初始化

.gitignore

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+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>com.muyu</groupId>
+        <artifactId>cloud-common</artifactId>
+        <version>3.6.3</version>
+    </parent>
+    <artifactId>cloud-common-etl</artifactId>
+    <version>1.0.0</version>
+    <description>
+        cloud-common-etl
+    </description>
+    <properties>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+    <dependencies>
+        <dependency>
+            <groupId>com.muyu</groupId>
+            <artifactId>cloud-common-core</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
+
+</project>

src/main/java/com/muyu/etl/basic/DataValueBasic.java

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+package com.muyu.etl.basic;
+
+import com.muyu.etl.domain.DataValue;
+
+public interface DataValueBasic extends TaskBasic{
+
+    /**
+     * 数据值
+     * @return 返回查询的数据值
+     */
+    public DataValue getDataStructure();
+
+    /**
+     * 数据记录
+     * @return 数据记录
+     */
+    public DataValue[] getRow();
+
+    /**
+     * 数据集
+     * @return 数据集
+     */
+    public DataValue[][] getRows();
+}

src/main/java/com/muyu/etl/basic/TaskBasic.java

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+package com.muyu.etl.basic;
+
+import com.muyu.etl.scope.TaskScopeBasic;
+import com.muyu.etl.scope.TaskScopeConfig;
+
+public interface TaskBasic {
+
+    public default TaskScopeConfig getScopeConfig(){
+        return TaskScopeBasic.get();
+    }
+}

src/main/java/com/muyu/etl/domain/DataValue.java

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+package com.muyu.etl.domain;
+
+import com.muyu.etl.enums.DataType;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+public class DataValue {
+    /**
+     * 字段名
+     */
+    private String key;
+    /**
+     * 字段类型
+     */
+    private DataType type;
+    /**
+     * 描述
+     */
+    private String label;
+    /**
+     * 值
+     */
+    private Object value;
+}

src/main/java/com/muyu/etl/enums/DataType.java

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+package com.muyu.etl.enums;
+
+import java.math.BigDecimal;
+import java.util.Date;
+
+/**
+ * @Author：zhangzhihao
+ * @name：DataType
+ * @Date：2024/8/28 18:38
+ * 不准抄代码，添加注释，清楚每一行代码意思
+ */
+public enum DataType {
+    VARCHAR("varchar",String.class,"String"),
+    BIGINT("bigint", Long.class,"Long"),
+    INT("int", Integer.class,"Integer"),
+    DECIMAL("decimal", BigDecimal.class,"BigDecimal"),
+    DATETIME("datetime", Date.class,"Date"),
+    TEXT("text", String.class,"String"),
+    DOUBLE("double", Double.class,"Double");
+
+    private final String sourceType;
+
+    private final Class<?> targetType;
+
+    private final String javaType;
+
+    public String getSourceType() {
+        return sourceType;
+    }
+
+    public Class<?> getTargetType() {
+        return targetType;
+    }
+
+    public String getJavaType() {
+        return javaType;
+    }
+
+
+    public static Class convertType(String type){
+        for (DataType dataType : DataType.values()) {
+            if (dataType.sourceType.equalsIgnoreCase(type)){
+                return dataType.targetType;
+            }
+        }
+        return String.class;
+    }
+
+    public static DataType findBySqlType(String sqlType){
+        for (DataType dataType : DataType.values()) {
+            if (dataType.getSourceType().equalsIgnoreCase(sqlType)){
+                return dataType;
+            }
+        }
+        return VARCHAR;
+    }
+
+    public static String convertTypeString(String type){
+
+        for (DataType dataType : DataType.values()) {
+            if (dataType.sourceType.equalsIgnoreCase(type)){
+                return dataType.javaType;
+            }
+        }
+        return "String";
+    }
+
+    DataType(String sourceType, Class<?> targetType, String javaType) {
+        this.sourceType = sourceType;
+        this.targetType = targetType;
+        this.javaType = javaType;
+    }
+}

src/main/java/com/muyu/etl/scope/TaskScopeBasic.java

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+package com.muyu.etl.scope;
+
+public class TaskScopeBasic {
+
+    private static final ThreadLocal<TaskScopeConfig> localScope = new ThreadLocal<>();
+
+    public static void set(final TaskScopeConfig handler) {
+        localScope.set(handler);
+    }
+
+    public static TaskScopeConfig  get() {
+        return localScope.get();
+    }
+
+    public static void remove(){
+        localScope.remove();
+    }
+}

src/main/java/com/muyu/etl/scope/TaskScopeConfig.java

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+package com.muyu.etl.scope;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.concurrent.LinkedBlockingDeque;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class TaskScopeConfig {
+
+    /**
+     * 任務ID
+     */
+    private String taskId;
+
+
+    private LinkedBlockingDeque taskNodeQueue = new LinkedBlockingDeque();
+
+    public void addTaskNode(Object obj){
+        this.taskNodeQueue.add(obj);
+    }
+
+    public boolean hashTaskNodeNext(){
+        return !taskNodeQueue.isEmpty();
+    }
+
+    private <T> T nextTaskNode(){
+        return (T) taskNodeQueue.poll();
+    }
+
+}