}
private void executeBatchUpdate(Map<DBCollection, BatchInsertionTask> inserts, UpdateTupleOperation tupleOperation) {
EntityKey entityKey = tupleOperation.getEntityKey();
Tuple tuple = tupleOperation.getTuple();
BatchableMongoDBTupleSnapshot snapshot = (BatchableMongoDBTupleSnapshot) tupleOperation.getTuple().getSnapshot();
WriteConcern writeConcern = getWriteConcern( tupleOperation.getTupleContext() );
if ( INSERT == snapshot.getOperationType() && columnNamesAllowBatchInsert( tupleOperation ) ) {
prepareForInsert( inserts, snapshot, entityKey, tuple, writeConcern );
}
else {
// Object already exists in the db or has invalid fields:
updateTuple( tuple, entityKey, tupleOperation.getTupleContext() );