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HoodieFlinkTable.java
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HoodieFlinkTable.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.hudi.table;
import org.apache.hudi.client.WriteStatus;
import org.apache.hudi.client.common.HoodieFlinkEngineContext;
import org.apache.hudi.common.data.HoodieData;
import org.apache.hudi.common.engine.HoodieEngineContext;
import org.apache.hudi.common.model.HoodieKey;
import org.apache.hudi.common.model.HoodieRecord;
import org.apache.hudi.common.model.HoodieRecordPayload;
import org.apache.hudi.common.table.HoodieTableMetaClient;
import org.apache.hudi.common.table.timeline.versioning.TimelineLayoutVersion;
import org.apache.hudi.common.util.Option;
import org.apache.hudi.config.HoodieWriteConfig;
import org.apache.hudi.exception.HoodieException;
import org.apache.hudi.index.FlinkHoodieIndexFactory;
import org.apache.hudi.index.HoodieIndex;
import org.apache.hudi.metadata.FlinkHoodieBackedTableMetadataWriter;
import org.apache.hudi.metadata.HoodieTableMetadataWriter;
import org.apache.hudi.table.action.HoodieWriteMetadata;
import org.apache.avro.specific.SpecificRecordBase;
import java.util.List;
import static org.apache.hudi.common.data.HoodieList.getList;
public abstract class HoodieFlinkTable<T extends HoodieRecordPayload>
extends HoodieTable<T, List<HoodieRecord<T>>, List<HoodieKey>, List<WriteStatus>>
implements ExplicitWriteHandleTable<T> {
protected HoodieFlinkTable(HoodieWriteConfig config, HoodieEngineContext context, HoodieTableMetaClient metaClient) {
super(config, context, metaClient);
}
public static <T extends HoodieRecordPayload> HoodieFlinkTable<T> create(HoodieWriteConfig config, HoodieFlinkEngineContext context) {
HoodieTableMetaClient metaClient =
HoodieTableMetaClient.builder().setConf(context.getHadoopConf().get()).setBasePath(config.getBasePath())
.setLoadActiveTimelineOnLoad(true).setConsistencyGuardConfig(config.getConsistencyGuardConfig())
.setLayoutVersion(Option.of(new TimelineLayoutVersion(config.getTimelineLayoutVersion())))
.setFileSystemRetryConfig(config.getFileSystemRetryConfig()).build();
return HoodieFlinkTable.create(config, context, metaClient);
}
public static <T extends HoodieRecordPayload> HoodieFlinkTable<T> create(HoodieWriteConfig config,
HoodieFlinkEngineContext context,
HoodieTableMetaClient metaClient) {
final HoodieFlinkTable<T> hoodieFlinkTable;
switch (metaClient.getTableType()) {
case COPY_ON_WRITE:
hoodieFlinkTable = new HoodieFlinkCopyOnWriteTable<>(config, context, metaClient);
break;
case MERGE_ON_READ:
hoodieFlinkTable = new HoodieFlinkMergeOnReadTable<>(config, context, metaClient);
break;
default:
throw new HoodieException("Unsupported table type :" + metaClient.getTableType());
}
return hoodieFlinkTable;
}
public static HoodieWriteMetadata<List<WriteStatus>> convertMetadata(
HoodieWriteMetadata<HoodieData<WriteStatus>> metadata) {
return metadata.clone(getList(metadata.getWriteStatuses()));
}
@Override
protected HoodieIndex getIndex(HoodieWriteConfig config, HoodieEngineContext context) {
return FlinkHoodieIndexFactory.createIndex((HoodieFlinkEngineContext) context, config);
}
/**
* Fetch instance of {@link HoodieTableMetadataWriter}.
*
* @return instance of {@link HoodieTableMetadataWriter}
*/
@Override
public <T extends SpecificRecordBase> Option<HoodieTableMetadataWriter> getMetadataWriter(String triggeringInstantTimestamp,
Option<T> actionMetadata) {
if (config.isMetadataTableEnabled()) {
return Option.of(FlinkHoodieBackedTableMetadataWriter.create(context.getHadoopConf().get(), config,
context, actionMetadata, Option.of(triggeringInstantTimestamp)));
} else {
return Option.empty();
}
}
}