package edu.caltech.nanodb.commands;
import edu.caltech.nanodb.server.NanoDBServer;
import edu.caltech.nanodb.storage.StorageManager;
import edu.caltech.nanodb.transactions.TransactionException;
/**
* This class represents a command that rolls back a transaction, such as
* <tt>ROLLBACK</tt> or <tt>ROLLBACK WORK</tt>.
*/
public class RollbackTransactionCommand extends Command {
public RollbackTransactionCommand() {
super(Type.UTILITY);
}
@Override
public void execute(NanoDBServer server) throws ExecutionException {
// Roll back the transaction.
try {
StorageManager storageManager = server.getStorageManager();
storageManager.getTransactionManager().rollbackTransaction();
}
catch (TransactionException e) {
throw new ExecutionException(e);
}
}
}
-
Donald H. (Donnie) Pinkston, III authoredeb289261