update 电单车协议

jsowell-pile/src/main/java/com/jsowell/pile/service/impl/EBikeSendCommandService.java

@@ -0,0 +1,34 @@
+package com.jsowell.pile.service.impl;
+
+import com.jsowell.common.enums.ykc.PileChannelEntity;
+import com.jsowell.pile.domain.ebike.AbsEBikeMessage;
+import io.netty.channel.ChannelHandlerContext;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+
+import java.util.Objects;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * 电单车发送指令service
+ */
+@Slf4j
+@Service
+public class EBikeSendCommandService {
+
+    /**
+     * 公共方法发送指令
+     * @param pileSn 装编号
+     * @param msg 消息
+     * @param timeout 超时时间
+     * @param unit 时间单位
+     */
+    private void sendCommand(String pileSn, Class<? extends AbsEBikeMessage> msg, long timeout, TimeUnit unit) {
+        // 通过桩编号获取channel
+        ChannelHandlerContext ctx = PileChannelEntity.getChannelByPileSn(pileSn);
+        if (Objects.isNull(ctx)) {
+            log.error("push命令[{}]失败, 桩号:{}无法获取到长连接, 请检查充电桩连接状态!", "value", pileSn);
+            throw new NullPointerException("channel");
+        }
+    }
+}