Mercurial > hg > Members > shoshi > jungle > jungle-core
view src/main/java/jp/ac/u_ryukyu/ie/cr/jungleNetwork/persistent/PersistentJungleTreeEditor.java @ 329:2a0cb1f0ba4e
rename Error package
author | kono |
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date | Sat, 08 Jul 2017 21:05:55 +0900 |
parents | de68d37fec80 |
children |
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package jp.ac.u_ryukyu.ie.cr.jungleNetwork.persistent; import jp.ac.u_ryukyu.ie.cr.jungle.data.list.List; import jp.ac.u_ryukyu.ie.cr.jungle.store.logger.DefaultTreeOperationLog; import jp.ac.u_ryukyu.ie.cr.jungle.store.logger.LoggingNode; import jp.ac.u_ryukyu.ie.cr.jungle.store.logger.OperationLog; import jp.ac.u_ryukyu.ie.cr.jungle.store.logger.TreeOperationLog; import jp.ac.u_ryukyu.ie.cr.jungle.store.nodepath.DefaultNodePath; import jp.ac.u_ryukyu.ie.cr.jungle.store.nodepath.NodePath; import jp.ac.u_ryukyu.ie.cr.jungle.store.operations.DefaultTreeOperation; import jp.ac.u_ryukyu.ie.cr.jungle.store.operations.NodeOperation; import jp.ac.u_ryukyu.ie.cr.jungle.store.operations.TreeOperation; import jp.ac.u_ryukyu.ie.cr.jungle.store.trasnformer.*; import jp.ac.u_ryukyu.ie.cr.jungle.transaction.editor.jungleTreeEditor.JungleTreeEditor; import jp.ac.u_ryukyu.ie.cr.jungle.transaction.editor.treeEditor.TreeEditor; import jp.ac.u_ryukyu.ie.cr.jungle.transaction.manager.TransactionManager; import jp.ac.u_ryukyu.ie.cr.jungle.transaction.node.TreeNode; 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.jungleError.Error; import jp.ac.u_ryukyu.ie.cr.jungle.util.IterableConverter; import java.nio.ByteBuffer; public class PersistentJungleTreeEditor implements JungleTreeEditor { private final TransactionManager txManager; private final TreeNode root; private final TreeEditor editor; private final TreeOperationLog log; private final List<TreeNode> editedNodeList = new List<>(); public PersistentJungleTreeEditor(TreeNode _root, TransactionManager _txManager, TreeEditor _editor) { this(_root, _txManager, _editor, new DefaultTreeOperationLog()); } public PersistentJungleTreeEditor(TreeNode newNode, TransactionManager _txManager, TreeEditor _editor, TreeOperationLog _log) { this.root = newNode; this.txManager = _txManager; this.editor = _editor; this.log = _log; } private Either<Error, JungleTreeEditor> _edit(final NodePath _path, NodeEditor _e) { Either<Error, LoggingNode> editEither = editor.edit(root, _path, _e); if (editEither.isA()) { return DefaultEither.newA(editEither.a()); } LoggingNode newLogging = editEither.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<>(newLog, converter); DefaultTreeOperationLog treeOperationLog = new DefaultTreeOperationLog(iterable, newLog.length()); TreeOperationLog newTreeOpLog = log.append(treeOperationLog); JungleTreeEditor newEditor = new PersistentJungleTreeEditor(newNode, txManager, editor, newTreeOpLog); return DefaultEither.newB(newEditor); } @Override public Either<Error, JungleTreeEditor> replaceNewRootNode() { ReplaceRootNodeAt replaceRootNodeAt = new ReplaceRootNodeAt(); return _edit(new DefaultNodePath(), replaceRootNodeAt); } @Override public Either<Error, JungleTreeEditor> addNewChildAt(NodePath _path, int _pos) { AppendChildAt appendChildAt = new AppendChildAt(_pos); return _edit(_path, appendChildAt); } @Override public Either<Error, JungleTreeEditor> addNewChildAndPutAttribute(NodePath path, int pos, String key, ByteBuffer value) { AppendChildAndPutAttribute appendChildAndPutAttribute = new AppendChildAndPutAttribute(key,value,pos); return _edit(path,appendChildAndPutAttribute); } @Override public Either<Error, JungleTreeEditor> deleteChildAt(NodePath _path, int _pos) { DeleteChildAt deleteChildAt = new DeleteChildAt(_pos); return _edit(_path, deleteChildAt); } @Override public Either<Error, JungleTreeEditor> moveChild(NodePath path,int childNum, String move) { MoveChild movechild = new MoveChild(move, childNum); return _edit(path,movechild); } @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,editedNodeList); if (either.isA()) { return DefaultEither.newA(either.a()); } TransactionManager newTxManager = either.b(); JungleTreeEditor newTreeEditor; newTreeEditor = new PersistentJungleTreeEditor(root, newTxManager, editor, log); return DefaultEither.newB(newTreeEditor); } @Override public Either<Error, JungleTreeEditor> flushSuccess() { Either<Error, TransactionManager> either = txManager.flashCommit(root, log); if (either.isA()) { return DefaultEither.newA(either.a()); } TransactionManager newTxManager = either.b(); JungleTreeEditor newTreeEditor; newTreeEditor = new PersistentJungleTreeEditor(root, newTxManager, editor, log); return DefaultEither.newB(newTreeEditor); } }