Managed BigQueryIO #31486
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you 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 org.apache.beam.sdk.io.gcp.bigquery.providers; | ||
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| import static org.apache.beam.sdk.util.construction.BeamUrns.getUrn; | ||
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| import com.google.auto.service.AutoService; | ||
| import org.apache.beam.model.pipeline.v1.ExternalTransforms; | ||
| import org.apache.beam.sdk.annotations.Internal; | ||
| import org.apache.beam.sdk.schemas.transforms.SchemaTransform; | ||
| import org.apache.beam.sdk.schemas.transforms.SchemaTransformProvider; | ||
| import org.apache.beam.sdk.schemas.transforms.TypedSchemaTransformProvider; | ||
| import org.apache.beam.sdk.values.PCollection; | ||
| import org.apache.beam.sdk.values.PCollectionRowTuple; | ||
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| /** | ||
| * A BigQuery Write SchemaTransformProvider that routes to either {@link | ||
| * BigQueryFileLoadsWriteSchemaTransformProvider} or {@link | ||
| * BigQueryStorageWriteApiSchemaTransformProvider}. | ||
| * | ||
| * <p>Internal only. Used by the Managed Transform layer. | ||
| */ | ||
| @Internal | ||
| @AutoService(SchemaTransformProvider.class) | ||
| public class BigQueryWriteSchemaTransformProvider | ||
| extends TypedSchemaTransformProvider<BigQueryWriteConfiguration> { | ||
| @Override | ||
| public String identifier() { | ||
| return getUrn(ExternalTransforms.ManagedTransforms.Urns.BIGQUERY_WRITE); | ||
| } | ||
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| @Override | ||
| protected SchemaTransform from(BigQueryWriteConfiguration configuration) { | ||
| return new BigQueryWriteRouter(configuration); | ||
| } | ||
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| static class BigQueryWriteRouter extends SchemaTransform { | ||
| private final BigQueryWriteConfiguration configuration; | ||
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| BigQueryWriteRouter(BigQueryWriteConfiguration configuration) { | ||
| configuration.validate(); | ||
| this.configuration = configuration; | ||
| } | ||
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| @Override | ||
| public PCollectionRowTuple expand(PCollectionRowTuple input) { | ||
| if (input.getSinglePCollection().isBounded().equals(PCollection.IsBounded.BOUNDED)) { | ||
| return input.apply(new BigQueryFileLoadsWriteSchemaTransformProvider().from(configuration)); | ||
| } else { // UNBOUNDED | ||
| return input.apply( | ||
| new BigQueryStorageWriteApiSchemaTransformProvider().from(configuration)); | ||
| } | ||
| } | ||
| } | ||
| } |
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I think it's still fine to define these URNs in the proto.
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I feel like we don't need to right now? Since we're using a wrapper over file loads and storage api writes
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May be will be useful for any Python wrappers that directly use specific schema-transforms ?
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In that case maybe we can do this in a separate PR that targets all schematransforms?