gax.core.FixedCredentialsProvider;
import com.google.auth.oauth2.GoogleCredentials;
import com.google.common.util.concurrent.MoreExecutors;
import com.google.protobuf.Timestamp;
import com.google.shopping.merchant.reviews.v1beta.InsertMerchantReviewRequest;
import com.google.shopping.merchant.reviews.v1beta.MerchantReview;
import com.google.shopping.merchant.reviews.v1beta.MerchantReviewAttributes;
import com.google.shopping.merchant.reviews.v1beta.MerchantReviewsServiceClient;
import com.google.shopping.merchant.reviews.v1beta.MerchantReviewsServiceSettings;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import java.util.stream.Collectors;
import shopping.merchant.samples.utils.Authenticator;
import shopping.merchant.samples.utils.Config;
/** This class demonstrates how to insert multiple merchant reviews asynchronously. */
public class InsertMerchantReviewsAsyncSample {
private static String generateRandomString() {
String characters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
Random random = new Random();
StringBuilder sb = new StringBuilder(8);
for (int i = 0; i < 8; i++) {
sb.append(characters.charAt(random.nextInt(characters.length())));
}
return sb.toString();
}
// Returns a merchant review with a random ID.
private static MerchantReview createMerchantReview(String accountId) {
String merchantReviewId = generateRandomString();
MerchantReviewAttributes attributes =
MerchantReviewAttributes.newBuilder()
.setTitle("Great Merchant!")
.setContent("Would buy there again.")
.setMinRating(1)
.setMaxRating(5)
.setRating(4)
.setReviewTime(Timestamp.newBuilder().setSeconds(1731165684).build())
.setReviewLanguage("en-US")
.build();
return MerchantReview.newBuilder()
.setMerchantReviewId(merchantReviewId)
.setAttributes(attributes)
.build();
}
public static void asyncInsertMerchantReviews(String accountId, String dataSourceId)
throws Exception {
GoogleCredentials credential = new Authenticator().authenticate();
MerchantReviewsServiceSettings merchantReviewsServiceSettings =
MerchantReviewsServiceSettings.newBuilder()
.setCredentialsProvider(FixedCredentialsProvider.create(credential))
.build();
try (MerchantReviewsServiceClient merchantReviewsServiceClient =
MerchantReviewsServiceClient.create(merchantReviewsServiceSettings)) {
// Arbitrarily creates five merchant reviews with random IDs.
List<InsertMerchantReviewRequest> requests = new ArrayList<>();
for (int i = 0; i < 5; i++) {
InsertMerchantReviewRequest request =
InsertMerchantReviewRequest.newBuilder()
.setParent(String.format("accounts/%s", accountId))
.setMerchantReview(createMerchantReview(accountId))
// Must be a merchant reviews data source. In other words, a data source whose
// "type"
// is MerchantReviewDataSource.
.setDataSource(String.format("accounts/%s/dataSources/%s", accountId, dataSourceId))
.build();
requests.add(request);
}
// Inserts the merchant reviews.
List<ApiFuture<MerchantReview>> futures =
requests.stream()
.map(
request ->
merchantReviewsServiceClient
.insertMerchantReviewCallable()
.futureCall(request))
.collect(Collectors.toList());
// Creates callback to handle the responses when all are ready.
ApiFuture<List<MerchantReview>> responses = ApiFutures.allAsList(futures);
ApiFutures.addCallback(
responses,
new ApiFutureCallback<List<MerchantReview>>() {
@Override
public void onSuccess(List<MerchantReview> results) {
System.out.println("Inserted merchant reviews below:");
System.out.println(results);
}
@Override
public void onFailure(Throwable throwable) {
System.out.println(throwable);
}
},
MoreExecutors.directExecutor());
} catch (Exception e) {
System.out.println(e);
}
}
public static void main(String[] args) throws Exception {
Config config = Config.load();
asyncInsertMerchantReviews(config.getAccountId().toString(), "YOUR_DATA_SOURCE_ID");
}
}