Mercurial > hg > Members > shoshi > TreeCMSv2
annotate src/treecms/memory/OnMemoryForest.java @ 6:12604eb6b615
added javadoc
| author | shoshi |
|---|---|
| date | Mon, 14 Mar 2011 23:24:38 +0900 |
| parents | f5ed85be5640 |
| children | fc19e38b669b |
| rev | line source |
|---|---|
| 2 | 1 package treecms.memory; |
| 2 | |
| 6 | 3 import java.util.Map; |
| 2 | 4 import java.util.Random; |
| 5 import java.util.UUID; | |
| 6 import java.util.concurrent.ConcurrentHashMap; | |
| 7 import treecms.api.Forest; | |
| 8 import treecms.api.Node; | |
|
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f5ed85be5640
finished treecms.cassandra.v1 implementation (not tested yet)
shoshi
parents:
3
diff
changeset
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9 import treecms.api.NodeData; |
| 2 | 10 import treecms.api.NodeID; |
| 6 | 11 import treecms.tree.id.AbstractRandomNodeID; |
| 2 | 12 |
| 13 public class OnMemoryForest implements Forest | |
| 14 { | |
| 6 | 15 Map<NodeID,OnMemoryNode> m_table; |
| 16 Map<String,OnMemoryNode> m_tipTable; | |
| 2 | 17 |
| 18 public OnMemoryForest() | |
| 19 { | |
| 20 m_table = new ConcurrentHashMap<NodeID,OnMemoryNode>(); | |
| 6 | 21 m_tipTable = new ConcurrentHashMap<String,OnMemoryNode>(); |
| 2 | 22 } |
| 23 | |
|
4
f5ed85be5640
finished treecms.cassandra.v1 implementation (not tested yet)
shoshi
parents:
3
diff
changeset
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24 public OnMemoryNode createNode(NodeID _id,NodeData _newData) |
| 2 | 25 { |
|
4
f5ed85be5640
finished treecms.cassandra.v1 implementation (not tested yet)
shoshi
parents:
3
diff
changeset
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26 NodeID newID = (_id != null) ? _id : createID(); |
|
f5ed85be5640
finished treecms.cassandra.v1 implementation (not tested yet)
shoshi
parents:
3
diff
changeset
|
27 NodeData newData = (_newData != null) ? _newData : new NodeData(); |
|
f5ed85be5640
finished treecms.cassandra.v1 implementation (not tested yet)
shoshi
parents:
3
diff
changeset
|
28 OnMemoryNode newNode = new OnMemoryNode(this,newID,newData); |
| 6 | 29 |
|
4
f5ed85be5640
finished treecms.cassandra.v1 implementation (not tested yet)
shoshi
parents:
3
diff
changeset
|
30 m_table.put(newID,newNode); |
| 6 | 31 m_tipTable.put(newID.getUUID(),newNode); |
| 32 | |
|
3
5fa718b63cd5
finished treecms.memory basic implementation ( not tested yet. )
shoshi
parents:
2
diff
changeset
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33 return newNode; |
| 2 | 34 } |
| 35 | |
| 36 NodeID createID() | |
| 37 { | |
| 6 | 38 return new RandomNodeID(null); |
| 2 | 39 } |
| 40 | |
| 41 @Override | |
| 42 public Node get(NodeID _id) | |
| 43 { | |
| 44 return m_table.get(_id); | |
| 45 } | |
| 46 | |
| 47 @Override | |
| 48 public Node create() | |
| 49 { | |
|
4
f5ed85be5640
finished treecms.cassandra.v1 implementation (not tested yet)
shoshi
parents:
3
diff
changeset
|
50 return createNode(null,null); |
| 2 | 51 } |
| 52 | |
| 6 | 53 class RandomNodeID extends AbstractRandomNodeID |
| 2 | 54 { |
| 55 String m_uuid; | |
| 56 long m_version; | |
| 57 | |
| 6 | 58 public RandomNodeID(String _uuid) |
| 2 | 59 { |
| 60 if(_uuid != null){ | |
| 61 m_uuid = _uuid; | |
| 62 }else{ | |
| 63 m_uuid = UUID.randomUUID().toString(); | |
| 64 } | |
| 65 m_version = (new Random()).nextLong(); | |
| 66 } | |
| 67 | |
| 68 @Override | |
| 69 public NodeID create() | |
| 70 { | |
| 6 | 71 return new RandomNodeID(null); |
| 2 | 72 } |
| 73 | |
| 74 @Override | |
| 75 public NodeID update() | |
| 76 { | |
| 6 | 77 return new RandomNodeID(m_uuid); |
| 2 | 78 } |
| 79 | |
| 80 @Override | |
| 81 public String getUUID() | |
| 82 { | |
| 83 return m_uuid; | |
| 84 } | |
| 85 | |
| 86 @Override | |
| 87 public String getVersion() | |
| 88 { | |
| 89 return Long.toHexString(m_version); | |
| 90 } | |
| 91 } | |
| 92 } |