1. 每行读取csv文件（不再一次性读取）

2. 读取后的内容做batch（为后续调用批量接口服务）--实现生产者与消费者

austin-cron/src/main/java/com/java3y/austin/cron/config/AsyncConfiguration.java

@@ -0,0 +1,48 @@
+package com.java3y.austin.cron.config;
+
+import com.google.common.base.Throwables;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.aop.interceptor.AsyncUncaughtExceptionHandler;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.scheduling.annotation.AsyncConfigurer;
+import org.springframework.scheduling.annotation.EnableAsync;
+import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
+
+import java.util.concurrent.Executor;
+import java.util.concurrent.ThreadPoolExecutor;
+
+/**
+ * 处理定时任务的线程池配置信息，为@Async注解服务
+ *
+ * @author 3y
+ */
+@Slf4j
+@Configuration
+@EnableAsync
+public class AsyncConfiguration implements AsyncConfigurer {
+
+    @Bean("austinExecutor")
+    public ThreadPoolTaskExecutor executor() {
+        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
+        executor.setCorePoolSize(10);
+        executor.setMaxPoolSize(10);
+        executor.setQueueCapacity(30);
+        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
+        executor.setThreadNamePrefix("austinAsyncExecutor-");
+        executor.setWaitForTasksToCompleteOnShutdown(true);
+        executor.setAwaitTerminationSeconds(10);
+        executor.initialize();
+        return executor;
+    }
+
+    @Override
+    public Executor getAsyncExecutor() {
+        return executor();
+    }
+
+    @Override
+    public AsyncUncaughtExceptionHandler getAsyncUncaughtExceptionHandler() {
+        return (ex, method, params) -> log.error("austinExecutor execute fail!method:{},params:{},ex:{}", method, params, Throwables.getStackTraceAsString(ex));
+    }
+}

austin-cron/src/main/java/com/java3y/austin/cron/constants/PendingConstant.java

@@ -0,0 +1,31 @@
+package com.java3y.austin.cron.constants;
+
+/**
+ * @author 3y
+ * @date 2022/2/13
+ * 缓冲pending 常量
+ */
+public class PendingConstant {
+
+    /**
+     * 阻塞队列大小
+     */
+    public static final Integer QUEUE_SIZE = 100;
+
+    /**
+     * 触发执行的数量阈值
+     */
+    public static final Integer NUM_THRESHOLD = 100;
+
+    /**
+     * batch 触发执行的时间阈值，单位毫秒【必填】
+     */
+    public static final Long TIME_THRESHOLD = 1000L;
+
+    /**
+     * 消费线程数
+     */
+    public static final Integer THREAD_NUM = 2;
+
+
+}

austin-cron/src/main/java/com/java3y/austin/cron/domain/CrowdInfoVo.java

@@ -24,7 +24,7 @@ public class CrowdInfoVo implements Serializable {
     /**
      * 接收者id
      */
-    private String id;
+    private String receiver;
 
     /**
      * 参数信息

austin-cron/src/main/java/com/java3y/austin/cron/handler/CronTaskHandler.java

@@ -24,9 +24,8 @@ public class CronTaskHandler {
      */
     @XxlJob("austinJob")
     public void execute() {
-        log.info("XXL-JOB, Hello World.");
+        log.info("CronTaskHandler#execute messageTemplateId:{} cron exec!", XxlJobHelper.getJobParam());
         Long messageTemplateId = Long.valueOf(XxlJobHelper.getJobParam());
-
         taskHandler.handle(messageTemplateId);
 
     }

austin-cron/src/main/java/com/java3y/austin/cron/pending/CrowdBatchTaskPending.java

@@ -0,0 +1,39 @@
+package com.java3y.austin.cron.pending;
+
+import com.java3y.austin.cron.domain.CrowdInfoVo;
+import com.java3y.austin.support.pending.BatchPendingThread;
+import com.java3y.austin.support.pending.Pending;
+import com.java3y.austin.support.pending.PendingParam;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Component;
+
+import java.util.List;
+
+/**
+ * 批量处理任务信息
+ *
+ * @author 3y
+ */
+@Component
+@Slf4j
+public class CrowdBatchTaskPending extends Pending<CrowdInfoVo> {
+
+    @Override
+    public void initAndStart(PendingParam pendingParam) {
+        threadNum = pendingParam.getThreadNum() == null ? threadNum : pendingParam.getThreadNum();
+        queue = pendingParam.getQueue();
+
+        for (int i = 0; i < threadNum; ++i) {
+            BatchPendingThread<CrowdInfoVo> batchPendingThread = new BatchPendingThread();
+            batchPendingThread.setPendingParam(pendingParam);
+            batchPendingThread.setName("batchPendingThread-" + i);
+            batchPendingThread.start();
+        }
+    }
+
+    @Override
+    public void doHandle(List<CrowdInfoVo> list) {
+        log.info("theadName:{},doHandle:{}", Thread.currentThread().getName(), list.size());
+
+    }
+}

austin-cron/src/main/java/com/java3y/austin/cron/service/impl/TaskHandlerImpl.java

@@ -2,18 +2,21 @@ package com.java3y.austin.cron.service.impl;
 
 import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.util.StrUtil;
-import com.alibaba.fastjson.JSON;
+import com.java3y.austin.cron.constants.PendingConstant;
 import com.java3y.austin.cron.domain.CrowdInfoVo;
+import com.java3y.austin.cron.pending.CrowdBatchTaskPending;
 import com.java3y.austin.cron.service.TaskHandler;
 import com.java3y.austin.cron.utils.ReadFileUtils;
 import com.java3y.austin.support.dao.MessageTemplateDao;
 import com.java3y.austin.support.domain.MessageTemplate;
+import com.java3y.austin.support.pending.PendingParam;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.scheduling.annotation.Async;
 import org.springframework.stereotype.Service;
 
-import java.util.List;
+import java.util.HashMap;
+import java.util.concurrent.LinkedBlockingQueue;
 
 /**
  * @author 3y
@@ -24,23 +27,42 @@ import java.util.List;
 public class TaskHandlerImpl implements TaskHandler {
     @Autowired
     private MessageTemplateDao messageTemplateDao;
+    @Autowired
+    private CrowdBatchTaskPending crowdBatchTaskPending;
 
 
     @Override
     @Async
     public void handle(Long messageTemplateId) {
+        log.info("start:{}", Thread.currentThread().getName());
+
         MessageTemplate messageTemplate = messageTemplateDao.findById(messageTemplateId).get();
         if (messageTemplate == null || StrUtil.isBlank(messageTemplate.getCronCrowdPath())) {
-            log.error("TaskHandler#handle crowdPath empty!");
+            log.error("TaskHandler#handle crowdPath empty! messageTemplateId:{}", messageTemplateId);
             return;
         }
-        List<CrowdInfoVo> csvRowList = ReadFileUtils.getCsvRowList(messageTemplate.getCronCrowdPath());
 
-        if (CollUtil.isNotEmpty(csvRowList)) {
+        // 初始化pending的信息
+        PendingParam<CrowdInfoVo> pendingParam = new PendingParam<>();
+        pendingParam.setNumThreshold(PendingConstant.NUM_THRESHOLD)
+                .setQueue(new LinkedBlockingQueue(PendingConstant.QUEUE_SIZE))
+                .setTimeThreshold(PendingConstant.TIME_THRESHOLD)
+                .setThreadNum(PendingConstant.THREAD_NUM)
+                .setPending(crowdBatchTaskPending);
+        crowdBatchTaskPending.initAndStart(pendingParam);
 
-        }
+        // 读取文件得到每一行记录给到队列做batch处理
+        ReadFileUtils.getCsvRow(messageTemplate.getCronCrowdPath(), row -> {
+            if (CollUtil.isEmpty(row.getFieldMap())
+                    || StrUtil.isBlank(row.getFieldMap().get(ReadFileUtils.RECEIVER_KEY))) {
+                return;
+            }
+            HashMap<String, String> params = ReadFileUtils.getParamFromLine(row.getFieldMap());
+            CrowdInfoVo crowdInfoVo = CrowdInfoVo.builder().receiver(row.getFieldMap().get(ReadFileUtils.RECEIVER_KEY))
+                    .params(params).build();
+            crowdBatchTaskPending.pending(crowdInfoVo);
+        });
 
-        log.info("csv info:", JSON.toJSONString(csvRowList));
     }
 
 }

austin-cron/src/main/java/com/java3y/austin/cron/utils/ReadFileUtils.java

@@ -2,14 +2,14 @@ package com.java3y.austin.cron.utils;
 
 import cn.hutool.core.io.FileUtil;
 import cn.hutool.core.map.MapUtil;
-import cn.hutool.core.text.csv.CsvData;
-import cn.hutool.core.text.csv.CsvRow;
-import cn.hutool.core.text.csv.CsvUtil;
+import cn.hutool.core.text.csv.*;
 import com.google.common.base.Throwables;
 import com.java3y.austin.cron.domain.CrowdInfoVo;
 import lombok.extern.slf4j.Slf4j;
 
+import java.io.FileReader;
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
@@ -23,7 +23,47 @@ import java.util.Map;
 public class ReadFileUtils {
 
     /**
-     * 读取csv文件
+     * csv文件 存储 接收者 的列名
+     */
+    public static final String RECEIVER_KEY = "userId";
+
+    /**
+     * 读取csv文件，每读取一行都会调用 csvRowHandler 对应的方法
+     *
+     * @param path
+     * @param csvRowHandler
+     */
+    public static void getCsvRow(String path, CsvRowHandler csvRowHandler) {
+        try {
+            // 把首行当做是标题，获取reader
+            CsvReader reader = CsvUtil.getReader(new FileReader(path),
+                    new CsvReadConfig().setContainsHeader(true));
+            reader.read(csvRowHandler);
+        } catch (Exception e) {
+            log.error("ReadFileUtils#getCsvRow fail!{}", Throwables.getStackTraceAsString(e));
+
+        }
+    }
+
+    /**
+     * 从文件的每一行数据获取到params信息
+     * [{key:value},{key:value}]
+     * @param fieldMap
+     * @return
+     */
+    public static HashMap<String, String> getParamFromLine(Map<String, String> fieldMap) {
+        HashMap<String, String> params = MapUtil.newHashMap();
+        for (Map.Entry<String, String> entry : fieldMap.entrySet()) {
+            if (!ReadFileUtils.RECEIVER_KEY.equals(entry.getKey())) {
+                params.put(entry.getKey(), entry.getValue());
+            }
+        }
+        return params;
+    }
+
+
+    /**
+     * 一次性读取csv文件整个内容
      * 1. 获取第一行信息(id,paramsKey1,params2Key2)，第一列默认为接收者Id
      * 2. 把文件信息塞进对象内
      * 3. 把对象返回
@@ -46,12 +86,14 @@ public class ReadFileUtils {
                 for (int j = 1; j < headerInfo.size(); j++) {
                     param.put(headerInfo.get(j), row.get(j));
                 }
-                result.add(CrowdInfoVo.builder().id(row.get(0)).params(param).build());
+                result.add(CrowdInfoVo.builder().receiver(row.get(0)).params(param).build());
             }
 
         } catch (Exception e) {
-            log.error("TaskHandler#getCsvRowList fail!{}", Throwables.getStackTraceAsString(e));
+            log.error("ReadFileUtils#getCsvRowList fail!{}", Throwables.getStackTraceAsString(e));
         }
         return result;
     }
+
+
 }

austin-handler/src/main/java/com/java3y/austin/handler/pending/Task.java

@@ -44,7 +44,7 @@ public class Task implements Runnable {
             return;
         }
 
-        // 1.平台通用去重 test
+        // 1.平台通用去重
         deduplicationRuleService.duplication(taskInfo);
 
         // 2. 真正发送消息

austin-support/src/main/java/com/java3y/austin/support/pending/BatchPendingThread.java

@@ -0,0 +1,64 @@
+package com.java3y.austin.support.pending;
+
+import com.google.common.base.Throwables;
+import com.google.common.collect.Lists;
+import lombok.Data;
+import lombok.experimental.Accessors;
+import lombok.extern.slf4j.Slf4j;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * 延迟消费的线程 实现
+ * 积攒一定的数量 或 时间 才消费，达到批量消费的效果
+ *
+ * @author 3y
+ */
+@Data
+@Accessors(chain = true)
+@Slf4j
+public class BatchPendingThread<T> extends Thread {
+
+    private PendingParam<T> pendingParam;
+
+    /**
+     * 批量装载任务
+     */
+    private List<T> tasks = new ArrayList<>();
+
+    /**
+     * 当前装载任务的大小
+     */
+    private Integer total = 0;
+
+    /**
+     * 上次执行的时间
+     */
+    private Long lastHandleTime = System.currentTimeMillis();
+
+
+    @Override
+    public void run() {
+        while (true) {
+            try {
+                T obj = pendingParam.getQueue().poll(pendingParam.getTimeThreshold(), TimeUnit.MILLISECONDS);
+                if (null != obj) {
+                    tasks.add(obj);
+                }
+
+                // 处理条件：1. 数量超限 2. 时间超限
+                if ((tasks.size() >= pendingParam.getNumThreshold())
+                        || (System.currentTimeMillis() - lastHandleTime >= pendingParam.getTimeThreshold())) {
+                    List<T> taskRef = tasks;
+                    tasks = Lists.newArrayList();
+                    lastHandleTime = System.currentTimeMillis();
+                    pendingParam.getPending().handle(taskRef);
+                }
+            } catch (Exception e) {
+                log.error("BatchPendingThread#run failed:{}", Throwables.getStackTraceAsString(e));
+            }
+        }
+    }
+}

austin-support/src/main/java/com/java3y/austin/support/pending/Pending.java

@@ -0,0 +1,79 @@
+package com.java3y.austin.support.pending;
+
+import com.google.common.base.Throwables;
+import lombok.Data;
+import lombok.extern.slf4j.Slf4j;
+
+import java.util.List;
+import java.util.concurrent.BlockingQueue;
+
+/**
+ * 阻塞队列-消费者和生产者实现
+ *
+ * @author 3y
+ */
+@Slf4j
+@Data
+public abstract class Pending<T> {
+
+    /**
+     * 可使用的线程数
+     */
+    public static final int DEFAULT_THREAD_NUM = Runtime.getRuntime().availableProcessors();
+
+    /**
+     * 阻塞队列 实现类
+     */
+    protected BlockingQueue<T> queue;
+
+    /**
+     * 默认消费线程数 = 目前可使用的线程数
+     */
+    protected Integer threadNum = DEFAULT_THREAD_NUM;
+
+
+    /**
+     * 将元素放入阻塞队列中
+     *
+     * @param t
+     */
+    public void pending(T t) {
+        try {
+            queue.put(t);
+        } catch (InterruptedException e) {
+            log.error("Pending#pending error:{}", Throwables.getStackTraceAsString(e));
+        }
+    }
+
+    /**
+     * 消费阻塞队列元素时的方法
+     *
+     * @param t
+     */
+    public void handle(List<T> t) {
+        if (t.isEmpty()) {
+            return;
+        }
+        try {
+            doHandle(t);
+        } catch (Exception e) {
+            log.error("Pending#handle failed:{}", Throwables.getStackTraceAsString(e));
+        }
+    }
+
+
+    /**
+     * 初始化并启动
+     *
+     * @param pendingParam 参数信息
+     */
+    public abstract void initAndStart(PendingParam pendingParam);
+
+
+    /**
+     * 处理阻塞队列的元素 真正方法
+     *
+     * @param list
+     */
+    public abstract void doHandle(List<T> list);
+}

austin-support/src/main/java/com/java3y/austin/support/pending/PendingParam.java

@@ -0,0 +1,48 @@
+package com.java3y.austin.support.pending;
+
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import lombok.experimental.Accessors;
+
+import java.util.concurrent.BlockingQueue;
+
+
+/**
+ * @author 3y
+ * pending初始化参数类
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Builder
+@Accessors(chain = true)
+public class PendingParam<T> {
+
+    /**
+     * 阻塞队列实现类【必填】
+     */
+    private BlockingQueue<T> queue;
+
+    /**
+     * batch 触发执行的数量阈值【必填】
+     */
+    private Integer numThreshold;
+
+    /**
+     * batch 触发执行的时间阈值，单位毫秒【必填】
+     */
+    private Long timeThreshold;
+
+    /**
+     * pending具体实现对象
+     */
+    private Pending pending;
+
+    /**
+     * 消费线程数【可选】
+     */
+    protected Integer threadNum;
+}