Add: abstract Dao

artshell · artshell · commit e3ce4dc13451 · 2018-07-09T22:41:35.000+08:00
diff --git a/arch/src/main/java/com/artshell/arch/storage/db/AbsUserDatabase.java b/arch/src/main/java/com/artshell/arch/storage/db/AbsUserDatabase.java
@@ -0,0 +1,15 @@
+package com.artshell.arch.storage.db;
+
+import android.arch.persistence.room.Database;
+import android.arch.persistence.room.RoomDatabase;
+
+import com.artshell.arch.storage.db.dao.AbsUserDao;
+import com.artshell.arch.storage.db.entity.User;
+
+/**
+ * @author artshell on 2018/7/9
+ */
+@Database(entities = {User.class}, version = 1)
+public abstract class AbsUserDatabase extends RoomDatabase {
+    public abstract AbsUserDao userDao();
+}
diff --git a/arch/src/main/java/com/artshell/arch/storage/db/dao/AbsUserDao.java b/arch/src/main/java/com/artshell/arch/storage/db/dao/AbsUserDao.java
@@ -0,0 +1,28 @@
+package com.artshell.arch.storage.db.dao;
+
+import android.arch.persistence.room.Dao;
+import android.arch.persistence.room.Query;
+import android.arch.persistence.room.Transaction;
+
+import com.artshell.arch.storage.db.AbsUserDatabase;
+import com.artshell.arch.storage.db.entity.User;
+
+import java.util.List;
+
+import io.reactivex.Flowable;
+
+/**
+ * @author artshell on 2018/7/9
+ */
+@Dao
+public abstract class AbsUserDao {
+    private final AbsUserDatabase db;
+
+    public AbsUserDao(AbsUserDatabase db) {
+        this.db = db;
+    }
+
+    @Transaction
+    @Query("SELECT id, name FROM user")
+    public abstract Flowable<List<User>> getUsers();
+}
