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[HUDI-1647] Supports snapshot read for Flink #2613
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84 changes: 84 additions & 0 deletions
84
hudi-flink/src/main/java/org/apache/hudi/factory/HoodieTableFactory.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.hudi.factory; | ||
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| import org.apache.hudi.operator.FlinkOptions; | ||
| import org.apache.hudi.sink.HoodieTableSink; | ||
| import org.apache.hudi.source.HoodieTableSource; | ||
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| import org.apache.flink.configuration.Configuration; | ||
| import org.apache.flink.core.fs.Path; | ||
| import org.apache.flink.table.api.ValidationException; | ||
| import org.apache.flink.table.data.RowData; | ||
| import org.apache.flink.table.factories.FactoryUtil; | ||
| import org.apache.flink.table.factories.TableSinkFactory; | ||
| import org.apache.flink.table.factories.TableSourceFactory; | ||
| import org.apache.flink.table.sinks.TableSink; | ||
| import org.apache.flink.table.sources.TableSource; | ||
| import org.apache.flink.table.utils.TableSchemaUtils; | ||
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| import java.util.Collections; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
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||
| /** | ||
| * Hoodie data source/sink factory. | ||
| */ | ||
| public class HoodieTableFactory implements TableSourceFactory<RowData>, TableSinkFactory<RowData> { | ||
| public static final String FACTORY_ID = "hudi"; | ||
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| @Override | ||
| public TableSource<RowData> createTableSource(TableSourceFactory.Context context) { | ||
| Configuration conf = FlinkOptions.fromMap(context.getTable().getOptions()); | ||
| conf.setString(FlinkOptions.TABLE_NAME.key(), context.getObjectIdentifier().getObjectName()); | ||
| conf.setString(FlinkOptions.PARTITION_PATH_FIELD, String.join(",", context.getTable().getPartitionKeys())); | ||
| Path path = new Path(conf.getOptional(FlinkOptions.PATH).orElseThrow(() -> | ||
| new ValidationException("Option [path] should be not empty."))); | ||
| return new HoodieTableSource( | ||
| TableSchemaUtils.getPhysicalSchema(context.getTable().getSchema()), | ||
| path, | ||
| context.getTable().getPartitionKeys(), | ||
| conf.getString(FlinkOptions.PARTITION_DEFAULT_NAME), | ||
| conf); | ||
| } | ||
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| @Override | ||
| public TableSink<RowData> createTableSink(TableSinkFactory.Context context) { | ||
| Configuration conf = FlinkOptions.fromMap(context.getTable().getOptions()); | ||
| conf.setString(FlinkOptions.TABLE_NAME.key(), context.getObjectIdentifier().getObjectName()); | ||
| conf.setString(FlinkOptions.PARTITION_PATH_FIELD, String.join(",", context.getTable().getPartitionKeys())); | ||
| return new HoodieTableSink(conf, | ||
| TableSchemaUtils.getPhysicalSchema(context.getTable().getSchema()), | ||
| context.isBounded()); | ||
| } | ||
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| @Override | ||
| public Map<String, String> requiredContext() { | ||
| Map<String, String> context = new HashMap<>(); | ||
| context.put(FactoryUtil.CONNECTOR.key(), FACTORY_ID); | ||
| return context; | ||
| } | ||
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| @Override | ||
| public List<String> supportedProperties() { | ||
| // contains format properties. | ||
| return Collections.singletonList("*"); | ||
| } | ||
| } |
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can we link the String to
HoodieTableType?There was a problem hiding this comment.
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No, i think a constant here is more easy to use.