Mercurial > hg > Members > nobuyasu > jungle-network
diff src/alice/jungle/persistence/PersistentJungle.java @ 85:e641f559559c
Added some files for persistent
author | one |
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date | Mon, 28 Oct 2013 17:21:56 +0900 |
parents | |
children | f142dd4abc74 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/alice/jungle/persistence/PersistentJungle.java Mon Oct 28 17:21:56 2013 +0900 @@ -0,0 +1,57 @@ +package alice.jungle.persistence; + +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.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; + 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(String _name) + { + ChangeList list = new ChangeList(){ + @Override + public Iterator<TreeOperation> iterator() { + List<TreeOperation> nil = List.nil(); + return nil.iterator(); + } + }; + DefaultTreeNode root = new DefaultTreeNode(); + ChangeSet set = new PersistentChangeSet(root.getAsNode(),null,list,uuid,0, _name); + DefaultTreeContext<DefaultTreeNode> tc = new DefaultTreeContext<DefaultTreeNode>(root,set); + JungleTree newTree = new PersistentJungleTree<DefaultTreeNode>(_name, tc,uuid, (PersistentChangeListWriter)journal.getWriter(),editor); + if(trees.putIfAbsent(_name,newTree) != null){ + return null; + } + return newTree; + } + +}