[ISSUE #4458] Support MySQL Sink Connector feature

eventmesh-connectors/eventmesh-connector-jdbc/build.gradle

@@ -36,11 +36,14 @@ packageSources {
 dependencies {
     antlr("org.antlr:antlr4:4.13.0")
     implementation 'org.antlr:antlr4-runtime:4.13.0'
+    implementation 'com.alibaba:druid:1.2.20'
+    implementation 'org.hibernate:hibernate-core:5.6.15.Final'
     implementation project(":eventmesh-common")
     implementation project(":eventmesh-openconnect:eventmesh-openconnect-java")
     implementation project(":eventmesh-spi")
     implementation 'com.zendesk:mysql-binlog-connector-java:0.28.0'
     implementation 'mysql:mysql-connector-java:8.0.32'
+
     compileOnly 'org.projectlombok:lombok'
     annotationProcessor 'org.projectlombok:lombok'
 

eventmesh-connectors/eventmesh-connector-jdbc/src/main/java/org/apache/eventmesh/connector/jdbc/CatalogChanges.java

@@ -25,11 +25,13 @@
 import java.util.List;
 
 import lombok.Data;
+import lombok.NoArgsConstructor;
 
-@Data
 /**
  * Represents changes in a catalog, such as schema or table modifications.
  */
+@Data
+@NoArgsConstructor
 public class CatalogChanges {
 
     /**
@@ -52,10 +54,10 @@ public class CatalogChanges {
     // The table associated with the changes
     private Table table;
     // The list of columns affected by the changes
-    private List<? extends Column> columns;
+    private List<? extends Column<?>> columns;
 
     private CatalogChanges(String type, String operationType, CatalogSchema catalog, Table table,
-        List<? extends Column> columns) {
+        List<? extends Column<?>> columns) {
         this.type = type;
         this.operationType = operationType;
         this.catalog = catalog;
@@ -81,7 +83,7 @@ public static class Builder {
         private String operationType;
         private CatalogSchema catalog;
         private Table table;
-        private List<? extends Column> columns;
+        private List<? extends Column<?>> columns;
 
         /**
          * Sets the operation type for the change.
@@ -123,7 +125,7 @@ public Builder table(Table table) {
          * @param columns The list of Column instances.
          * @return The Builder instance.
          */
-        public Builder columns(List<? extends Column> columns) {
+        public Builder columns(List<? extends Column<?>> columns) {
             this.columns = columns;
             return this;
         }

eventmesh-connectors/eventmesh-connector-jdbc/src/main/java/org/apache/eventmesh/connector/jdbc/DataChanges.java

@@ -18,52 +18,107 @@
 package org.apache.eventmesh.connector.jdbc;
 
 import lombok.Data;
+import lombok.NoArgsConstructor;
 
 @Data
+@NoArgsConstructor
+/**
+ * DataChanges class representing changes in data associated with a JDBC connection.
+ */
 public class DataChanges {
 
     private Object after;
 
     private Object before;
 
+    /**
+     * The type of change.
+     * <pr>
+     * {@link org.apache.eventmesh.connector.jdbc.event.DataChangeEventType}
+     * </pr>
+     */
     private String type;
 
+    /**
+     * Constructs a DataChanges instance with 'after' and 'before' data.
+     *
+     * @param after  The data after the change.
+     * @param before The data before the change.
+     */
     public DataChanges(Object after, Object before) {
         this.after = after;
         this.before = before;
     }
 
+    /**
+     * Constructs a DataChanges instance with 'after', 'before' data, and a change type.
+     *
+     * @param after  The data after the change.
+     * @param before The data before the change.
+     * @param type   The type of change.
+     */
     public DataChanges(Object after, Object before, String type) {
         this.after = after;
         this.before = before;
         this.type = type;
     }
 
+    /**
+     * Creates a new DataChanges builder.
+     *
+     * @return The DataChanges builder.
+     */
     public static Builder newBuilder() {
         return new Builder();
     }
 
+    /**
+     * Builder class for constructing DataChanges instances.
+     */
     public static class Builder {
 
         private String type;
         private Object after;
         private Object before;
 
+        /**
+         * Sets the change type in the builder.
+         *
+         * @param type The type of change.
+         * @return The DataChanges builder.
+         */
         public Builder withType(String type) {
             this.type = type;
             return this;
         }
 
+        /**
+         * Sets the 'after' data in the builder.
+         *
+         * @param after The data after the change.
+         * @return The DataChanges builder.
+         */
         public Builder withAfter(Object after) {
             this.after = after;
             return this;
         }
 
+        /**
+         * Sets the 'before' data in the builder.
+         *
+         * @param before The data before the change.
+         * @return The DataChanges builder.
+         */
         public Builder withBefore(Object before) {
             this.before = before;
             return this;
         }
 
+        /**
+         * Builds the DataChanges instance.
+         *
+         * @return The constructed DataChanges.
+         */
         public DataChanges build() {
             return new DataChanges(after, before, type);
         }

eventmesh-connectors/eventmesh-connector-jdbc/src/main/java/org/apache/eventmesh/connector/jdbc/Field.java

@@ -17,6 +17,8 @@
 
 package org.apache.eventmesh.connector.jdbc;
 
+import org.apache.eventmesh.connector.jdbc.table.catalog.Column;
+
 import java.util.List;
 
 import lombok.AllArgsConstructor;
@@ -28,25 +30,25 @@
 @AllArgsConstructor
 public class Field {
 
-    private String type;
-
     private boolean required;
 
     private String field;
 
     private String name;
 
+    private Column<?> column;
+
     private List<Field> fields;
 
-    public Field(String type, boolean required, String field, String name) {
-        this.type = type;
+    public Field(Column<?> column, boolean required, String field, String name) {
+        this.column = column;
         this.required = required;
         this.field = field;
         this.name = name;
     }
 
-    public Field withType(String type) {
-        this.type = type;
+    public Field withColumn(Column<?> column) {
+        this.column = column;
         return this;
     }
 

eventmesh-connectors/eventmesh-connector-jdbc/src/main/java/org/apache/eventmesh/connector/jdbc/JdbcConnectData.java

@@ -17,17 +17,26 @@
 
 package org.apache.eventmesh.connector.jdbc;
 
+/**
+ * Represents data associated with a JDBC connector.
+ */
 public final class JdbcConnectData {
 
+    /**
+     * Constant representing data changes in the JDBC connector.
+     */
     public static final byte DATA_CHANGES = 1;
 
+    /**
+     * Constant representing schema changes in the JDBC connector.
+     */
     public static final byte SCHEMA_CHANGES = 1 << 1;
 
     private Payload payload = new Payload();
 
     private Schema schema;
 
-    private byte type;
+    private byte type = 0;
 
     public JdbcConnectData() {
     }
@@ -67,4 +76,12 @@ public void markDataChanges() {
     public void markSchemaChanges() {
         this.type |= SCHEMA_CHANGES;
     }
+
+    public boolean isDataChanges() {
+        return (this.type & DATA_CHANGES) != 0;
+    }
+
+    public boolean isSchemaChanges() {
+        return (this.type & SCHEMA_CHANGES) != 0;
+    }
 }