加入ZxyChangeListener 数据改变监听类

Ellen2018 · May 24, 2020 · ea34db8 · ea34db8
1 parent 28bb54b
commit ea34db8
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diff --git a/app/src/main/java/com/ellen/dhcsqlite/MainActivity.java b/app/src/main/java/com/ellen/dhcsqlite/MainActivity.java
@@ -6,6 +6,7 @@
 import android.util.Log;
 import android.widget.TextView;
 
+import com.ellen.dhcsqlitelibrary.table.reflection.ZxyChangeListener;
 import com.ellen.dhcsqlitelibrary.table.reflection.ZxyReflectionTable;
 import com.ellen.sqlitecreate.createsql.create.createtable.SQLField;
 import com.ellen.sqlitecreate.createsql.delete.DeleteTableDataRow;
@@ -44,6 +45,13 @@ protected void onCreate(Bundle savedInstanceState) {
         searchData();
         //其他用法
         other();
+
+        studentTable.setZxyChangeListener(new ZxyChangeListener() {
+            @Override
+            public void onDataChange() {
+                //当数据库增加，删除数据时，也就是数据发生了变化都会回调这里
+            }
+        });
     }
 
     private void other() {

diff --git a/...elibrary/src/main/java/com/ellen/dhcsqlitelibrary/table/reflection/ZxyChangeListener.java b/...elibrary/src/main/java/com/ellen/dhcsqlitelibrary/table/reflection/ZxyChangeListener.java
@@ -0,0 +1,14 @@
+package com.ellen.dhcsqlitelibrary.table.reflection;
+
+/**
+ * 数据变化监听
+ */
+public interface ZxyChangeListener {
+
+    /**
+     * 当数据变化时回调
+     * saveDataAndDeleteAgo此系列方法会触发两次此方法的回调，后期需要更改
+     * 希望后期按照增删改查进行架构的改造,让操作单元化，方便api的理解与维护更新
+     */
+    void onDataChange();
+}
diff --git a/...library/src/main/java/com/ellen/dhcsqlitelibrary/table/reflection/ZxyReflectionTable.java b/...library/src/main/java/com/ellen/dhcsqlitelibrary/table/reflection/ZxyReflectionTable.java
@@ -37,6 +37,7 @@ public abstract class ZxyReflectionTable<T> extends ZxyTable {
     private HashMap<SQLField, Field> sqlNameMap;
     private Field primarykeyField = null;
     private SQLField primarykeySqlField = null;
+    private ZxyChangeListener zxyChangeListener;
 
     public ZxyReflectionTable(SQLiteDatabase db, Class<? extends T> dataClass) {
         super(db);
@@ -64,6 +65,10 @@ public ZxyReflectionTable(SQLiteDatabase db, Class<? extends T> dataClass, Strin
         }
     }
 
+    public void setZxyChangeListener(ZxyChangeListener zxyChangeListener) {
+        this.zxyChangeListener = zxyChangeListener;
+    }
+
     /**
      * 通过反射获取类的所有属性
      */
@@ -264,6 +269,9 @@ public void saveData(T data) {
         }
         String addDataSql = addSingleRowToTable.createSQL();
         exeSQL(addDataSql);
+        if(zxyChangeListener != null){
+            zxyChangeListener.onDataChange();
+        }
     }
 
     public String getTableName() {
@@ -306,6 +314,9 @@ public void saveData(List<T> dataList) {
         }
         String addDataSql = addManyRowToTable.createSQL();
         exeSQL(addDataSql);
+        if(zxyChangeListener != null){
+            zxyChangeListener.onDataChange();
+        }
     }
 
     /**
@@ -343,6 +354,9 @@ public void saveDataAndDeleteAgo(T data) {
     public void delete(String whereSQL) {
         String deleteSQL = getDeleteTableDataRow().setTableName(tableName).createSQLAutoWhere(whereSQL);
         exeSQL(deleteSQL);
+        if(zxyChangeListener != null){
+            zxyChangeListener.onDataChange();
+        }
     }
 
     /**
@@ -351,6 +365,9 @@ public void delete(String whereSQL) {
     public void clear() {
         String clearTableSQL = getDeleteTableDataRow().setTableName(tableName).createDeleteAllDataSQL();
         exeSQL(clearTableSQL);
+        if(zxyChangeListener != null){
+            zxyChangeListener.onDataChange();
+        }
     }
 
     /**
@@ -456,6 +473,9 @@ public void update(T t, String whereSQL) {
         }
         String updateSql = updateTableDataRow.createSQLAutoWhere(whereSQL);
         exeSQL(updateSql);
+        if(zxyChangeListener != null){
+            zxyChangeListener.onDataChange();
+        }
     }
 
     /**