refactor: 通过 builder 构建 FieldQuery 对象。

mybatis-flex-core/src/main/java/com/mybatisflex/core/field/FieldQuery.java

@@ -15,29 +15,116 @@
  */
 package com.mybatisflex.core.field;
 
-import com.mybatisflex.core.query.QueryWrapper;
-
 import java.io.Serializable;
 
+@SuppressWarnings("rawtypes")
 public class FieldQuery implements Serializable {
 
-    private String field;
-    private QueryWrapper queryWrapper;
+    private String className;
+    private String fieldName;
+    private FieldType fieldType = FieldType.AUTO;
+    private boolean prevent;
+    private QueryBuilder queryBuilder;
 
-    public String getField() {
-        return field;
+    public String getClassName() {
+        return className;
     }
 
-    public void setField(String field) {
-        this.field = field;
+    public void setClassName(String className) {
+        this.className = className;
     }
 
-    public QueryWrapper getQueryWrapper() {
-        return queryWrapper;
+    public String getFieldName() {
+        return fieldName;
     }
 
-    public void setQueryWrapper(QueryWrapper queryWrapper) {
-        this.queryWrapper = queryWrapper;
+    public void setFieldName(String fieldName) {
+        this.fieldName = fieldName;
+    }
+
+    public FieldType getFieldType() {
+        return fieldType;
+    }
+
+    public void setFieldType(FieldType fieldType) {
+        this.fieldType = fieldType;
+    }
+
+    public boolean isPrevent() {
+        return prevent;
+    }
+
+    public void setPrevent(boolean prevent) {
+        this.prevent = prevent;
+    }
+
+    public QueryBuilder getQueryBuilder() {
+        return queryBuilder;
+    }
+
+    public void setQueryBuilder(QueryBuilder queryBuilder) {
+        this.queryBuilder = queryBuilder;
+    }
+
+    public static class Builder<T> {
+
+        private final FieldQuery fieldQuery;
+
+        public Builder(String className, String fieldName) {
+            this.fieldQuery = new FieldQuery();
+            this.fieldQuery.setClassName(className);
+            this.fieldQuery.setFieldName(fieldName);
+        }
+
+        /**
+         * 设置属性类型（可选，默认自动识别）。
+         *
+         * @param fieldType 属性类型
+         * @return 构建者
+         */
+        public Builder<T> fieldType(FieldType fieldType) {
+            this.fieldQuery.setFieldType(fieldType);
+            return this;
+        }
+
+        /**
+         * 阻止对嵌套类属性的查询，只对 {@link FieldType#COLLECTION} 与
+         * {@link FieldType#ENTITY} 两种属性类型有效。
+         *
+         * @return 构建者
+         */
+        public Builder<T> prevent() {
+            this.fieldQuery.setPrevent(true);
+            return this;
+        }
+
+        /**
+         * 设置是否阻止对嵌套类属性的查询，只对 {@link FieldType#COLLECTION} 与
+         * {@link FieldType#ENTITY} 两种属性类型有效。
+         *
+         * @param prevent 是否阻止对嵌套类属性查询
+         * @return 构建者
+         */
+        public Builder<T> prevent(boolean prevent) {
+            this.fieldQuery.setPrevent(prevent);
+            return this;
+        }
+
+        /**
+         * 设置查询这个属性的 {@code QueryWrapper} 对象。
+         *
+         * @param queryBuilder 查询包装器
+         * @return 构建者
+         */
+        public Builder<T> queryWrapper(QueryBuilder<T> queryBuilder) {
+            this.fieldQuery.setQueryBuilder(queryBuilder);
+            return this;
+        }
+
+        protected FieldQuery build() {
+            return this.fieldQuery;
+        }
+
     }
 
 }