google-nomulus/java/google/registry/tools/BigqueryParameters.java
weiminyu 961e5cc7c7 Use @DefaultCredential for Cloud API access in GAE
This change completes the switch to @DefaultCredential for
all use cases in GAE.

Impacted modules:
- IcannReporting
- CreateCdnsTld command
- LoadSnapshot command.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=213511730
2018-09-20 11:19:36 -04:00

65 lines
2.5 KiB
Java

// Copyright 2017 The Nomulus Authors. All Rights Reserved.
//
// 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 google.registry.tools;
import com.beust.jcommander.Parameter;
import com.beust.jcommander.Parameters;
import google.registry.bigquery.BigqueryConnection;
import java.util.concurrent.Executors;
import org.joda.time.Duration;
/** Parameter delegate class to handle flag settings for a command's BigqueryConnection object. */
@Parameters(separators = " =")
final class BigqueryParameters {
/**
* Default to 20 threads to stay within Bigquery's rate limit of 20 concurrent queries.
*
* @see <a href="https://cloud.google.com/bigquery/quota-policy">BigQuery Quota Policy</a>
*/
private static final int DEFAULT_NUM_THREADS = 20;
@Parameter(
names = "--bigquery_dataset",
description = "Name of the default dataset to use, for reading and writing.")
private String bigqueryDataset = BigqueryConnection.DEFAULT_DATASET_NAME;
@Parameter(
names = "--bigquery_overwrite",
description = "Whether to automatically overwrite existing tables and views.")
private boolean bigqueryOverwrite;
@Parameter(
names = "--bigquery_poll_interval",
description = "Interval in milliseconds to wait between polls for job status.")
private Duration bigqueryPollInterval = Duration.standardSeconds(1);
@Parameter(
names = "--bigquery_num_threads",
description = "Number of threads for running simultaneous BigQuery operations.")
private int bigqueryNumThreads = DEFAULT_NUM_THREADS;
/** Returns a new BigqueryConnection constructed according to the delegate's flag settings. */
BigqueryConnection newConnection(BigqueryConnection.Builder connectionBuilder) throws Exception {
BigqueryConnection connection =
connectionBuilder
.setExecutorService(Executors.newFixedThreadPool(bigqueryNumThreads))
.setDatasetId(bigqueryDataset)
.setOverwrite(bigqueryOverwrite)
.setPollInterval(bigqueryPollInterval)
.build();
return connection;
}
}