added location dao and repository

app/src/main/java/com/a1/nextlocation/data/Location.java

@@ -1,15 +1,33 @@
 package com.a1.nextlocation.data;
 
+import androidx.annotation.NonNull;
+import androidx.room.Entity;
+import androidx.room.PrimaryKey;
+
+import org.jetbrains.annotations.NotNull;
+
+@Entity(tableName = "location")
 public class Location {
+
+    @PrimaryKey
+    @NonNull
     private String name;
+
     private String coordinates;
     private String description;
 
+    public Location(@NotNull String name, String coordinates, String description) {
+        this.name = name;
+        this.coordinates = coordinates;
+        this.description = description;
+    }
+
+    @NotNull
     public String getName() {
         return name;
     }
 
-    public void setName(String name) {
+    public void setName(@NotNull String name) {
         this.name = name;
     }
 

app/src/main/java/com/a1/nextlocation/data/Route.java

@@ -10,7 +10,7 @@ import org.jetbrains.annotations.NotNull;
 import java.util.ArrayList;
 import java.util.List;
 
-@Entity
+@Entity(tableName = "route")
 public class Route {
 
     @PrimaryKey

app/src/main/java/com/a1/nextlocation/data/db/Database.java

@@ -8,18 +8,24 @@ import androidx.room.RoomDatabase;
 import androidx.sqlite.db.SupportSQLiteDatabase;
 
 import com.a1.nextlocation.data.Coupon;
+import com.a1.nextlocation.data.Location;
 import com.a1.nextlocation.data.Route;
 import com.a1.nextlocation.data.db.dao.CouponDao;
+import com.a1.nextlocation.data.db.dao.LocationDao;
 import com.a1.nextlocation.data.db.dao.RouteDao;
 
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 
-@androidx.room.Database(entities = {Coupon.class,Route.class},version = 1,exportSchema = false)
+/**
+ * @author Sem
+ */
+@androidx.room.Database(entities = {Coupon.class,Route.class, Location.class},version = 1,exportSchema = false)
 public abstract class Database extends RoomDatabase {
 
     public abstract RouteDao routeDao();
     public abstract CouponDao couponDao();
+    public abstract LocationDao locationDao();
 
     private static volatile Database INSTANCE;
     private static final int NUMBER_OF_THREADS = 4;

app/src/main/java/com/a1/nextlocation/data/db/dao/LocationDao.java

@@ -0,0 +1,27 @@
+package com.a1.nextlocation.data.db.dao;
+
+import androidx.lifecycle.LiveData;
+import androidx.room.Dao;
+import androidx.room.Insert;
+import androidx.room.OnConflictStrategy;
+import androidx.room.Query;
+
+import com.a1.nextlocation.data.Location;
+
+import java.util.List;
+
+@Dao
+public interface LocationDao {
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    void insertAll(Location... locations);
+
+    @Query("DELETE FROM location")
+    void deleteAll();
+
+    @Query("SELECT * FROM location")
+    LiveData<List<Location>> selectAll();
+
+    @Query("SELECT * FROM location WHERE name = :name LIMIT 1")
+    Location getLocationByName(String name);
+
+}

app/src/main/java/com/a1/nextlocation/data/db/repositories/LocationRepository.java

@@ -0,0 +1,30 @@
+package com.a1.nextlocation.data.db.repositories;
+
+import android.content.Context;
+
+import androidx.lifecycle.LiveData;
+
+import com.a1.nextlocation.data.Location;
+import com.a1.nextlocation.data.db.Database;
+import com.a1.nextlocation.data.db.dao.LocationDao;
+
+import java.util.List;
+
+public class LocationRepository {
+    private LocationDao mLocationDao;
+    private LiveData<List<Location>> mAllLocations;
+
+    public LocationRepository(Context context) {
+        Database db = Database.getDatabase(context);
+        mLocationDao = db.locationDao();
+        mAllLocations = mLocationDao.selectAll();
+    }
+
+    public LiveData<List<Location>> getAllLocations() {
+        return mAllLocations;
+    }
+
+    public Location getLocationByName(String name) {
+        return mLocationDao.getLocationByName(name);
+    }
+}