[BI-01] 大数据分析系统 - 数据中心模块实现

src/main/java/com/water/BiApplication.java

+package com.water;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class BiApplication {
+    public static void main(String[] args) {
+        SpringApplication.run(BiApplication.class, args);
+    }
+}

src/main/java/com/water/bi/config/BIConfig.java

+package com.water.bi.config;
+
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class BIConfig {
+    
+    // BI系统配置常量
+    public static final String DATA_CENTER_MODULE = "BI-01";
+    public static final String DATA_ANALYSIS_MODULE = "BI-02";
+    public static final String DATA_VISUALIZATION_MODULE = "BI-03";
+    public static final String DECISION_SUPPORT_MODULE = "BI-04";
+    public static final String REPORT_GENERATION_MODULE = "BI-05";
+    public static final String DATA_MONITORING_MODULE = "BI-06";
+}

src/main/java/com/water/bi/controller/BIRestController.java

+package com.water.bi.controller;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/api/bi")
+public class BIRestController {
+
+    @GetMapping("/health")
+    public String health() {
+        return "BI Service is running";
+    }
+}

src/main/java/com/water/bi/dto/ETLTaskDTO.java

+package com.water.bi.dto;
+
+import java.util.Date;
+
+public class ETLTaskDTO {
+    private String name;
+    private String sourceId;
+    private String targetId;
+    private String scheduleType;
+    private Date executeTime;
+    
+    // Getters and Setters
+    public String getName() { return name; }
+    public void setName(String name) { this.name = name; }
+    public String getSourceId() { return sourceId; }
+    public void setSourceId(String sourceId) { this.sourceId = sourceId; }
+    public String getTargetId() { return targetId; }
+    public void setTargetId(String targetId) { this.targetId = targetId; }
+    public String getScheduleType() { return scheduleType; }
+    public void setScheduleType(String scheduleType) { this.scheduleType = scheduleType; }
+    public Date getExecuteTime() { return executeTime; }
+    public void setExecuteTime(Date executeTime) { this.executeTime = executeTime; }
+}

src/main/java/com/water/bi/entity/DataSource.java

+package com.water.bi.entity;
+
+import java.util.Date;
+
+public class DataSource {
+    private String id;
+    private String name;
+    private String type; // database, api, file, iot
+    private String config;
+    private Date createTime;
+    private Date updateTime;
+    
+    // Getters and Setters
+    public String getId() { return id; }
+    public void setId(String id) { this.id = id; }
+    public String getName() { return name; }
+    public void setName(String name) { this.name = name; }
+    public String getType() { return type; }
+    public void setType(String type) { this.type = type; }
+    public String getConfig() { return config; }
+    public void setConfig(String config) { this.config = config; }
+    public Date getCreateTime() { return createTime; }
+    public void setCreateTime(Date createTime) { this.createTime = createTime; }
+    public Date getUpdateTime() { return updateTime; }
+    public void setUpdateTime(Date updateTime) { this.updateTime = updateTime; }
+}

src/main/java/com/water/bi/service/DataCenterService.java

+package com.water.bi.service;
+
+import java.util.List;
+import java.util.Map;
+
+public interface DataCenterService {
+    
+    /**
+     * 获取数据源列表
+     */
+    List<Map<String, Object>> getDataSources();
+    
+    /**
+     * 创建ETL任务
+     */
+    boolean createETLTask(Map<String, Object> taskConfig);
+    
+    /**
+     * 执行ETL任务
+     */
+    boolean executeETLTask(String taskId);
+    
+    /**
+     * 查询ETL任务状态
+     */
+    Map<String, Object> getETLTaskStatus(String taskId);
+}

src/main/java/com/water/bi/service/impl/DataCenterServiceImpl.java

+package com.water.bi.service.impl;
+
+import com.water.bi.service.DataCenterService;
+import org.springframework.stereotype.Service;
+import java.util.*;
+import java.util.concurrent.ConcurrentHashMap;
+
+@Service
+public class DataCenterServiceImpl implements DataCenterService {
+
+    private final Map<String, Map<String, Object>> etlTasks = new ConcurrentHashMap<>();
+    private final Map<String, Map<String, Object>> dataSources = new ConcurrentHashMap<>();
+
+    @Override
+    public List<Map<String, Object>> getDataSources() {
+        return new ArrayList<>(dataSources.values());
+    }
+
+    @Override
+    public boolean createETLTask(Map<String, Object> taskConfig) {
+        String taskId = UUID.randomUUID().toString();
+        taskConfig.put("taskId", taskId);
+        taskConfig.put("status", "CREATED");
+        taskConfig.put("createTime", new Date());
+        etlTasks.put(taskId, taskConfig);
+        return true;
+    }
+
+    @Override
+    public boolean executeETLTask(String taskId) {
+        if (!etlTasks.containsKey(taskId)) {
+            return false;
+        }
+        Map<String, Object> task = etlTasks.get(taskId);
+        task.put("status", "RUNNING");
+        task.put("startTime", new Date());
+        return true;
+    }
+
+    @Override
+    public Map<String, Object> getETLTaskStatus(String taskId) {
+        return etlTasks.getOrDefault(taskId, Collections.emptyMap());
+    }
+}

src/main/resources/application-bi.yml

+spring:
+  application:
+    name: water-bi-service
+  datasource:
+    url: jdbc:postgresql://localhost:5432/water_bi
+    username: postgres
+    password: postgres
+    driver-class-name: org.postgresql.Driver
+  redis:
+    host: localhost
+    port: 6379
+
+management:
+  endpoints:
+    web:
+      exposure:
+        include: health,info,metrics
+
+logging:
+  level:
+    com.water.bi: DEBUG