2017-08-07 15:02:30 +02:00
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package org.schabi.newpipe;
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import android.arch.persistence.room.Room;
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import android.content.Context;
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import android.support.annotation.NonNull;
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import org.schabi.newpipe.database.AppDatabase;
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import static org.schabi.newpipe.database.AppDatabase.DATABASE_NAME;
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2018-01-17 22:24:59 +01:00
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import static org.schabi.newpipe.database.Migrations.MIGRATION_11_12;
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2017-08-07 15:02:30 +02:00
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2017-09-03 08:04:18 +02:00
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public final class NewPipeDatabase {
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2017-08-07 15:02:30 +02:00
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2018-03-08 14:39:24 +01:00
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private static volatile AppDatabase databaseInstance;
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2017-08-07 15:02:30 +02:00
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2017-09-03 08:04:18 +02:00
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private NewPipeDatabase() {
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//no instance
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}
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2018-03-08 14:39:24 +01:00
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private static AppDatabase getDatabase(Context context) {
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return Room
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.databaseBuilder(context.getApplicationContext(), AppDatabase.class, DATABASE_NAME)
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2018-01-17 22:24:59 +01:00
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.addMigrations(MIGRATION_11_12)
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2018-01-17 22:53:32 +01:00
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.fallbackToDestructiveMigration()
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2018-01-17 22:24:59 +01:00
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.build();
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2017-09-03 08:04:18 +02:00
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}
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2017-08-07 15:02:30 +02:00
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@NonNull
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2018-03-08 14:39:24 +01:00
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public static AppDatabase getInstance(@NonNull Context context) {
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AppDatabase result = databaseInstance;
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if (result == null) {
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synchronized (NewPipeDatabase.class) {
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result = databaseInstance;
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if (result == null) {
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databaseInstance = (result = getDatabase(context));
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}
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}
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}
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return result;
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2018-01-15 21:30:52 +01:00
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}
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2017-08-07 15:02:30 +02:00
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}
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