1 | /*
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2 | * Created on Nov 2, 2004
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3 | * Copyright (C) Andrea Schweer, 2004
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4 | *
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5 | * This file is part of the Greenstone Alerting Service.
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6 | * Refer to the COPYING file in the base directory of this package
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7 | * for licensing information.
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8 | */
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9 | package org.greenstone.gsdlas.profiles;
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10 |
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11 | import java.util.*;
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12 | import java.util.Set;
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13 | import java.util.TreeSet;
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14 |
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15 | /**
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16 | * @author schweer
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17 | *
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18 | * TODO To change the template for this generated type comment go to
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19 | * Window - Preferences - Java - Code Style - Code Templates
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20 | */
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21 | public abstract class Predicate implements Comparable {
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22 |
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23 | protected Set subscriptions = new TreeSet();
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24 | protected String field;
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25 | protected String value;
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26 | protected int id;
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27 |
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28 | public void addSubscription(Subscription sub) {
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29 | subscriptions.add(sub);
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30 | }
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31 |
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32 | /* (non-Javadoc)
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33 | * @see org.greenstone.gsdlas.profiles.Predicate#getSubscriptions()
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34 | */
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35 | public Set getSubscriptions() {
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36 | return Collections.unmodifiableSet(subscriptions);
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37 | }
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38 |
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39 | public int getID() {
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40 | return id;
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41 | }
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42 |
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43 | public void setID(int i) {
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44 | this.id = i;
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45 | }
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46 |
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47 | /* (non-Javadoc)
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48 | * @see org.greenstone.gsdlas.profiles.Predicate#getKey()
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49 | */
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50 | public String getField() {
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51 | return field;
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52 | }
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53 |
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54 | /* (non-Javadoc)
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55 | * @see org.greenstone.gsdlas.profiles.Predicate#getValue()
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56 | */
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57 | public String getValue() {
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58 | return value;
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59 | }
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60 |
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61 | public String toString() {
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62 | return field + "=" + value;
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63 | }
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64 |
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65 | public boolean equals(Object other) {
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66 | if (other == null || !(other instanceof Predicate)) return false;
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67 | return id == ((Predicate)other).getID();
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68 | }
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69 |
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70 | public int compareTo(Object other) {
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71 | Predicate otherPredicate = (Predicate) other;
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72 | return new Integer(id).compareTo(new Integer(otherPredicate.getID()));
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73 | }
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74 |
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75 | public abstract boolean isSatisfied(Map event);
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76 |
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77 | }
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