Mercurial > hg > Members > shoshi > jungle > jungle-core
view src/main/java/jp/ac/u_ryukyu/ie/cr/jungle/transaction/manager/DefaultTransactionManager.java @ 287:3705cc48f74b
edit benchmark
author | tatsuki |
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date | Fri, 30 Dec 2016 21:12:37 +0900 |
parents | 1a36841024f2 |
children | fae289fa5f6c |
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package jp.ac.u_ryukyu.ie.cr.jungle.transaction.manager; import jp.ac.u_ryukyu.ie.cr.jungle.data.list.List; import jp.ac.u_ryukyu.ie.cr.jungle.persistent.ChangeList; import jp.ac.u_ryukyu.ie.cr.jungle.persistent.ChangeListWriter; import jp.ac.u_ryukyu.ie.cr.jungle.store.TreeContext; import jp.ac.u_ryukyu.ie.cr.jungle.store.index.Index; import jp.ac.u_ryukyu.ie.cr.jungle.store.index.ParentIndex; import jp.ac.u_ryukyu.ie.cr.jungle.store.logger.TreeOperationLog; import jp.ac.u_ryukyu.ie.cr.jungle.store.operations.TreeOperation; import jp.ac.u_ryukyu.ie.cr.jungle.transaction.DefaultTreeContext; import jp.ac.u_ryukyu.ie.cr.jungle.transaction.node.TreeNode; import jp.ac.u_ryukyu.ie.cr.jungle.traverser.InterfaceTraverser; import jp.ac.u_ryukyu.ie.cr.jungle.util.DefaultEither; import jp.ac.u_ryukyu.ie.cr.jungle.util.Either; import jp.ac.u_ryukyu.ie.cr.jungle.util.Error.DefaultError; import jp.ac.u_ryukyu.ie.cr.jungle.util.Error.Error; import java.util.Iterator; import java.util.concurrent.atomic.AtomicReference; public class DefaultTransactionManager implements TransactionManager { private final AtomicReference<TreeContext> repository; private final TreeContext tip; private final ChangeListWriter writer; private final String uuid; public DefaultTransactionManager(ChangeListWriter _writer, TreeContext _tip, AtomicReference<TreeContext> _repository, String _uuid) { repository = _repository; tip = _tip; writer = _writer; uuid = _uuid; } @Override public Either<Error, TransactionManager> commit(TreeNode newRoot, final TreeOperationLog _log, List<TreeNode> editNodeList) { long currentRevision = tip.revision(); long nextRevision = currentRevision + 1; final String _treeName = tip.getTreeName(); ChangeList list = new ChangeList() { @Override public Iterator<TreeOperation> iterator() { return _log.iterator(); } @Override public String getTreeName() { return _treeName; } @Override public TreeOperationLog getLog() { return _log; } @Override public String uuid() { return uuid; } }; Index index = tip.getIndex(); ParentIndex parentIndex = tip.getParentIndex(); InterfaceTraverser traverser = new InterfaceTraverser(newRoot, index, parentIndex, true); traverser.updateIndex(editNodeList); //traverser.createIndex(); //System.out.println("end"); TreeContext newTreeContext = new DefaultTreeContext(newRoot, tip, list, uuid, _treeName, nextRevision, traverser); if (repository.compareAndSet(newTreeContext.prev(), newTreeContext)) { TransactionManager txManager = new DefaultTransactionManager(writer, newTreeContext, repository, uuid); return DefaultEither.newB(txManager); } return DefaultEither.newA((Error) new DefaultError()); } @Override public Either<Error, TransactionManager> flashCommit(TreeNode _newRoot, TreeOperationLog _log) { return null;//commit(_newRoot, _log); } @Override public boolean setAppendedNode(TreeNode appendedNode) { return false; //使わない } @Override public String getUUID() { return uuid; } @Override public long getRevision() { return tip.revision(); } }