/
CopyDataset.java
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/
CopyDataset.java
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/*
* Copyright 2020 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.bigquerydatatransfer;
// [START bigquerydatatransfer_copy_dataset]
import com.google.api.gax.rpc.ApiException;
import com.google.cloud.bigquery.datatransfer.v1.CreateTransferConfigRequest;
import com.google.cloud.bigquery.datatransfer.v1.DataTransferServiceClient;
import com.google.cloud.bigquery.datatransfer.v1.ProjectName;
import com.google.cloud.bigquery.datatransfer.v1.TransferConfig;
import com.google.protobuf.Struct;
import com.google.protobuf.Value;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
// Sample to copy dataset from another gcp project
public class CopyDataset {
public static void main(String[] args) throws IOException {
// TODO(developer): Replace these variables before running the sample.
final String destinationProjectId = "MY_DESTINATION_PROJECT_ID";
final String destinationDatasetId = "MY_DESTINATION_DATASET_ID";
final String sourceProjectId = "MY_SOURCE_PROJECT_ID";
final String sourceDatasetId = "MY_SOURCE_DATASET_ID";
Map<String, Value> params = new HashMap<>();
params.put("source_project_id", Value.newBuilder().setStringValue(sourceProjectId).build());
params.put("source_dataset_id", Value.newBuilder().setStringValue(sourceDatasetId).build());
TransferConfig transferConfig =
TransferConfig.newBuilder()
.setDestinationDatasetId(destinationDatasetId)
.setDisplayName("Your Dataset Copy Name")
.setDataSourceId("cross_region_copy")
.setParams(Struct.newBuilder().putAllFields(params).build())
.setSchedule("every 24 hours")
.build();
copyDataset(destinationProjectId, transferConfig);
}
public static void copyDataset(String projectId, TransferConfig transferConfig)
throws IOException {
try (DataTransferServiceClient dataTransferServiceClient = DataTransferServiceClient.create()) {
ProjectName parent = ProjectName.of(projectId);
CreateTransferConfigRequest request =
CreateTransferConfigRequest.newBuilder()
.setParent(parent.toString())
.setTransferConfig(transferConfig)
.build();
TransferConfig config = dataTransferServiceClient.createTransferConfig(request);
System.out.println("Copy dataset created successfully :" + config.getName());
} catch (ApiException ex) {
System.out.print("Copy dataset was not created." + ex.toString());
}
}
}
// [END bigquerydatatransfer_copy_dataset]