/
ListDatasets.java
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/
ListDatasets.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.bigquery;
// [START bigquery_list_datasets]
import com.google.api.gax.paging.Page;
import com.google.cloud.bigquery.BigQuery;
import com.google.cloud.bigquery.BigQuery.DatasetListOption;
import com.google.cloud.bigquery.BigQueryException;
import com.google.cloud.bigquery.BigQueryOptions;
import com.google.cloud.bigquery.Dataset;
public class ListDatasets {
public static void runListDatasets() {
// TODO(developer): Replace these variables before running the sample.
String projectId = "MY_PROJECT_ID";
listDatasets(projectId);
}
public static void listDatasets(String projectId) {
try {
// Initialize client that will be used to send requests. This client only needs to be created
// once, and can be reused for multiple requests.
BigQuery bigquery = BigQueryOptions.getDefaultInstance().getService();
Page<Dataset> datasets = bigquery.listDatasets(projectId, DatasetListOption.pageSize(100));
for (Dataset dataset : datasets.iterateAll()) {
System.out.println(dataset.getDatasetId() + " dataset in project listed successfully");
}
} catch (BigQueryException e) {
System.out.println("Project does not contain any datasets \n" + e.toString());
}
}
}
// [END bigquery_list_datasets]