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RetryTask.java
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RetryTask.java
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/*
* Copyright 2019 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.task;
// [START cloud_tasks_taskqueues_retrying_tasks]
import com.google.cloud.tasks.v2.CloudTasksClient;
import com.google.cloud.tasks.v2.LocationName;
import com.google.cloud.tasks.v2.Queue;
import com.google.cloud.tasks.v2.QueueName;
import com.google.cloud.tasks.v2.RateLimits;
import com.google.cloud.tasks.v2.RetryConfig;
import com.google.protobuf.Duration;
public class RetryTask {
public static void retryTask(
String projectId, String locationId, String fooqueue, String barqueue, String bazqueue)
throws Exception {
try (CloudTasksClient client = CloudTasksClient.create()) {
// TODO(developer): Uncomment these lines and replace with your values.
// String projectId = "your-project-id";
// String locationId = "us-central1";
// String fooqueue = "fooqueue";
// String barqueue = "barqueue";
// String bazqueue = "bazqueue";
LocationName parent = LocationName.of(projectId, locationId);
Duration retryDuration = Duration.newBuilder().setSeconds(2 * 60 * 60 * 24).build();
Duration min = Duration.newBuilder().setSeconds(10).build();
Duration max1 = Duration.newBuilder().setSeconds(200).build();
Duration max2 = Duration.newBuilder().setSeconds(300).build();
Queue foo =
Queue.newBuilder()
.setName(QueueName.of(projectId, locationId, fooqueue).toString())
.setRateLimits(RateLimits.newBuilder().setMaxDispatchesPerSecond(1.0))
.setRetryConfig(
RetryConfig.newBuilder().setMaxAttempts(7).setMaxRetryDuration(retryDuration))
.build();
Queue bar =
Queue.newBuilder()
.setName(QueueName.of(projectId, locationId, barqueue).toString())
.setRateLimits(RateLimits.newBuilder().setMaxDispatchesPerSecond(1.0))
.setRetryConfig(
RetryConfig.newBuilder()
.setMinBackoff(min)
.setMaxBackoff(max1)
.setMaxDoublings(0))
.build();
Queue baz =
Queue.newBuilder()
.setName(QueueName.of(projectId, locationId, bazqueue).toString())
.setRateLimits(RateLimits.newBuilder().setMaxDispatchesPerSecond(1.0))
.setRetryConfig(
RetryConfig.newBuilder()
.setMinBackoff(min)
.setMaxBackoff(max2)
.setMaxDoublings(3))
.build();
Queue[] queues = new Queue[] {foo, bar, baz};
for (Queue queue : queues) {
Queue response = client.createQueue(parent, queue);
System.out.println(response);
}
}
}
}
// [END cloud_tasks_taskqueues_retrying_tasks]