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1 package alice.datasegment;
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2
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3 import java.util.HashMap;
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4
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5 public enum CommandType {
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6 PUT,
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7 UPDATE, // remove a DataSegment value and put
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8 PEEK,
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9 TAKE,
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10 REMOVE,
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11 REPLY,
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12 CLOSE,
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13 FINISH,
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14 PING,
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15 RESPONSE;
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16
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17 public int id;
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18 public static HashMap<Integer, CommandType> hash = new HashMap<Integer, CommandType>();
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19 private static int lastId = 0;
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20
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21 private CommandType(int id) {
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22 this.id = id;
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23 setLastId(id);
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24 }
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25
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26 private CommandType() {
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27 this.id = incrementLastId();
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28 }
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29
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30 private void setLastId(int id) {
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31 lastId =id;
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32 }
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33
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34 private int incrementLastId() {
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35 return ++lastId;
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36 }
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37
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38 public static CommandType getCommandTypeFromId(int id) {
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39 return hash.get(id);
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40 }
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41
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42 static {
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43 for (CommandType type : CommandType.values()) {
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44 hash.put(type.id, type);
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45 }
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46 }
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47
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48 }
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