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AuthorizeDataset.java
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AuthorizeDataset.java
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/*
* Copyright 2022 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_authorized_dataset]
import com.google.cloud.bigquery.Acl;
import com.google.cloud.bigquery.BigQuery;
import com.google.cloud.bigquery.BigQueryException;
import com.google.cloud.bigquery.BigQueryOptions;
import com.google.cloud.bigquery.Dataset;
import com.google.cloud.bigquery.DatasetId;
import com.google.common.collect.ImmutableList;
import java.util.ArrayList;
import java.util.List;
public class AuthorizeDataset {
public static void main(String[] args) {
// TODO(developer): Replace these variables before running the sample.
String projectId = "PROJECT_ID";
String sourceDatasetName = "BIGQUERY_SOURCE_DATASET_NAME";
String userDatasetName = "BIGQUERY_USER_DATASET_NAME";
authorizeDataset(
DatasetId.of(projectId, sourceDatasetName), DatasetId.of(projectId, userDatasetName));
}
// This method will update sourceDataset's ACL with userDataset's ACL
public static void authorizeDataset(DatasetId sourceDatasetId, DatasetId userDatasetId) {
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();
// Get both source and user dataset's references
Dataset sourceDataset = bigquery.getDataset(sourceDatasetId);
Dataset userDataset = bigquery.getDataset(userDatasetId);
// Get the source dataset's ACL
List<Acl> sourceDatasetAcl = new ArrayList<>(sourceDataset.getAcl());
// Add the user dataset's DatasetAccessEntry object to the existing sourceDatasetAcl
List<String> targetTypes = ImmutableList.of("VIEWS");
Acl.DatasetAclEntity userDatasetAclEntity =
new Acl.DatasetAclEntity(userDatasetId, targetTypes);
sourceDatasetAcl.add(Acl.of(userDatasetAclEntity));
// update the source dataset with user dataset's ACL
Dataset updatedSourceDataset =
sourceDataset.toBuilder().setAcl(sourceDatasetAcl).build().update();
System.out.printf(
"Dataset %s updated with the added authorization\n", updatedSourceDataset.getDatasetId());
} catch (BigQueryException e) {
System.out.println("Dataset Authorization failed due to error: \n" + e);
}
}
}
// [END bigquery_authorized_dataset]