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sdks/java/io/iceberg/src/main/java/org/apache/beam/io/iceberg/IcebergIOTranslation.java
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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.io.iceberg; | ||
|
|
||
| import static org.apache.beam.io.iceberg.IcebergIO.ReadRows; | ||
| import static org.apache.beam.io.iceberg.IcebergIO.WriteRows; | ||
| import static org.apache.beam.sdk.util.construction.TransformUpgrader.fromByteArray; | ||
| import static org.apache.beam.sdk.util.construction.TransformUpgrader.toByteArray; | ||
|
|
||
| import com.google.auto.service.AutoService; | ||
| import java.io.IOException; | ||
| import java.io.InvalidClassException; | ||
| import java.util.Arrays; | ||
| import java.util.Collection; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.stream.Collectors; | ||
| import org.apache.beam.model.pipeline.v1.RunnerApi.FunctionSpec; | ||
| import org.apache.beam.sdk.options.PipelineOptions; | ||
| import org.apache.beam.sdk.runners.AppliedPTransform; | ||
| import org.apache.beam.sdk.schemas.Schema; | ||
| import org.apache.beam.sdk.schemas.Schema.FieldType; | ||
| import org.apache.beam.sdk.transforms.PTransform; | ||
| import org.apache.beam.sdk.util.construction.PTransformTranslation.TransformPayloadTranslator; | ||
| import org.apache.beam.sdk.util.construction.SdkComponents; | ||
| import org.apache.beam.sdk.util.construction.TransformPayloadTranslatorRegistrar; | ||
| import org.apache.beam.sdk.values.Row; | ||
| import org.apache.beam.vendor.grpc.v1p60p1.com.google.protobuf.ByteString; | ||
| import org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.collect.ImmutableMap; | ||
| import org.apache.iceberg.catalog.TableIdentifier; | ||
| import org.checkerframework.checker.nullness.qual.Nullable; | ||
|
|
||
| @SuppressWarnings({"rawtypes", "nullness"}) | ||
| public class IcebergIOTranslation { | ||
| static class IcebergIOReadTranslator implements TransformPayloadTranslator<ReadRows> { | ||
|
|
||
| static Schema schema = | ||
| Schema.builder() | ||
| .addByteArrayField("catalog_config") | ||
| .addNullableArrayField("table_identifier", FieldType.STRING) | ||
| .build(); | ||
|
|
||
| public static final String ICEBERG_READ_TRANSFORM_URN = | ||
| "beam:transform:org.apache.beam:iceberg_read:v1"; | ||
|
|
||
| @Override | ||
| public String getUrn() { | ||
| return ICEBERG_READ_TRANSFORM_URN; | ||
| } | ||
|
|
||
| @Override | ||
| public @Nullable FunctionSpec translate( | ||
| AppliedPTransform<?, ?, ReadRows> application, SdkComponents components) | ||
| throws IOException { | ||
| // Setting an empty payload since Iceberg transform payload is not actually used by runners | ||
| // currently. | ||
| return FunctionSpec.newBuilder().setUrn(getUrn()).setPayload(ByteString.empty()).build(); | ||
| } | ||
|
|
||
| @Override | ||
| public Row toConfigRow(ReadRows transform) { | ||
|
|
||
| Map<String, Object> fieldValues = new HashMap<>(); | ||
|
|
||
| if (transform.getCatalogConfig() != null) { | ||
| fieldValues.put("catalog_config", toByteArray(transform.getCatalogConfig())); | ||
| } | ||
| if (transform.getTableIdentifier() != null) { | ||
| TableIdentifier identifier = transform.getTableIdentifier(); | ||
| List<String> identifierParts = | ||
| Arrays.stream(identifier.namespace().levels()).collect(Collectors.toList()); | ||
| identifierParts.add(identifier.name()); | ||
| fieldValues.put("table_identifier", identifierParts); | ||
| } | ||
|
|
||
| return Row.withSchema(schema).withFieldValues(fieldValues).build(); | ||
| } | ||
|
|
||
| @Override | ||
| public ReadRows fromConfigRow(Row configRow, PipelineOptions options) { | ||
| try { | ||
| ReadRows.Builder builder = new AutoValue_IcebergIO_ReadRows.Builder(); | ||
|
|
||
| byte[] catalogBytes = configRow.getBytes("catalog_config"); | ||
| if (catalogBytes != null) { | ||
| builder = builder.setCatalogConfig((IcebergCatalogConfig) fromByteArray(catalogBytes)); | ||
| } | ||
| Collection<String> tableIdentifierParts = configRow.getArray("table_identifier"); | ||
| if (tableIdentifierParts != null) { | ||
| builder = | ||
| builder.setTableIdentifier( | ||
| TableIdentifier.parse(String.join(".", tableIdentifierParts))); | ||
| } | ||
| return builder.build(); | ||
| } catch (InvalidClassException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| @AutoService(TransformPayloadTranslatorRegistrar.class) | ||
| public static class ReadRegistrar implements TransformPayloadTranslatorRegistrar { | ||
| @Override | ||
| @SuppressWarnings({ | ||
| "rawtypes", | ||
| }) | ||
| public Map<? extends Class<? extends PTransform>, ? extends TransformPayloadTranslator> | ||
| getTransformPayloadTranslators() { | ||
| return ImmutableMap.<Class<? extends PTransform>, TransformPayloadTranslator>builder() | ||
| .put(AutoValue_IcebergIO_ReadRows.class, new IcebergIOReadTranslator()) | ||
| .build(); | ||
| } | ||
| } | ||
|
|
||
| static class IcebergIOWriteTranslator implements TransformPayloadTranslator<WriteRows> { | ||
|
|
||
| static Schema schema = | ||
| Schema.builder() | ||
| .addByteArrayField("catalog_config") | ||
| .addNullableArrayField("table_identifier", FieldType.STRING) | ||
| .addNullableByteArrayField("dynamic_destinations") | ||
| .build(); | ||
|
|
||
| public static final String ICEBERG_WRITE_TRANSFORM_URN = | ||
| "beam:transform:org.apache.beam:iceberg_write:v1"; | ||
|
|
||
| @Override | ||
| public String getUrn() { | ||
| return ICEBERG_WRITE_TRANSFORM_URN; | ||
| } | ||
|
|
||
| @Override | ||
| public @Nullable FunctionSpec translate( | ||
| AppliedPTransform<?, ?, WriteRows> application, SdkComponents components) | ||
| throws IOException { | ||
| // Setting an empty payload since Iceberg transform payload is not actually used by runners | ||
| // currently. | ||
| return FunctionSpec.newBuilder().setUrn(getUrn()).setPayload(ByteString.empty()).build(); | ||
| } | ||
|
|
||
| @Override | ||
| public Row toConfigRow(WriteRows transform) { | ||
|
|
||
| Map<String, Object> fieldValues = new HashMap<>(); | ||
|
|
||
| if (transform.getCatalogConfig() != null) { | ||
| fieldValues.put("catalog_config", toByteArray(transform.getCatalogConfig())); | ||
| } | ||
| if (transform.getTableIdentifier() != null) { | ||
| TableIdentifier identifier = transform.getTableIdentifier(); | ||
| List<String> identifierParts = | ||
| Arrays.stream(identifier.namespace().levels()).collect(Collectors.toList()); | ||
| identifierParts.add(identifier.name()); | ||
| fieldValues.put("table_identifier", identifierParts); | ||
| } | ||
| if (transform.getDynamicDestinations() != null) { | ||
| fieldValues.put("dynamic_destinations", toByteArray(transform.getDynamicDestinations())); | ||
| } | ||
|
|
||
| return Row.withSchema(schema).withFieldValues(fieldValues).build(); | ||
| } | ||
|
|
||
| @Override | ||
| public WriteRows fromConfigRow(Row configRow, PipelineOptions options) { | ||
| try { | ||
| IcebergIO.WriteRows.Builder builder = new AutoValue_IcebergIO_WriteRows.Builder(); | ||
|
|
||
| byte[] catalogBytes = configRow.getBytes("catalog_config"); | ||
| if (catalogBytes != null) { | ||
| builder = builder.setCatalogConfig((IcebergCatalogConfig) fromByteArray(catalogBytes)); | ||
| } | ||
| Collection<String> tableIdentifierParts = configRow.getArray("table_identifier"); | ||
| if (tableIdentifierParts != null) { | ||
| builder = | ||
| builder.setTableIdentifier( | ||
| TableIdentifier.parse(String.join(".", tableIdentifierParts))); | ||
| } | ||
| byte[] dynamicDestinationsBytes = configRow.getBytes("dynamic_destinations"); | ||
| if (dynamicDestinationsBytes != null) { | ||
| builder = | ||
| builder.setDynamicDestinations( | ||
| (DynamicDestinations) fromByteArray(dynamicDestinationsBytes)); | ||
| } | ||
| return builder.build(); | ||
| } catch (InvalidClassException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| @AutoService(TransformPayloadTranslatorRegistrar.class) | ||
| public static class WriteRegistrar implements TransformPayloadTranslatorRegistrar { | ||
| @Override | ||
| @SuppressWarnings({ | ||
| "rawtypes", | ||
| }) | ||
| public Map<? extends Class<? extends PTransform>, ? extends TransformPayloadTranslator> | ||
| getTransformPayloadTranslators() { | ||
| return ImmutableMap.<Class<? extends PTransform>, TransformPayloadTranslator>builder() | ||
| .put(AutoValue_IcebergIO_WriteRows.class, new IcebergIOWriteTranslator()) | ||
| .build(); | ||
| } | ||
| } | ||
| } |
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