feat:kafka sync 支持canal-json

chunjun-connectors/chunjun-connector-jdbc-base/src/main/java/com/dtstack/chunjun/connector/jdbc/sink/JdbcOutputFormat.java

@@ -120,7 +120,7 @@ public void buildStatementWrapper() throws SQLException {
             // restoration
             statementWrapper = new RestoreWrapperProxy(dbConn, jdbcDialect, false);
         } else {
-            if (useAbstractColumn || CollectionUtils.isEmpty(jdbcConfig.getUniqueKey())) {
+            if (CollectionUtils.isEmpty(jdbcConfig.getUniqueKey())) {
                 // sync or sql appendOnly
                 FieldNamedPreparedStatement fieldNamedPreparedStatement =
                         FieldNamedPreparedStatement.prepareStatement(
@@ -131,12 +131,12 @@ public void buildStatementWrapper() throws SQLException {
                         new SimpleStatementWrapper(fieldNamedPreparedStatement, rowConverter);
             } else {
                 // sql retract
-                buildRetractStatementExecutor();
+                buildRetractStatementExecutor(useAbstractColumn);
             }
         }
     }
 
-    private void buildRetractStatementExecutor() throws SQLException {
+    private void buildRetractStatementExecutor(boolean useAbstractColumn) throws SQLException {
         SimpleStatementWrapper deleteExecutor =
                 new SimpleStatementWrapper(
                         FieldNamedPreparedStatement.prepareStatement(
@@ -164,7 +164,10 @@ private void buildRetractStatementExecutor() throws SQLException {
                         upsertExecutor,
                         deleteExecutor,
                         JdbcUtil.getKeyExtractor(
-                                columnNameList, jdbcConfig.getUniqueKey(), keyRowType, false));
+                                columnNameList,
+                                jdbcConfig.getUniqueKey(),
+                                keyRowType,
+                                useAbstractColumn));
     }
 
     private JdbcBatchStatementWrapper<RowData> getInsertOrUpdateExecutor() throws SQLException {

chunjun-connectors/chunjun-connector-kafka/src/main/java/com/dtstack/chunjun/connector/kafka/converter/KafkaCanalSyncConverter.java

@@ -0,0 +1,160 @@
+/*
+ * 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 com.dtstack.chunjun.connector.kafka.converter;
+
+import com.dtstack.chunjun.config.FieldConfig;
+import com.dtstack.chunjun.config.TypeConfig;
+import com.dtstack.chunjun.connector.kafka.conf.KafkaConfig;
+import com.dtstack.chunjun.element.AbstractBaseColumn;
+import com.dtstack.chunjun.element.ColumnRowData;
+
+import org.apache.flink.table.data.RowData;
+import org.apache.flink.table.types.logical.RowType;
+import org.apache.flink.types.RowKind;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import org.apache.kafka.clients.consumer.ConsumerRecord;
+
+import java.io.IOException;
+import java.util.*;
+import java.util.stream.Collectors;
+
+import static java.lang.String.format;
+
+public class KafkaCanalSyncConverter extends KafkaSyncConverter {
+
+    private static final String FIELD_OLD = "old";
+    private static final String FIELD_TYPE = "type";
+    private static final String FIELD_DATA = "data";
+    private static final String OP_INSERT = "INSERT";
+    private static final String OP_UPDATE = "UPDATE";
+    private static final String OP_DELETE = "DELETE";
+    private static final String OP_CREATE = "CREATE";
+
+    private static final boolean IGNORE_PARSE_ERRORS = false;
+
+    private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
+
+    /** kafka Conf */
+    private final KafkaConfig kafkaConfig;
+
+    public KafkaCanalSyncConverter(RowType rowType, KafkaConfig kafkaConfig) {
+        super(rowType, kafkaConfig);
+        this.commonConfig = this.kafkaConfig = kafkaConfig;
+        List<TypeConfig> typeList =
+                kafkaConfig.getColumn().stream()
+                        .map(FieldConfig::getType)
+                        .collect(Collectors.toList());
+        this.toInternalConverters = new ArrayList<>();
+        for (TypeConfig s : typeList) {
+            toInternalConverters.add(
+                    wrapIntoNullableInternalConverter(createInternalConverter(s.getType())));
+        }
+    }
+
+    @Override
+    public List<RowData> toInternalList(ConsumerRecord<byte[], byte[]> input) throws Exception {
+        List<RowData> rowDataList = new ArrayList<>();
+        JsonNode root = OBJECT_MAPPER.readTree(input.value());
+        String type = root.get(FIELD_TYPE).textValue();
+        ArrayNode data = (ArrayNode) root.get(FIELD_DATA);
+        try {
+            if (OP_INSERT.equals(type)) {
+                fillRowDataList(data, RowKind.INSERT, rowDataList);
+            } else if (OP_UPDATE.equals(type)) {
+                ArrayNode old = (ArrayNode) root.get(FIELD_OLD);
+                fillRowDataList(old, data, rowDataList);
+            } else if (OP_DELETE.equals(type)) {
+                fillRowDataList(data, RowKind.DELETE, rowDataList);
+            } else {
+                if (!IGNORE_PARSE_ERRORS) {
+                    throw new IOException(
+                            format(
+                                    "Unknown \"type\" value \"%s\". The Canal JSON message is '%s'",
+                                    type, new String(input.value())));
+                }
+            }
+        } catch (Throwable t) {
+            // a big try catch to protect the processing.
+            if (!IGNORE_PARSE_ERRORS) {
+                throw new IOException(
+                        format("Corrupt Canal JSON message '%s'.", new String(input.value())), t);
+            }
+        }
+        return rowDataList;
+    }
+
+    private void fillRowDataList(ArrayNode old, ArrayNode data, List<RowData> rowDataList)
+            throws Exception {
+        List<RowData> updateBefore = new ArrayList<>();
+        List<RowData> updateAfter = new ArrayList<>();
+        fillRowDataList(data, RowKind.UPDATE_AFTER, updateAfter);
+        for (int i = 0; i < old.size(); i++) {
+            JsonNode item = old.get(i);
+            ColumnRowData columnRowData = new ColumnRowData(old.size());
+            columnRowData.setRowKind(RowKind.UPDATE_BEFORE);
+            for (int j = 0; j < kafkaConfig.getColumn().size(); j++) {
+                JsonNode field = item.get(kafkaConfig.getColumn().get(j).getName());
+                if (Objects.isNull(field)) {
+                    columnRowData.addField(((ColumnRowData) updateAfter.get(i)).getField(j));
+                } else {
+                    AbstractBaseColumn baseColumn =
+                            (AbstractBaseColumn)
+                                    toInternalConverters
+                                            .get(j)
+                                            .deserialize(
+                                                    item.get(
+                                                                    kafkaConfig
+                                                                            .getColumn()
+                                                                            .get(j)
+                                                                            .getName())
+                                                            .textValue());
+                    columnRowData.addField(
+                            assembleFieldProps(kafkaConfig.getColumn().get(j), baseColumn));
+                }
+            }
+            updateBefore.add(columnRowData);
+        }
+        rowDataList.addAll(updateBefore);
+        rowDataList.addAll(updateAfter);
+    }
+
+    private void fillRowDataList(ArrayNode data, RowKind insert, List<RowData> rowDataList)
+            throws Exception {
+        for (int i = 0; i < data.size(); i++) {
+            JsonNode item = data.get(i);
+            ColumnRowData columnRowData = new ColumnRowData(data.size());
+            columnRowData.setRowKind(insert);
+            for (int j = 0; j < kafkaConfig.getColumn().size(); j++) {
+                AbstractBaseColumn baseColumn =
+                        (AbstractBaseColumn)
+                                toInternalConverters
+                                        .get(j)
+                                        .deserialize(
+                                                item.get(kafkaConfig.getColumn().get(j).getName())
+                                                        .textValue());
+                columnRowData.addField(
+                        assembleFieldProps(kafkaConfig.getColumn().get(j), baseColumn));
+            }
+            rowDataList.add(columnRowData);
+        }
+    }
+}

chunjun-connectors/chunjun-connector-kafka/src/main/java/com/dtstack/chunjun/connector/kafka/serialization/RowDeserializationSchema.java

@@ -30,6 +30,7 @@
 import org.apache.kafka.clients.consumer.ConsumerRecord;
 
 import java.nio.charset.StandardCharsets;
+import java.util.List;
 
 /**
  * Date: 2021/03/04 Company: www.dtstack.com
@@ -45,13 +46,16 @@ public class RowDeserializationSchema extends DynamicKafkaDeserializationSchema
     /** kafka conf */
     private final KafkaConfig kafkaConfig;
 
+    private final boolean isCdc;
+
     public RowDeserializationSchema(
             KafkaConfig kafkaConfig,
-            AbstractRowConverter<ConsumerRecord<byte[], byte[]>, Object, byte[], String>
-                    converter) {
+            AbstractRowConverter<ConsumerRecord<byte[], byte[]>, Object, byte[], String> converter,
+            boolean isCdc) {
         super(1, null, null, null, null, false, null, null, false);
         this.kafkaConfig = kafkaConfig;
         this.converter = converter;
+        this.isCdc = isCdc;
     }
 
     @Override
@@ -69,7 +73,14 @@ public void open(DeserializationSchema.InitializationContext context) {
     public void deserialize(ConsumerRecord<byte[], byte[]> record, Collector<RowData> collector) {
         try {
             beforeDeserialize(record);
-            collector.collect(converter.toInternal(record));
+            if (isCdc) {
+                List<RowData> rowDataList = converter.toInternalList(record);
+                for (RowData rowData : rowDataList) {
+                    collector.collect(rowData);
+                }
+            } else {
+                collector.collect(converter.toInternal(record));
+            }
         } catch (Exception e) {
             String data = null;
             if (record.value() != null) {

chunjun-connectors/chunjun-connector-kafka/src/main/java/com/dtstack/chunjun/connector/kafka/source/KafkaSourceFactory.java

@@ -22,6 +22,7 @@
 import com.dtstack.chunjun.config.SyncConfig;
 import com.dtstack.chunjun.connector.kafka.adapter.StartupModeAdapter;
 import com.dtstack.chunjun.connector.kafka.conf.KafkaConfig;
+import com.dtstack.chunjun.connector.kafka.converter.KafkaCanalSyncConverter;
 import com.dtstack.chunjun.connector.kafka.converter.KafkaRawTypeMapping;
 import com.dtstack.chunjun.connector.kafka.converter.KafkaSyncConverter;
 import com.dtstack.chunjun.connector.kafka.enums.StartupMode;
@@ -117,9 +118,16 @@ public DataStream<RowData> createSource() {
         props.putAll(kafkaConfig.getConsumerSettings());
         RowType rowType =
                 TableUtil.createRowType(kafkaConfig.getColumn(), KafkaRawTypeMapping::apply);
-        DynamicKafkaDeserializationSchema deserializationSchema =
-                new RowDeserializationSchema(
-                        kafkaConfig, new KafkaSyncConverter(rowType, kafkaConfig));
+        DynamicKafkaDeserializationSchema deserializationSchema;
+        if (StringUtils.equalsIgnoreCase(kafkaConfig.getCodec(), "canal-json")) {
+            deserializationSchema =
+                    new RowDeserializationSchema(
+                            kafkaConfig, new KafkaCanalSyncConverter(rowType, kafkaConfig), true);
+        } else {
+            deserializationSchema =
+                    new RowDeserializationSchema(
+                            kafkaConfig, new KafkaSyncConverter(rowType, kafkaConfig), false);
+        }
         KafkaConsumerWrapper consumer =
                 new KafkaConsumerWrapper(topics, deserializationSchema, props);
         switch (kafkaConfig.getMode()) {

chunjun-core/src/main/java/com/dtstack/chunjun/converter/AbstractRowConverter.java

@@ -39,6 +39,7 @@
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
+import java.util.List;
 import java.util.TimeZone;
 
 import static org.apache.flink.util.Preconditions.checkNotNull;
@@ -188,6 +189,10 @@ protected ISerializationConverter<SinkT> wrapIntoNullableExternalConverter(
      */
     public abstract RowData toInternal(SourceT input) throws Exception;
 
+    public List<RowData> toInternalList(SourceT input) throws Exception {
+        throw new RuntimeException("Subclass need rewriting");
+    }
+
     /**
      * @param input input
      * @return RowData