From 3a0873cbfd798c7b993b882af8471170fa6f42eb Mon Sep 17 00:00:00 2001
From: yulichang <570810310@qq.com>
Date: Thu, 5 Jan 2023 20:06:11 +0800
Subject: [PATCH] t

---
 .../github/yulichang/toolkit/TableList.java   | 109 ++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 mybatis-plus-join-core/src/main/java/com/github/yulichang/toolkit/TableList.java

diff --git a/mybatis-plus-join-core/src/main/java/com/github/yulichang/toolkit/TableList.java b/mybatis-plus-join-core/src/main/java/com/github/yulichang/toolkit/TableList.java
new file mode 100644
index 0000000..c13a579
--- /dev/null
+++ b/mybatis-plus-join-core/src/main/java/com/github/yulichang/toolkit/TableList.java
@@ -0,0 +1,109 @@
+package com.github.yulichang.toolkit;
+
+import lombok.Data;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+@Data
+public class TableList {
+
+    /**
+     * 所有关联的的表
+     */
+    private List<Node> all = new ArrayList<>();
+
+    /**
+     * 主表类型
+     */
+    private Class<?> rootClass;
+
+    /**
+     * 关联表
+     */
+    private List<Node> child = new ArrayList<>();
+
+    /**
+     * 添加关联表
+     *
+     * @param pIndex   上级索引 可以为null
+     * @param clazz    关联表类
+     * @param hasAlias 是否有别名
+     * @param alias    别名
+     * @param index    索引
+     */
+    public void put(Integer pIndex, Class<?> clazz, boolean hasAlias, String alias, int index) {
+        Node n = new Node(clazz, hasAlias, alias, pIndex, index);
+        all.add(n);
+        if (Objects.isNull(pIndex)) {
+            //一级节点
+            child.add(n);
+        } else {
+            Node node = getByIndex(pIndex);
+            node.put(n);
+        }
+    }
+
+    public String getPrefix(int index) {
+        return null;
+    }
+
+    public String getPrefixOther(int index) {
+        return null;
+    }
+
+
+    private Node getByIndex(int index) {
+        return all.stream().filter(i -> i.getIndex() == index).findFirst().orElse(null);
+    }
+
+    @Data
+    public static class Node {
+
+        /**
+         * 关联表类型
+         */
+        private Class<?> clazz;
+
+        /**
+         * 是否有别名
+         */
+        private boolean hasAlias;
+
+        /**
+         * 表别名
+         */
+        private String alias;
+
+        /**
+         * 上级index
+         */
+        private Integer pIndex;
+
+        /**
+         * 表序号
+         */
+        private int index;
+
+        /**
+         * 子集
+         */
+        private List<Node> list;
+
+        public Node(Class<?> clazz, boolean hasAlias, String alias, Integer pIndex, int index) {
+            this.clazz = clazz;
+            this.hasAlias = hasAlias;
+            this.alias = alias;
+            this.pIndex = pIndex;
+            this.index = index;
+        }
+
+        public void put(Node node) {
+            if (Objects.isNull(list)) {
+                list = new ArrayList<>();
+            }
+            list.add(node);
+        }
+    }
+}