perf[net]: 简化代码

net/src/main/java/com/zfoo/net/handler/GatewayRouteHandler.java

@@ -64,10 +64,10 @@ public class GatewayRouteHandler extends ServerRouteHandler {
 
         var decodedPacketInfo = (DecodedPacketInfo) msg;
         var packet = decodedPacketInfo.getPacket();
-        if (packet.protocolId() == Heartbeat.heartbeatProtocolId()) {
+        if (packet.protocolId() == Heartbeat.PROTOCOL_ID) {
             return;
         }
-        if (packet.protocolId() == Ping.pingProtocolId()) {
+        if (packet.protocolId() == Ping.PROTOCOL_ID) {
             NetContext.getRouter().send(session, Pong.valueOf(TimeUtils.now()), null);
             return;
         }

net/src/main/java/com/zfoo/net/handler/idle/ClientIdleHandler.java

@@ -33,7 +33,7 @@ public class ClientIdleHandler extends ChannelDuplexHandler {
 
     private static final Logger logger = LoggerFactory.getLogger(ClientIdleHandler.class);
 
-    private static final EncodedPacketInfo heartbeatPacket = EncodedPacketInfo.valueOf(Heartbeat.getInstance(), null);
+    private static final EncodedPacketInfo heartbeatPacket = EncodedPacketInfo.valueOf(new Heartbeat(), null);
 
     @Override
     public void userEventTriggered(ChannelHandlerContext ctx, Object evt) {

net/src/main/java/com/zfoo/net/packet/common/Heartbeat.java

@@ -23,18 +23,9 @@ public class Heartbeat implements IPacket {
 
     public static final transient short PROTOCOL_ID = 102;
 
-    private static Heartbeat INSTANCE = new Heartbeat();
-
-    public static Heartbeat getInstance() {
-        return INSTANCE;
-    }
-
     @Override
     public short protocolId() {
         return PROTOCOL_ID;
     }
 
-    public static short heartbeatProtocolId() {
-        return PROTOCOL_ID;
-    }
 }

net/src/main/java/com/zfoo/net/packet/common/Ping.java

@@ -23,10 +23,6 @@ public class Ping implements IPacket {
 
     public static final transient short PROTOCOL_ID = 103;
 
-    public static short pingProtocolId() {
-        return PROTOCOL_ID;
-    }
-
     @Override
     public short protocolId() {
         return PROTOCOL_ID;

net/src/main/java/com/zfoo/net/router/Router.java

@@ -71,7 +71,7 @@ public class Router implements IRouter {
 
     @Override
     public void receive(Session session, IPacket packet, @Nullable IAttachment attachment) {
-        if (packet.protocolId() == Heartbeat.heartbeatProtocolId()) {
+        if (packet.protocolId() == Heartbeat.PROTOCOL_ID) {
             logger.info("heartbeat");
             return;
         }