Mercurial > hg > Members > nobuyasu > jungle-network
view src/main/java/alice/jungle/transaction/NetworkTransactionManager.java @ 191:5d0734fd859d
fix error
author | tatsuki |
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date | Thu, 15 Jan 2015 09:23:23 +0900 |
parents | 4493dd7692ce |
children | 89c15aa2bc6d |
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package alice.jungle.transaction; import java.util.Iterator; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.persistent.ChangeList; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.persistent.ChangeListWriter; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.persistent.Result; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.ChangeSet; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.TreeNode; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.logger.TreeOperationLog; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.TreeOperation; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.transaction.AtomicReservableReference; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.transaction.AtomicReservableReference.Reservation; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.transaction.DefaultChangeSet; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.transaction.DefaultTreeContext; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.transaction.TransactionManager; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.transaction.TreeContext; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.traverser.InterfaceTraverser; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.DefaultEither; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.DefaultError; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Either; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Error; import jp.ac.u_ryukyu.ie.cr.tatsuki.jungle.store.index.Index; import jp.ac.u_ryukyu.ie.cr.tatsuki.jungle.store.index.IndexManager; import jp.ac.u_ryukyu.ie.cr.tatsuki.jungle.store.index.ParentIndex; public class NetworkTransactionManager implements TransactionManager { private final AtomicReservableReference<TreeContext> repository; private final TreeContext tip; private final ChangeListWriter writer; private final String uuid; private final String treeName; public NetworkTransactionManager(String _treeName, ChangeListWriter _writer, TreeContext _tip, AtomicReservableReference<TreeContext> _repository, String _uuid) { repository = _repository; tip = _tip; writer = _writer; uuid = _uuid; treeName = _treeName; } @Override public Either<Error, TransactionManager> commit(TreeNode _newRoot, final TreeOperationLog _log) { ChangeSet cs = tip.getChangeSet(); long currentRevision = cs.revision(); long nextRevision = currentRevision + 1; ChangeList list = new ChangeList() { @Override public Iterator<TreeOperation> iterator() { return _log.iterator(); } @Override public String uuid() { return uuid; } @Override public String getTreeName() { return treeName; } }; IndexManager indexManager = new IndexManager(repository.getReservation()); InterfaceTraverser traverser = new InterfaceTraverser(_newRoot, indexManager, true); traverser.createIndex(); Index index = traverser.getIndex(); ParentIndex parentIndex = traverser.getParentIndex(); DefaultChangeSet newCs = new DefaultChangeSet(_newRoot, cs, list, uuid, treeName, nextRevision, index.getIndex(), parentIndex.getParentIndex()); DefaultTreeContext newContext = new DefaultTreeContext(_newRoot, newCs); @SuppressWarnings("rawtypes") Reservation reservation = repository.makeReservation(tip, newContext); if (reservation == null) { return DefaultEither.newA((Error) new DefaultError()); } Result r = writer.write(list); if (r != Result.SUCCESS) { return DefaultEither.newA((Error) new DefaultError()); } reservation.confirm(); TransactionManager txManager = new NetworkTransactionManager(treeName, writer, newContext, repository, uuid); return DefaultEither.newB(txManager); } @Override public long getRevision() { ChangeSet cs = tip.getChangeSet(); return cs.revision(); } @Override public String getUUID() { return uuid; } }