Mercurial > hg > Database > jungle-sharp

annotate Main/jungle-main/DefaultJungleTree.cs @ 31:1466993c104c

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byte[] to object Rewrite.
author Kazuma Takeda
date Fri, 20 Jan 2017 07:08:03 +0900
parents 1f99e150f336
children
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3 namespace JungleDB {
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4 public class DefaultJungleTree : JungleTree {
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5
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6 private AtomicReference<TreeContext> repository;
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7 private string uuid;
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8 private ChangeListWriter writer;
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9 private TreeEditor treeEditor;
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12 public DefaultJungleTree(TreeContext tc, string uuid, ChangeListWriter writer, TreeEditor editor) {
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13 this.repository = new AtomicReference<TreeContext>(tc);
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14 this.uuid = uuid;
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15 this.writer = writer;
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16 this.treeEditor = editor;
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17 }
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18
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19 public JungleTreeEditor getTreeEditor() {
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20 TreeContext tc = repository.Get ();
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21 DefaultTransactionManager txManager = new DefaultTransactionManager(writer, tc, repository, uuid);
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22 TreeNode root = tc.getRoot();
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23 return new DefaultJungleTreeEditor(root, txManager, treeEditor);
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24 }
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25
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26 public JungleTreeEditor getLocalTreeEditor() {
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27 return getTreeEditor ();
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28 }
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29
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30 public TreeNode getRootNode() {
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31 TreeContext tc = repository.Get();
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32 return tc.getRoot(); // default jungle innner change list?
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33 }
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34
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35 public InterfaceTraverser getTraverser(bool useIndex) {
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36 TreeContext tc = repository.Get();
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37 return tc.getTraverser();
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38 }
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39
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40 public TreeMap<string, TreeMap<string, List<TreeNode>>> getIndex() {
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41 TreeContext tc = repository.Get();
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42 return tc.getIndex();
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43 }
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44
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45 public long revision() {
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46 TreeContext tc = repository.Get();
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47 return tc.getRevision();
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48 }
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49
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50 public Either<Error, JungleTree> getOldTree(long revision) {
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51 TreeContext tc = repository.Get();
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52
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53 for (; tc.getRevision() != revision; ) {
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54 tc = tc.prev();
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55 if (tc == null)
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56 return DefaultEither<Error, JungleTree>.newA(GetOldTreeError.OLD_TREE_NOT_FOUND);
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57 }
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60 string oldTreeUuid = uuid + revision;
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61 JungleTree oldTree = new DefaultJungleTree(tc, oldTreeUuid, writer, treeEditor);
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62 return DefaultEither<Error, JungleTree>.newB(oldTree);
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63 }
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64
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65 public Either<Error, TreeNode> getNodeOfPath(NodePath path) { //eitherはどちらのインターフェースをつかうか、みたいな
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66 TreeNode node = repository.Get().getRoot();
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67 foreach (int num in path) {
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68 if (num == -1)
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69 continue;
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70 Either<Error, TreeNode> either = node.getChildren().at(num);
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71 if (either.isA())
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72 return either;
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73 node = either.b();
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74 }
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75 return DefaultEither<Error, TreeNode>.newB(node);
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76 }
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77
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78 public void setBufferSize(int _bufferSize) {
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79 // not use
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80 }
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81
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82 }
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83 }