GitNex/app/src/main/java/org/mian/gitnex/database/db/GitnexDatabase.java

67 lines
2.0 KiB
Java

package org.mian.gitnex.database.db;
import android.content.Context;
import androidx.annotation.NonNull;
import androidx.room.Database;
import androidx.room.Room;
import androidx.room.RoomDatabase;
import androidx.room.migration.Migration;
import androidx.sqlite.db.SupportSQLiteDatabase;
import org.mian.gitnex.database.dao.DraftsDao;
import org.mian.gitnex.database.dao.RepositoriesDao;
import org.mian.gitnex.database.dao.UserAccountsDao;
import org.mian.gitnex.database.models.Draft;
import org.mian.gitnex.database.models.Repository;
import org.mian.gitnex.database.models.UserAccount;
/**
* Author M M Arif
*/
@Database(entities = {Draft.class, Repository.class, UserAccount.class},
version = 3, exportSchema = false)
public abstract class GitnexDatabase extends RoomDatabase {
private static final String DB_NAME = "gitnex";
private static GitnexDatabase gitnexDatabase;
public abstract DraftsDao draftsDao();
public abstract RepositoriesDao repositoriesDao();
public abstract UserAccountsDao userAccountsDao();
private static final Migration MIGRATION_1_2 = new Migration(1, 2) {
@Override
public void migrate(@NonNull SupportSQLiteDatabase database) {
//database.execSQL("DROP TABLE Drafts");
database.execSQL("ALTER TABLE 'Drafts' ADD COLUMN 'commentId' TEXT");
}
};
private static final Migration MIGRATION_2_3 = new Migration(2, 3) {
@Override
public void migrate(@NonNull SupportSQLiteDatabase database) {
database.execSQL("ALTER TABLE 'Drafts' ADD COLUMN 'issueType' TEXT");
}
};
public static GitnexDatabase getDatabaseInstance(Context context) {
if (gitnexDatabase == null) {
synchronized(GitnexDatabase.class) {
if(gitnexDatabase == null) {
gitnexDatabase = Room.databaseBuilder(context, GitnexDatabase.class, DB_NAME)
// .fallbackToDestructiveMigration()
.allowMainThreadQueries()
.addMigrations(MIGRATION_1_2, MIGRATION_2_3)
.build();
}
}
}
return gitnexDatabase;
}
}