public static long determineBestId(
ContentResolver resolver, CapsuleOperations operations, Capsule capsule) {
// Query
Cursor c =
resolver.query(
CapsuleContract.Capsules.CONTENT_URI,
new String[] {CapsuleContract.Capsules._ID},
CapsuleContract.Capsules.TABLE_NAME
+ "."
+ CapsuleContract.Capsules.SYNC_ID
+ " = ?"
+ " AND "
+ CapsuleContract.Capsules.TABLE_NAME
+ "."
+ CapsuleContract.Capsules.SYNC_ID
+ " != ?",
new String[] {String.valueOf(capsule.getSyncId()), "0"},
null);
// Check if there is a row
long id;
if (c.getCount() < 1) {
// There is no existing row
id = 0;
} else if (c.getCount() > 1) {
// Get the first matching row to keep
c.moveToFirst();
id = c.getLong(c.getColumnIndex(CapsuleContract.Capsules._ID));
// Add any extra IDs to a collection
List<Long> duplicateIds = new ArrayList<Long>();
while (c.moveToNext()) {
duplicateIds.add(c.getLong(c.getColumnIndex(CapsuleContract.Capsules._ID)));
}
// Build operations to remove the extra IDs
operations.buildCapsuleCleanup(id, duplicateIds);
} else {
// There is only one row, so move to it and get the ID
c.moveToFirst();
id = c.getLong(c.getColumnIndex(CapsuleContract.Capsules._ID));
}
// Close the cursor
c.close();
// If a better ID was found (non-zero), reassign it
if (id > 0) {
capsule.setId(id);
}
return id;
}
public static boolean save(
ContentResolver resolver, Capsule capsule, CapsuleContract.SyncStateAction syncAction) {
// Build the ContentProviderOperations for the save
CapsuleOperations operations = new CapsuleOperations(resolver);
operations.buildOwnershipSave(capsule, syncAction);
// Apply the batch operation
ContentProviderResult[] results = operations.applyBatch();
// Make sure the rows were properly updated
boolean success = true;
// Check the first result (Capsule operation)
if (results[0].uri != null) {
// The Capsule operation was an INSERT, so parse the ID from the URI
capsule.setId(ContentUris.parseId(results[0].uri));
} else {
// The Capsule operation was an UPDATE, so make sure a row was updated
if (results[0].count < 1) {
success = false;
}
}
// Check the second result (Ownership operation)
if (results[1].uri != null) {
// The Ownership operation was an INSERT, so parse the ID from the URI
((CapsuleOwnership) capsule).setOwnershipId(ContentUris.parseId(results[1].uri));
} else {
// The Ownership operation was an UPDATE, so make sure a row was updated
if (results[1].count < 1) {
success = false;
}
}
return success;
}