Mercurial > hg > Members > nobuyasu > jungle-network
view src/main/java/alice/jungle/persistent/PersistentJungle.java @ 179:d6944d788121
fit Junglecore
author | tatsuki |
---|---|
date | Thu, 04 Sep 2014 13:12:25 +0900 |
parents | 6f104ab4eb81 |
children | 5d0734fd859d |
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package alice.jungle.persistent; import java.util.Iterator; import java.util.concurrent.ConcurrentHashMap; import fj.data.List; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.Jungle; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.JungleTree; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.persistent.ChangeList; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.ChangeSet; 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.operations.TreeOperation; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.transaction.DefaultTreeContext; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.transaction.DefaultTreeNode; public class PersistentJungle implements Jungle { private PersistentJournal journal; private ConcurrentHashMap<String,JungleTree> trees; final private String uuid; private TreeEditor editor; public PersistentJungle(PersistentJournal _journal,String _uuid,TreeEditor _editor) { journal = _journal; trees = new ConcurrentHashMap<String,JungleTree>(); uuid = _uuid; editor = _editor; } @Override public JungleTree getTreeByName(String _name) { return trees.get(_name); } @Override public JungleTree createNewTree(final String _name) { ChangeList list = new ChangeList(){ @Override public Iterator<TreeOperation> iterator() { List<TreeOperation> nil = List.nil(); return nil.iterator(); } @Override public String uuid() { return uuid; } @Override public String getTreeName() { return _name; } }; TreeNode root = new DefaultTreeNode(); ChangeSet set = new PersistentChangeSet(root,null,list,uuid,_name,0); DefaultTreeContext tc = new DefaultTreeContext(root,set); JungleTree newTree = new PersistentJungleTree(_name, tc,uuid, journal.getWriter(),editor); if(trees.putIfAbsent(_name,newTree) != null){ return null; } return newTree; } }