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[Enhancement] Refactor the input record serializer for new sink api (#…
…307) Signed-off-by: PengFei Li <[email protected]>
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42 changes: 42 additions & 0 deletions
42
src/main/java/com/starrocks/connector/flink/table/sink/v2/RecordSerializer.java
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| /* | ||
| * Copyright 2021-present StarRocks, Inc. All rights reserved. | ||
| * | ||
| * 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 com.starrocks.connector.flink.table.sink.v2; | ||
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| import com.starrocks.connector.flink.table.data.StarRocksRowData; | ||
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| import java.io.Serializable; | ||
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| /** | ||
| * Interface for the input record serialization. | ||
| * | ||
| * @param <T> the type of input record being serialized | ||
| */ | ||
| public interface RecordSerializer<T> extends Serializable { | ||
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| /** Open the serializer. */ | ||
| void open(); | ||
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| /** Serialize the input record. */ | ||
| StarRocksRowData serialize(T record); | ||
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| /** Close the serializer */ | ||
| void close(); | ||
| } |
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src/main/java/com/starrocks/connector/flink/table/sink/v2/RowDataSerializer.java
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| /* | ||
| * Copyright 2021-present StarRocks, Inc. All rights reserved. | ||
| * | ||
| * 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 com.starrocks.connector.flink.table.sink.v2; | ||
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| import org.apache.flink.table.data.RowData; | ||
| import org.apache.flink.types.RowKind; | ||
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| import com.starrocks.connector.flink.row.sink.StarRocksIRowTransformer; | ||
| import com.starrocks.connector.flink.row.sink.StarRocksISerializer; | ||
| import com.starrocks.connector.flink.table.data.DefaultStarRocksRowData; | ||
| import com.starrocks.connector.flink.table.data.StarRocksRowData; | ||
| import com.starrocks.connector.flink.tools.JsonWrapper; | ||
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| /** Serializer for the {@link RowData} record. */ | ||
| public class RowDataSerializer implements RecordSerializer<RowData> { | ||
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| private static final long serialVersionUID = 1L; | ||
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| private final String databaseName; | ||
| private final String tableName; | ||
| boolean supportUpsertDelete; | ||
| boolean ignoreUpdateBefore; | ||
| private final StarRocksISerializer serializer; | ||
| private final StarRocksIRowTransformer<RowData> rowTransformer; | ||
| private transient DefaultStarRocksRowData reusableRowData; | ||
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| public RowDataSerializer( | ||
| String databaseName, | ||
| String tableName, | ||
| boolean supportUpsertDelete, | ||
| boolean ignoreUpdateBefore, | ||
| StarRocksISerializer serializer, | ||
| StarRocksIRowTransformer<RowData> rowTransformer) { | ||
| this.databaseName = databaseName; | ||
| this.tableName = tableName; | ||
| this.supportUpsertDelete = supportUpsertDelete; | ||
| this.ignoreUpdateBefore = ignoreUpdateBefore; | ||
| this.serializer = serializer; | ||
| this.rowTransformer = rowTransformer; | ||
| } | ||
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| @Override | ||
| public void open() { | ||
| JsonWrapper jsonWrapper = new JsonWrapper(); | ||
| this.serializer.open(new StarRocksISerializer.SerializerContext(jsonWrapper)); | ||
| this.rowTransformer.setRuntimeContext(null); | ||
| this.rowTransformer.setFastJsonWrapper(jsonWrapper); | ||
| this.reusableRowData = new DefaultStarRocksRowData(); | ||
| reusableRowData.setDatabase(databaseName); | ||
| reusableRowData.setTable(tableName); | ||
| } | ||
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| @Override | ||
| public StarRocksRowData serialize(RowData record) { | ||
| if (RowKind.UPDATE_BEFORE.equals(record.getRowKind()) && | ||
| (!supportUpsertDelete || ignoreUpdateBefore)) { | ||
| return null; | ||
| } | ||
| if (!supportUpsertDelete && RowKind.DELETE.equals(record.getRowKind())) { | ||
| // let go the UPDATE_AFTER and INSERT rows for tables who have a group of `unique` or `duplicate` keys. | ||
| return null; | ||
| } | ||
| String serializedRow = serializer.serialize(rowTransformer.transform(record, supportUpsertDelete)); | ||
| reusableRowData.setRow(serializedRow); | ||
| return reusableRowData; | ||
| } | ||
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| @Override | ||
| public void close() { | ||
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| } | ||
| } |
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