Mercurial > hg > Members > tatsuki > bench > jungle-core
view src/main/java/jp/ac/u_ryukyu/ie/cr/shoshi/jungle/traverser/InterfaceTraverser.java @ 113:6a35bd6e5887
change Attribute
author | one |
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date | Tue, 16 Sep 2014 07:48:34 +0900 |
parents | 98e256d9fd57 |
children | b006861cb795 |
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package jp.ac.u_ryukyu.ie.cr.shoshi.jungle.traverser; import java.util.Iterator; import fj.Ord; import fj.data.List; import fj.data.TreeMap; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.JungleTree; 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.impl.TreeNode; 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.Pair; import jp.ac.u_ryukyu.ie.cr.tatsuki.jungle.query.PathNodeIterator; import jp.ac.u_ryukyu.ie.cr.tatsuki.jungle.query.Query; import jp.ac.u_ryukyu.ie.cr.tatsuki.jungle.query.SearchQuery; import jp.ac.u_ryukyu.ie.cr.tatsuki.jungle.query.UpdateQuery; public class InterfaceTraverser { InterfaceTraverser traverser; TreeNode node; TreeMap<String, TreeMap<String, List<Pair<TreeNode, NodePath>>>> index; JungleTreeEditor editor; public InterfaceTraverser(TreeNode _root, JungleTreeEditor editor) { this.node = _root; this.index = TreeMap.empty(Ord.stringOrd); this.editor = editor; } public InterfaceTraverser(TreeNode _root, TreeMap<String, TreeMap<String, List<Pair<TreeNode, NodePath>>>> index, JungleTreeEditor editor) { this.node = _root; this.index = index; this.editor = editor; } public InterfaceTraverser getTraverser(JungleTree tree) { return new InterfaceTraverser(tree.getRootNode(), tree.getIndex(), tree.getTreeEditor()); } public void set(TreeNode root){ this.node = root; } /* * public IteratorPathNode traverse(TreeNode _node ,NodePath _path ,int * _pos){ * * Children children = _node.getChildren(); Either<Error,TreeNode> either = * children.at(0); IteratorPathNode list = new IteratorPathNodeImpl(); int * pathCount = _pos; if(children.size() == 0){ list = list.add(new * Pair<TreeNode, NodePath>(node, _path.add(_pos))); return list; } * * for(TreeNode child : children){ list = * list.append(traverse(child,_path,pathCount)); pathCount++; } * * list = list.add(new Pair<TreeNode,NodePath>(_node, _path.add(_pos))); * return list; } * * public int count(Query _query, String _key, String _attribute){ return * this.find(_query,_key,_attribute); } * * public List<Pair<NodePath,TreeNode>> distinct(String _key ,String... * _attribute){ return null; } */ public JungleTreeEditor update(final Query query) { /*Iterator<Pair<TreeNode, NodePath>> findNode = find(query); //do { for (; findNode.hasNext();) { Either<Error, JungleTreeEditor> either = editor.putAttribute(findNode.next().right(), "KEY", query.getUpdateAttribute()); if (either.isA()) ;// wait delay write editor = either.b(); } //} while (editor.success().isA()); */ return editor; } public Iterator<Pair<TreeNode, NodePath>> find(final Query query) { final PathNodeIterator itNode = new PathNodeIterator(node, query); return new Iterator<Pair<TreeNode, NodePath>>() { private Pair<TreeNode, NodePath> matchPair = nextmatch(itNode); private Pair<TreeNode, NodePath> nextmatch(PathNodeIterator itNode) { for (; itNode.hasNext();) { Pair<TreeNode, NodePath> pathNode = itNode.next(); if (query.condition(pathNode.left())) return pathNode; } return null; } @Override public boolean hasNext() { return matchPair != null; } @Override public Pair<TreeNode, NodePath> next() { Pair<TreeNode, NodePath> currentPair = matchPair; matchPair = nextmatch(itNode); return currentPair; } @Override public void remove() { // TODO Auto-generated method stub } }; } }