package safeluck.drive.evaluation.DB;
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import android.content.Context;
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import android.util.Log;
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import androidx.annotation.NonNull;
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import androidx.work.WorkRequest;
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import androidx.work.Worker;
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import androidx.work.WorkerParameters;
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import androidx.work.impl.model.WorkSpec;
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import com.google.gson.Gson;
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import com.google.gson.reflect.TypeToken;
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import com.google.gson.stream.JsonReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.lang.reflect.Type;
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import java.util.List;
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import java.util.Set;
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import java.util.UUID;
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/**
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* MyApplication2
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* Created by lzw on 2019/11/25. 13:11:57
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* 邮箱:632393724@qq.com
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* All Rights Saved! Chongqing AnYun Tech co. LTD
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*/
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public class SeedDatabaseWorker extends Worker {
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private static final String TAG = "SeedDatabaseWorker";
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public SeedDatabaseWorker(@NonNull Context context, @NonNull WorkerParameters workerParams) {
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super(context, workerParams);
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}
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@NonNull
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@Override
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public Result doWork() {
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Log.i(TAG, "doWork: "+Thread.currentThread().getId());
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try {
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InputStream inputStream = getApplicationContext().getAssets().open("students_file.json");
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InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
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JsonReader jsonReader = new JsonReader(inputStreamReader);
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Gson gson = new Gson();
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Type type = new TypeToken<List<Student>>(){}.getType();
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List<Student> mstus=gson.fromJson(jsonReader, type);
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WorkRoomDataBase.getWorkRoomDataBase(getApplicationContext()).getstudentDao().insertAll(mstus);
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} catch (IOException e) {
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e.printStackTrace();
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return Result.failure();
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}
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return Result.success();
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}
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}
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