Mercurial > hg > Members > tatsuki > bench > jungle-core
view src/main/java/jp/ac/u_ryukyu/ie/cr/shoshi/jungle/transaction/DefaultJungleTreeEditor.java @ 97:a1e20a440ddd
add BruteForceTraverser
author | one |
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date | Mon, 08 Sep 2014 17:03:08 +0900 |
parents | ef68358ed0e8 |
children | 9a7b7af838e0 |
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package jp.ac.u_ryukyu.ie.cr.shoshi.jungle.transaction; import java.nio.ByteBuffer; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.JungleTreeEditor; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.NodePath; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.TreeEditor; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.TreeNode; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.logger.DefaultTreeOperationLog; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.logger.LoggingNode; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.logger.OperationLog; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.logger.TreeOperationLog; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.DefaultTreeOperation; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.NodeOperation; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.TreeOperation; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.AppendChildAt; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.DeleteAttribute; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.DeleteChildAt; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.NodeEditor; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.PutAttribute; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.DefaultEither; 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.shoshi.jungle.util.IterableConverter; public class DefaultJungleTreeEditor implements JungleTreeEditor { private final TransactionManager txManager; private final TreeNode root; private final TreeEditor editor; private final TreeOperationLog log; public DefaultJungleTreeEditor(TreeNode _root,TransactionManager _txManager,TreeEditor _editor) { this(_root,_txManager,_editor,new DefaultTreeOperationLog()); } public DefaultJungleTreeEditor(TreeNode newNode,TransactionManager _txManager,TreeEditor _editor,TreeOperationLog _log) { root = newNode; txManager = _txManager; editor = _editor; log = _log; } private Either<Error,JungleTreeEditor> _edit(final NodePath _path,NodeEditor _e) { //LoggingNodeHook hook = new LoggingNodeHook(_e); Either<Error,LoggingNode> either = editor.edit(root,_path,_e); if(either.isA()){ return DefaultEither.newA(either.a()); } LoggingNode newLogging = either.b(); OperationLog newLog = newLogging.getOperationLog(); TreeNode newNode = newLogging.getWrap(); IterableConverter.Converter<TreeOperation,NodeOperation> converter = new IterableConverter.Converter<TreeOperation,NodeOperation>(){ @Override public TreeOperation conv(NodeOperation _b){ return new DefaultTreeOperation(_path,_b); } }; Iterable<TreeOperation> iterable = new IterableConverter<TreeOperation,NodeOperation>(newLog,converter); DefaultTreeOperationLog treeOperationLog = new DefaultTreeOperationLog(iterable,newLog.length()); TreeOperationLog newTreeOpLog = log.append(treeOperationLog); JungleTreeEditor newEditor = new DefaultJungleTreeEditor(newNode,txManager,editor,newTreeOpLog); return DefaultEither.newB(newEditor); } @Override public Either<Error,JungleTreeEditor> addNewChildAt(NodePath _path, int _pos) { AppendChildAt appendChildAt = new AppendChildAt(_pos); return _edit(_path,appendChildAt); } @Override public Either<Error,JungleTreeEditor> deleteChildAt(NodePath _path, int _pos) { DeleteChildAt deleteChildAt = new DeleteChildAt(_pos); return _edit(_path,deleteChildAt); } @Override public Either<Error,JungleTreeEditor> putAttribute(NodePath _path,String _key,ByteBuffer _value) { PutAttribute putAttribute = new PutAttribute(_key,_value); return _edit(_path,putAttribute); } @Override public Either<Error,JungleTreeEditor> deleteAttribute(NodePath _path, String _key) { DeleteAttribute deleteAttribute = new DeleteAttribute(_key); return _edit(_path,deleteAttribute); } @Override public Either<Error,JungleTreeEditor> edit(NodePath _path,NodeEditor _editor) { return _edit(_path,_editor); } @Override public Either<Error,JungleTreeEditor> success() { Either<Error,TransactionManager> either = txManager.commit(root,log); if(either.isA()){ return DefaultEither.newA(either.a()); } TransactionManager newTxManager = either.b(); JungleTreeEditor newTreeEditor = new DefaultJungleTreeEditor(root,newTxManager,editor); return DefaultEither.newB(newTreeEditor); } @Override public String getID() { return txManager.getUUID(); } @Override public String getRevision() { return Long.toString(txManager.getRevision()); } @Override public TreeNode getRoot() { return null; } }