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Make it possible to set DB size 

Reviewed By: oli

Differential Revision: D2749219

fb-gh-sync-id: 2165ed8a89c48687ad82cd1facf2b875d31ca997
This commit is contained in:
Andrei Coman 2015-12-14 12:04:38 -08:00 committed by facebook-github-bot-4
parent bfab7cdcd9
commit dbc35b69fa
1 changed files with 13 additions and 2 deletions
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15
ReactAndroid/src/main/java/com/facebook/react/modules/storage/ReactDatabaseSupplier.java
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@ -30,7 +30,6 @@ public class ReactDatabaseSupplier extends SQLiteOpenHelper {
private static final int DATABASE_VERSION = 1;
private static final int SLEEP_TIME_MS = 30;
private static final long DEFAULT_MAX_DB_SIZE = 6L * 1024L * 1024L; // 6 MB in bytes
static final String TABLE_CATALYST = "catalystLocalStorage";
static final String KEY_COLUMN = "key";
@ -46,6 +45,7 @@ public class ReactDatabaseSupplier extends SQLiteOpenHelper {
private Context mContext;
private @Nullable SQLiteDatabase mDb;
private long mMaximumDatabaseSize = 6L * 1024L * 1024L; // 6 MB in bytes
private ReactDatabaseSupplier(Context context) {
super(context, DATABASE_NAME, null, DATABASE_VERSION);
@ -105,7 +105,7 @@ public class ReactDatabaseSupplier extends SQLiteOpenHelper {
// This is a sane limit to protect the user from the app storing too much data in the database.
// This also protects the database from filling up the disk cache and becoming malformed
// (endTransaction() calls will throw an exception, not rollback, and leave the db malformed).
mDb.setMaximumSize(DEFAULT_MAX_DB_SIZE);
mDb.setMaximumSize(mMaximumDatabaseSize);
return true;
}
@ -137,6 +137,17 @@ public class ReactDatabaseSupplier extends SQLiteOpenHelper {
get().delete(TABLE_CATALYST, null, null);
}
/**
* Sets the maximum size the database will grow to. The maximum size cannot
* be set below the current size.
*/
public synchronized void setMaximumSize(long size) {
mMaximumDatabaseSize = size;
if (mDb != null) {
mDb.setMaximumSize(mMaximumDatabaseSize);
}
}
private synchronized boolean deleteDatabase() {
closeDatabase();
return mContext.deleteDatabase(DATABASE_NAME);