@Override
public Uri insert(Uri uri, ContentValues values) {
// Find matching path.
final int match = sUriMatcher.match(uri);
// Avoid the expensive string concatenation below if not loggable
if (BuildConfig.DEBUG) {
Log.v(TAG, "insert(uri=" + uri + ", values=" + values.toString() + ")");
}
// Get the database and run the insert
SQLiteDatabase db = mOpenHelper.getWritableDatabase();
switch (match) {
case PAYMENTS:
{
db.insertOrThrow(AppDatabase.Tables.PAYMENTS, null, values);
getContext().getContentResolver().notifyChange(uri, null);
// Generate Uri with remote id.
return AppContract.Payments.buildUri(values.getAsString(AppContract.Payments.ID));
}
default:
{
throw new UnsupportedOperationException("Unknown insert uri: " + uri);
}
}
}
@Override
public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
// Find matching path.
final int match = sUriMatcher.match(uri);
// Avoid the expensive string concatenation below if not loggable
if (BuildConfig.DEBUG) {
Log.v(TAG, "update(uri=" + uri + ", values=" + values.toString() + ")");
}
// Create a selection builder from Uri.
final SelectionBuilder builder = buildSimpleSelection(uri, match);
// Get the database and run the update
SQLiteDatabase db = mOpenHelper.getWritableDatabase();
int count = builder.where(selection, selectionArgs).update(db, values);
getContext().getContentResolver().notifyChange(uri, null);
return count;
}
/** Transactional implementation of applyBatch. */
@Override
public ContentProviderResult[] applyBatch(ArrayList<ContentProviderOperation> operations)
throws OperationApplicationException {
ContentProviderResult[] result = new ContentProviderResult[operations.size()];
// Opens the database object in "write" mode.
SQLiteDatabase db = mOpenHelper.getWritableDatabase();
// Begin a transaction
db.beginTransaction();
try {
int i = 0;
for (ContentProviderOperation operation : operations) {
// Chain the result for back references
result[i++] = operation.apply(this, result, i);
}
db.setTransactionSuccessful();
} finally {
db.endTransaction();
}
return result;
}
@Override
public Cursor query(
Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) {
// Find matching path.
final int match = sUriMatcher.match(uri);
// Avoid the expensive string concatenation below if not loggable
if (BuildConfig.DEBUG) {
Log.v(
TAG,
"uri="
+ uri
+ " match="
+ match
+ " proj="
+ Arrays.toString(projection)
+ " selection="
+ selection
+ " args="
+ Arrays.toString(selectionArgs)
+ ")");
}
// Create a selection builder from Uri.
final SelectionBuilder builder = buildExpandedSelection(uri, match);
// Get the database and run the query
SQLiteDatabase db = mOpenHelper.getReadableDatabase();
Cursor cursor = builder.where(selection, selectionArgs).query(db, projection, sortOrder);
// Tell the cursor what uri to watch, so it knows when its source
// data changes
Context context = getContext();
if (null != context) {
cursor.setNotificationUri(context.getContentResolver(), uri);
}
return cursor;
}