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1 package alice.jungle.persistent;
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85
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2
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3 import java.io.File;
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4 import java.io.FileInputStream;
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5 import java.io.FileNotFoundException;
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6 import java.io.FileOutputStream;
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7 import java.io.IOException;
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8 import java.io.InputStream;
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9 import java.io.OutputStream;
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10
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11 import org.msgpack.MessagePack;
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12
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13 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.persistent.ChangeListReader;
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14 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.persistent.ChangeListWriter;
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15 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.persistent.Journal;
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16
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17 public class PersistentJournal implements Journal {
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18
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19 private static ChangeListWriter WRITER;
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20 private static ChangeListReader READER;
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21 private static MessagePack msgpack;
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22 private static OutputStream out = null;
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23 private static InputStream in = null;
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24
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25 static {
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26 msgpack = new MessagePack();
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27 }
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28
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29 public PersistentJournal() {
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30 }
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31
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32 public PersistentJournal(File file) throws FileNotFoundException {
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33 out = new FileOutputStream(file);
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34 in = new FileInputStream(file);
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35 WRITER = new PersistentChangeListWriter(out);
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36 READER = new PersistentChangeListReader(in);
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37 }
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38
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39 @Override
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40 public ChangeListReader getReader() {
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41 return READER;
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42 }
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43
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44 @Override
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45 public ChangeListWriter getWriter() {
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46 return WRITER;
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47 }
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48
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49 public void setOutputFile(File file) throws FileNotFoundException {
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50 out = new FileOutputStream(file);
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51 WRITER = new PersistentChangeListWriter(out);
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52 }
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53
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54 public void setInputFile(File file) throws FileNotFoundException {
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55 in = new FileInputStream(file);
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56 READER = new PersistentChangeListReader(in);
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57 }
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58
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59 public void close() throws IOException {
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60 out.close();
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61 in.close();
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62 }
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63
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64 public void setOutputStream(OutputStream _out) {
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65 out = _out;
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66 }
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67
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68 public OutputStream getOutputStream() {
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69 return out;
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70 }
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71
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72 public void setInputStream(InputStream _in) {
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73 in = _in;
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74 }
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75
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76 public InputStream getInputStream() {
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77 return in;
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78 }
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79
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80 public static MessagePack getMsgPackInstance() {
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81 return msgpack;
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82 }
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83
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84 }
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