| /* |
| * 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.index.state; |
| |
| 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.HoodieRecord; |
| import org.apache.hudi.config.HoodieWriteConfig; |
| import org.apache.hudi.exception.HoodieIndexException; |
| import org.apache.hudi.index.HoodieIndex; |
| import org.apache.hudi.table.HoodieTable; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.List; |
| |
| /** |
| * Hoodie index implementation backed by flink state. |
| */ |
| public class FlinkInMemoryStateIndex extends HoodieIndex<List<HoodieRecord>, List<WriteStatus>> { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(FlinkInMemoryStateIndex.class); |
| |
| public FlinkInMemoryStateIndex(HoodieFlinkEngineContext context, HoodieWriteConfig config) { |
| super(config); |
| } |
| |
| @Override |
| public <R> HoodieData<HoodieRecord<R>> tagLocation( |
| HoodieData<HoodieRecord<R>> records, HoodieEngineContext context, |
| HoodieTable hoodieTable) throws HoodieIndexException { |
| throw new UnsupportedOperationException("No need to tag location for FlinkInMemoryStateIndex"); |
| } |
| |
| @Override |
| public HoodieData<WriteStatus> updateLocation( |
| HoodieData<WriteStatus> writeStatuses, HoodieEngineContext context, |
| HoodieTable hoodieTable) throws HoodieIndexException { |
| throw new UnsupportedOperationException("No need to update location for FlinkInMemoryStateIndex"); |
| } |
| |
| @Override |
| public boolean rollbackCommit(String instantTime) { |
| return true; |
| } |
| |
| /** |
| * Only looks up by recordKey. |
| */ |
| @Override |
| public boolean isGlobal() { |
| return true; |
| } |
| |
| @Override |
| public boolean canIndexLogFiles() { |
| return true; |
| } |
| |
| /** |
| * Index needs to be explicitly updated after storage write. |
| */ |
| @Override |
| public boolean isImplicitWithStorage() { |
| return true; |
| } |
| } |