修改规范问题.

mybatis-plus-core/src/main/java/com/baomidou/mybatisplus/core/toolkit/ReflectionKit.java

@@ -52,19 +52,19 @@ public class ReflectionKit {
     /**
      * class field cache
      */
-    private static final Map<Class<?>, List<Field>> classFieldCache = new ConcurrentHashMap<>();
+    private static final Map<Class<?>, List<Field>> CLASS_FIELD_CACHE = new ConcurrentHashMap<>();
 
-    private static final Map<Class<?>, Class<?>> primitiveWrapperTypeMap = new IdentityHashMap<>(8);
+    private static final Map<Class<?>, Class<?>> PRIMITIVE_WRAPPER_TYPE_MAP = new IdentityHashMap<>(8);
 
     static {
-        primitiveWrapperTypeMap.put(Boolean.class, boolean.class);
-        primitiveWrapperTypeMap.put(Byte.class, byte.class);
-        primitiveWrapperTypeMap.put(Character.class, char.class);
-        primitiveWrapperTypeMap.put(Double.class, double.class);
-        primitiveWrapperTypeMap.put(Float.class, float.class);
-        primitiveWrapperTypeMap.put(Integer.class, int.class);
-        primitiveWrapperTypeMap.put(Long.class, long.class);
-        primitiveWrapperTypeMap.put(Short.class, short.class);
+        PRIMITIVE_WRAPPER_TYPE_MAP.put(Boolean.class, boolean.class);
+        PRIMITIVE_WRAPPER_TYPE_MAP.put(Byte.class, byte.class);
+        PRIMITIVE_WRAPPER_TYPE_MAP.put(Character.class, char.class);
+        PRIMITIVE_WRAPPER_TYPE_MAP.put(Double.class, double.class);
+        PRIMITIVE_WRAPPER_TYPE_MAP.put(Float.class, float.class);
+        PRIMITIVE_WRAPPER_TYPE_MAP.put(Integer.class, int.class);
+        PRIMITIVE_WRAPPER_TYPE_MAP.put(Long.class, long.class);
+        PRIMITIVE_WRAPPER_TYPE_MAP.put(Short.class, short.class);
     }
 
     /**
@@ -189,11 +189,11 @@ public class ReflectionKit {
         if (Objects.isNull(clazz)) {
             return Collections.emptyList();
         }
-        List<Field> fields = classFieldCache.get(clazz);
+        List<Field> fields = CLASS_FIELD_CACHE.get(clazz);
         if (CollectionUtils.isEmpty(fields)) {
-            synchronized (classFieldCache) {
+            synchronized (CLASS_FIELD_CACHE) {
                 fields = doGetFieldList(clazz);
-                classFieldCache.put(clazz, fields);
+                CLASS_FIELD_CACHE.put(clazz, fields);
             }
         }
         return fields;
@@ -261,6 +261,6 @@ public class ReflectionKit {
      */
     public static boolean isPrimitiveOrWrapper(Class<?> clazz) {
         Assert.notNull(clazz, "Class must not be null");
-        return (clazz.isPrimitive() || primitiveWrapperTypeMap.containsKey(clazz));
+        return (clazz.isPrimitive() || PRIMITIVE_WRAPPER_TYPE_MAP.containsKey(clazz));
     }
 }

mybatis-plus-core/src/main/java/com/baomidou/mybatisplus/core/toolkit/Wrappers.java

@@ -152,6 +152,7 @@ public final class Wrappers {
             return null;
         }
 
+        @Override
         public EmptyWrapper<T> setEntity(T entity) {
             throw new UnsupportedOperationException();
         }
@@ -186,9 +187,11 @@ public final class Wrappers {
             return true;
         }
 
+        @Override
         protected void initEntityClass() {
         }
 
+        @Override
         protected Class<T> getCheckEntityClass() {
             throw new UnsupportedOperationException();
         }

mybatis-plus-extension/src/main/java/com/baomidou/mybatisplus/extension/plugins/OptimisticLockerInterceptor.java

@@ -20,20 +20,34 @@ import com.baomidou.mybatisplus.core.conditions.AbstractWrapper;
 import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
 import com.baomidou.mybatisplus.core.metadata.TableFieldInfo;
 import com.baomidou.mybatisplus.core.metadata.TableInfo;
-import com.baomidou.mybatisplus.core.toolkit.*;
-import lombok.Data;
+import com.baomidou.mybatisplus.core.toolkit.ClassUtils;
+import com.baomidou.mybatisplus.core.toolkit.Constants;
+import com.baomidou.mybatisplus.core.toolkit.ReflectionKit;
+import com.baomidou.mybatisplus.core.toolkit.StringPool;
+import com.baomidou.mybatisplus.core.toolkit.TableInfoHelper;
+
 import org.apache.ibatis.executor.Executor;
 import org.apache.ibatis.mapping.MappedStatement;
 import org.apache.ibatis.mapping.SqlCommandType;
-import org.apache.ibatis.plugin.*;
+import org.apache.ibatis.plugin.Interceptor;
+import org.apache.ibatis.plugin.Intercepts;
+import org.apache.ibatis.plugin.Invocation;
+import org.apache.ibatis.plugin.Plugin;
+import org.apache.ibatis.plugin.Signature;
 
 import java.lang.reflect.Field;
 import java.sql.Timestamp;
 import java.time.LocalDateTime;
-import java.util.*;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Properties;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.stream.Collectors;
 
+import lombok.Data;
+
 /**
  * Optimistic Lock Light version
  * <p>Intercept on {@link Executor}.update;</p>
@@ -136,7 +150,7 @@ public class OptimisticLockerInterceptor implements Interceptor {
                     return invocation.proceed();
                 } else {
                     List<EntityField> fields = entityFieldsCache.computeIfAbsent(entityClass, this::getFieldsFromClazz);
-                    Map<String, Object> entityMap = new HashMap<>();
+                    Map<String, Object> entityMap = new HashMap<>(fields.size());
                     for (EntityField ef : fields) {
                         Field fd = ef.getField();
                         entityMap.put(fd.getName(), fd.get(et));

mybatis-plus-generator/src/main/java/com/baomidou/mybatisplus/generator/config/builder/ConfigBuilder.java

@@ -15,19 +15,6 @@
  */
 package com.baomidou.mybatisplus.generator.config.builder;
 
-import java.io.File;
-import java.sql.Connection;
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
 import com.baomidou.mybatisplus.annotation.DbType;
 import com.baomidou.mybatisplus.core.toolkit.StringPool;
 import com.baomidou.mybatisplus.core.toolkit.StringUtils;
@@ -45,6 +32,19 @@ import com.baomidou.mybatisplus.generator.config.po.TableInfo;
 import com.baomidou.mybatisplus.generator.config.querys.H2Query;
 import com.baomidou.mybatisplus.generator.config.rules.NamingStrategy;
 
+import java.io.File;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
 /**
  * 配置汇总 传递给文件生成工具
  *
@@ -582,7 +582,7 @@ public class ConfigBuilder {
                     // 自定义字段查询
                     String[] fcs = dbQuery.fieldCustom();
                     if (null != fcs) {
-                        Map<String, Object> customMap = new HashMap<>();
+                        Map<String, Object> customMap = new HashMap<>(fcs.length);
                         for (String fc : fcs) {
                             customMap.put(fc, results.getObject(fc));
                         }