Last change
on this file since 111 was
44,
checked in by stoda, 11 years ago
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Objectmq converted to maven project
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File size:
827 bytes
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1 | package omq.common.event; |
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2 | |
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3 | /** |
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4 | * Abstract class that enables to create new EventListeners. The eventListeners |
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5 | * are done to execute the notifyEvent function. |
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6 | * |
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7 | * @author Sergi Toda <sergi.toda@estudiants.urv.cat> |
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8 | * |
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9 | */ |
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10 | public abstract class EventListener<E extends Event> { |
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11 | private String topic; |
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12 | |
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13 | public EventListener() { |
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14 | topic = null; |
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15 | } |
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16 | |
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17 | /** |
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18 | * Constructor. This constructor uses a String to indicate manually which |
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19 | * event we want to receive |
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20 | * |
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21 | * @param topic |
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22 | */ |
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23 | public EventListener(String topic) { |
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24 | this.topic = topic; |
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25 | } |
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26 | |
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27 | /** |
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28 | * Whenever this listener it's notified of an event, will execute this |
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29 | * function |
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30 | * |
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31 | * @param event |
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32 | */ |
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33 | public abstract void notifyEvent(E event); |
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34 | |
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35 | public void setTopic(String topic) { |
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36 | this.topic = topic; |
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37 | } |
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38 | |
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39 | public String getTopic() { |
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40 | return topic; |
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41 | } |
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42 | |
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43 | } |
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