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1 package jungle.test.codesegment.persistence;
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2
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3 import java.nio.ByteBuffer;
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4
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31
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5 import alice.jungle.datasegment.store.operations.DefaultNodeOperationContainer;
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6 import alice.jungle.datasegment.store.operations.DefaultTreeOperationContainer;
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7
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8 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.persistent.ChangeList;
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9 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.persistent.ChangeListReader;
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10 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.persistent.ChangeListWriter;
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11 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.persistent.Journal;
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12 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.persistent.Result;
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13 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.Command;
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14 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.NodePath;
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15 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.NodeOperation;
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16 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.TreeOperation;
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17
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18 public class AliceJournal implements Journal {
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19
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20 private static final AliceChangeListWriter ALICE_WRITER = new AliceChangeListWriter();
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21 private static final AliceChangeListReader ALICE_READER = new AliceChangeListReader();
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22 @Override
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23 public ChangeListReader getReader() {
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24 return ALICE_READER;
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25 }
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26 @Override
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27 public ChangeListWriter getWriter() {
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28 return ALICE_WRITER;
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29 }
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30
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31 private static class AliceChangeListWriter implements ChangeListWriter
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32 {
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33 @Override
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34 public Result write(ChangeList _operations)
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35 {
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36 for(TreeOperation op : _operations){
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37 NodePath p = op.getNodePath();
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38 NodeOperation nodeOp = op.getNodeOperation();
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39 Command c = nodeOp.getCommand();
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40 String args = "";
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41 switch(c){
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42 case PUT_ATTRIBUTE:
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43 String key = nodeOp.getKey();
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44 ByteBuffer value = nodeOp.getValue();
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45 if(value.limit() < 100){
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46 args = String.format("key:%s,value:%s",key,new String(value.array()));
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47 }else{
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48 args = String.format("key:%s,value:%d",key,value.limit());
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49 }
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50 break;
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51 case DELETE_ATTRIBUTE:
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52 args = String.format("key:%s",nodeOp.getKey());
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53 break;
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54 case APPEND_CHILD:
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55 args = String.format("pos:%d",nodeOp.getPosition());
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56 break;
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57 case DELETE_CHILD:
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58 args = String.format("pos:%d",nodeOp.getPosition());
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59 break;
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60 }
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61 System.out.println(String.format("[%s:%s:%s]",c,p,args));
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62 }
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63 return Result.SUCCESS;
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64 }
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65 }
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66
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67 private static class AliceChangeListReader implements ChangeListReader
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68 {
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69 @Override
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70 public ChangeListReader newReader()
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71 {
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72 return this;
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73 }
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74
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75 @Override
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76 public ChangeList read()
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77 {
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78 return null;
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79 }
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80 }
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81
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82
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83 }
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