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[INLONG-10069][Sort] Support audit metrics for sort-connector-pulsar-…
…1.18 (#10070)
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...ain/java/org/apache/inlong/sort/pulsar/table/source/PulsarTableDeserializationSchema.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. | ||
| */ | ||
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| package org.apache.inlong.sort.pulsar.table.source; | ||
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| import org.apache.inlong.sort.base.metric.MetricOption; | ||
| import org.apache.inlong.sort.base.metric.MetricsCollector; | ||
| import org.apache.inlong.sort.base.metric.SourceMetricData; | ||
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| import org.apache.flink.api.common.functions.util.ListCollector; | ||
| import org.apache.flink.api.common.serialization.DeserializationSchema; | ||
| import org.apache.flink.api.common.typeinfo.TypeInformation; | ||
| import org.apache.flink.connector.pulsar.source.config.SourceConfiguration; | ||
| import org.apache.flink.connector.pulsar.source.reader.deserializer.PulsarDeserializationSchema; | ||
| import org.apache.flink.connector.pulsar.table.source.PulsarRowDataConverter; | ||
| import org.apache.flink.table.data.RowData; | ||
| import org.apache.flink.util.Collector; | ||
| import org.apache.pulsar.client.api.Message; | ||
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| import javax.annotation.Nullable; | ||
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| import java.io.IOException; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
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| import static org.apache.flink.util.Preconditions.checkNotNull; | ||
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| /** | ||
| * A specific {@link PulsarDeserializationSchema} for {@link PulsarTableSource}. | ||
| * | ||
| * <p>Both Flink's key decoding format and value decoding format are wrapped in this class. It is | ||
| * responsible for getting metadata fields from a physical pulsar message body, and the final | ||
| * projection mapping from Pulsar message fields to Flink row. | ||
| * | ||
| * <p>After retrieving key and value bytes and convert them into a list of {@link RowData}, it then | ||
| * delegates metadata appending, key and value {@link RowData} combining to a {@link | ||
| * PulsarRowDataConverter} instance. | ||
| * Modify from {@link org.apache.flink.connector.pulsar.table.source.PulsarTableDeserializationSchema} | ||
| */ | ||
| public class PulsarTableDeserializationSchema implements PulsarDeserializationSchema<RowData> { | ||
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| private static final long serialVersionUID = 1L; | ||
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| private final TypeInformation<RowData> producedTypeInfo; | ||
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| @Nullable | ||
| private final DeserializationSchema<RowData> keyDeserialization; | ||
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| private final DeserializationSchema<RowData> valueDeserialization; | ||
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| private final PulsarRowDataConverter rowDataConverter; | ||
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| private final boolean upsertMode; | ||
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| private SourceMetricData sourceMetricData; | ||
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| private MetricOption metricOption; | ||
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| public PulsarTableDeserializationSchema( | ||
| @Nullable DeserializationSchema<RowData> keyDeserialization, | ||
| DeserializationSchema<RowData> valueDeserialization, | ||
| TypeInformation<RowData> producedTypeInfo, | ||
| PulsarRowDataConverter rowDataConverter, | ||
| boolean upsertMode, | ||
| MetricOption metricOption) { | ||
| if (upsertMode) { | ||
| checkNotNull(keyDeserialization, "upsert mode must specify a key format"); | ||
| } | ||
| this.keyDeserialization = keyDeserialization; | ||
| this.valueDeserialization = checkNotNull(valueDeserialization); | ||
| this.rowDataConverter = checkNotNull(rowDataConverter); | ||
| this.producedTypeInfo = checkNotNull(producedTypeInfo); | ||
| this.upsertMode = upsertMode; | ||
| this.metricOption = metricOption; | ||
| } | ||
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| @Override | ||
| public void open(PulsarInitializationContext context, SourceConfiguration configuration) | ||
| throws Exception { | ||
| if (keyDeserialization != null) { | ||
| keyDeserialization.open(context); | ||
| } | ||
| if (metricOption != null) { | ||
| sourceMetricData = new SourceMetricData(metricOption); | ||
| } | ||
| valueDeserialization.open(context); | ||
| } | ||
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| @Override | ||
| public void deserialize(Message<byte[]> message, Collector<RowData> collector) | ||
| throws IOException { | ||
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| // Get the key row data | ||
| List<RowData> keyRowData = new ArrayList<>(); | ||
| if (keyDeserialization != null) { | ||
| keyDeserialization.deserialize(message.getKeyBytes(), new ListCollector<>(keyRowData)); | ||
| } | ||
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| // Get the value row data | ||
| List<RowData> valueRowData = new ArrayList<>(); | ||
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| if (upsertMode && message.getData().length == 0) { | ||
| rowDataConverter.projectToRowWithNullValueRow(message, keyRowData, collector); | ||
| return; | ||
| } | ||
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| valueDeserialization.deserialize(message.getData(), | ||
| new MetricsCollector<>(new ListCollector<>(valueRowData), sourceMetricData)); | ||
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| rowDataConverter.projectToProducedRowAndCollect( | ||
| message, keyRowData, valueRowData, collector); | ||
| } | ||
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| @Override | ||
| public TypeInformation<RowData> getProducedType() { | ||
| return producedTypeInfo; | ||
| } | ||
| } |
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