diff --git a/samples/snippets/src/main/java/com/example/bigquerydatatransfer/GetTransferConfigInfo.java b/samples/snippets/src/main/java/com/example/bigquerydatatransfer/GetTransferConfigInfo.java new file mode 100644 index 00000000..14b57a6d --- /dev/null +++ b/samples/snippets/src/main/java/com/example/bigquerydatatransfer/GetTransferConfigInfo.java @@ -0,0 +1,48 @@ +/* + * 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_get_config_info] +import com.google.api.gax.rpc.ApiException; +import com.google.cloud.bigquery.datatransfer.v1.DataTransferServiceClient; +import com.google.cloud.bigquery.datatransfer.v1.GetTransferConfigRequest; +import com.google.cloud.bigquery.datatransfer.v1.TransferConfig; +import java.io.IOException; + +// Sample to get config info. +public class GetTransferConfigInfo { + + public static void main(String[] args) throws IOException { + // TODO(developer): Replace these variables before running the sample. + String configId = "MY_CONFIG_ID"; + // i.e projects/{project_id}/transferConfigs/{config_id}` or + // `projects/{project_id}/locations/{location_id}/transferConfigs/{config_id}` + getTransferConfigInfo(configId); + } + + public static void getTransferConfigInfo(String configId) throws IOException { + try (DataTransferServiceClient dataTransferServiceClient = DataTransferServiceClient.create()) { + GetTransferConfigRequest request = + GetTransferConfigRequest.newBuilder().setName(configId).build(); + TransferConfig info = dataTransferServiceClient.getTransferConfig(request); + System.out.printf("\nConfig info retrieved successfully.name : %s \n", info.getName()); + } catch (ApiException ex) { + System.out.print("config not found." + ex.toString()); + } + } +} +// [END bigquerydatatransfer_get_config_info] diff --git a/samples/snippets/src/test/java/com/example/bigquerydatatransfer/GetTransferConfigInfoIT.java b/samples/snippets/src/test/java/com/example/bigquerydatatransfer/GetTransferConfigInfoIT.java new file mode 100644 index 00000000..818c4a3d --- /dev/null +++ b/samples/snippets/src/test/java/com/example/bigquerydatatransfer/GetTransferConfigInfoIT.java @@ -0,0 +1,122 @@ +/* + * 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; + +import static com.google.common.truth.Truth.assertThat; +import static junit.framework.TestCase.assertNotNull; + +import com.google.cloud.bigquery.BigQuery; +import com.google.cloud.bigquery.BigQueryOptions; +import com.google.cloud.bigquery.DatasetInfo; +import com.google.cloud.bigquery.datatransfer.v1.TransferConfig; +import com.google.protobuf.Struct; +import com.google.protobuf.Value; +import java.io.ByteArrayOutputStream; +import java.io.IOException; +import java.io.PrintStream; +import java.util.HashMap; +import java.util.Map; +import java.util.UUID; +import org.junit.After; +import org.junit.Before; +import org.junit.BeforeClass; +import org.junit.Test; + +public class GetTransferConfigInfoIT { + + private BigQuery bigquery; + private ByteArrayOutputStream bout; + private String name; + private String displayName; + private String datasetName; + private PrintStream out; + private PrintStream originalPrintStream; + + private static final String PROJECT_ID = requireEnvVar("GOOGLE_CLOUD_PROJECT"); + + private static String requireEnvVar(String varName) { + String value = System.getenv(varName); + assertNotNull( + "Environment variable " + varName + " is required to perform these tests.", + System.getenv(varName)); + return value; + } + + @BeforeClass + public static void checkRequirements() { + requireEnvVar("GOOGLE_CLOUD_PROJECT"); + } + + @Before + public void setUp() { + bout = new ByteArrayOutputStream(); + out = new PrintStream(bout); + originalPrintStream = System.out; + System.setOut(out); + + displayName = "MY_SCHEDULE_NAME_TEST_" + UUID.randomUUID().toString().substring(0, 8); + datasetName = "MY_DATASET_NAME_TEST_" + UUID.randomUUID().toString().substring(0, 8); + + // create a temporary dataset + bigquery = BigQueryOptions.getDefaultInstance().getService(); + bigquery.create(DatasetInfo.of(datasetName)); + + // create a scheduled query + String query = + "SELECT CURRENT_TIMESTAMP() as current_time, @run_time as intended_run_time, " + + "@run_date as intended_run_date, 17 as some_integer"; + String destinationTableName = + "MY_DESTINATION_TABLE_" + UUID.randomUUID().toString().substring(0, 8) + "_{run_date}"; + Map params = new HashMap<>(); + params.put("query", Value.newBuilder().setStringValue(query).build()); + params.put( + "destination_table_name_template", + Value.newBuilder().setStringValue(destinationTableName).build()); + params.put("write_disposition", Value.newBuilder().setStringValue("WRITE_TRUNCATE").build()); + params.put("partitioning_field", Value.newBuilder().setStringValue("").build()); + TransferConfig transferConfig = + TransferConfig.newBuilder() + .setDestinationDatasetId(datasetName) + .setDisplayName(displayName) + .setDataSourceId("scheduled_query") + .setParams(Struct.newBuilder().putAllFields(params).build()) + .setSchedule("every 24 hours") + .build(); + CreateScheduledQuery.createScheduledQuery(PROJECT_ID, transferConfig); + String result = bout.toString(); + name = result.substring(result.indexOf(".") + 1); + } + + @After + public void tearDown() { + // delete scheduled query that was just created + DeleteScheduledQuery.deleteScheduledQuery(name); + // delete a temporary dataset + bigquery.delete(datasetName, BigQuery.DatasetDeleteOption.deleteContents()); + + // restores print statements in the original method + System.setOut(originalPrintStream); + String output = new String(bout.toByteArray()); + System.out.println(output); + } + + @Test + public void testGetTransferConfigInfo() throws IOException { + GetTransferConfigInfo.getTransferConfigInfo(name); + assertThat(bout.toString()).contains("Config info retrieved successfully."); + } +}