blob: 01236f6efd0f13fc17800fbf5a46044f80596bee (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
package com.google.android.libraries.backup.shadow;
import android.app.backup.BackupHelper;
import android.app.backup.FileBackupHelper;
import android.content.Context;
import com.google.common.base.Preconditions;
/**
* Class which simulates backup & restore functionality of a {@link BackupHelper}.
*/
public abstract class BackupHelperSimulator {
/** Prefix key of the corresponding {@link FileBackupHelper}. */
protected final String keyPrefix;
public BackupHelperSimulator(String keyPrefix) {
this.keyPrefix = Preconditions.checkNotNull(keyPrefix);
}
/** Perform backup into an {@link Object}, which is then returned by the method. */
public abstract Object backup(Context context);
/**
* Perform restore from the provided {@link Object}, which must have the same type as the one
* returned by {@link #backup}.
*/
public abstract void restore(Context context, Object data);
}
|