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package org.mule.context.notification; |
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import org.mule.api.context.notification.ServerNotification; |
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import org.mule.api.context.notification.ServerNotificationListener; |
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import java.util.Collection; |
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import java.util.HashMap; |
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import java.util.HashSet; |
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import java.util.Iterator; |
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import java.util.Map; |
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import java.util.Set; |
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import edu.emory.mathcs.backport.java.util.concurrent.ConcurrentHashMap; |
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import edu.emory.mathcs.backport.java.util.concurrent.ConcurrentMap; |
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class Policy |
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{ |
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35 | 1206 | private Map eventToSenders = new HashMap(); |
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39 | 1206 | private ConcurrentMap knownEventsExact = new ConcurrentHashMap(); |
40 | 1206 | private ConcurrentMap knownEventsSuper = new ConcurrentHashMap(); |
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Policy(Map interfaceToEvents, Set listenerSubscriptionPairs, Set disabledInterfaces, Set disabledEvents) |
51 | 1206 | { |
52 | 1206 | for (Iterator pairs = listenerSubscriptionPairs.iterator(); pairs.hasNext();) |
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{ |
54 | 68 | ListenerSubscriptionPair pair = (ListenerSubscriptionPair) pairs.next(); |
55 | 68 | ServerNotificationListener listener = pair.getListener(); |
56 | 68 | for (Iterator interfaces = interfaceToEvents.keySet().iterator(); interfaces.hasNext();) |
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{ |
58 | 316 | Class iface = (Class) interfaces.next(); |
59 | 316 | if (notASubclassOfAnyClassInSet(disabledInterfaces, iface)) |
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{ |
61 | 312 | if (iface.isAssignableFrom(listener.getClass())) |
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{ |
63 | 74 | for (Iterator events = ((Collection) interfaceToEvents.get(iface)).iterator(); events.hasNext();) |
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{ |
65 | 76 | Class event = (Class) events.next(); |
66 | 76 | if (notASubclassOfAnyClassInSet(disabledEvents, event)) |
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{ |
68 | 66 | knownEventsExact.put(event, Boolean.TRUE); |
69 | 66 | knownEventsSuper.put(event, Boolean.TRUE); |
70 | 66 | if (!eventToSenders.containsKey(event)) |
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{ |
72 | 62 | eventToSenders.put(event, new HashSet()); |
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} |
74 | 66 | ((Collection) eventToSenders.get(event)).add(new Sender(pair)); |
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} |
76 | 76 | } |
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} |
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} |
79 | 316 | } |
80 | 68 | } |
81 | 1206 | } |
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protected static boolean notASubclassOfAnyClassInSet(Set set, Class clazz) |
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{ |
85 | 392 | for (Iterator iterator = set.iterator(); iterator.hasNext();) |
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{ |
87 | 26 | Class disabled = (Class) iterator.next(); |
88 | 26 | if (disabled.isAssignableFrom(clazz)) |
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{ |
90 | 14 | return false; |
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} |
92 | 12 | } |
93 | 378 | return true; |
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} |
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protected static boolean notASuperclassOfAnyClassInSet(Set set, Class clazz) |
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{ |
98 | 0 | for (Iterator iterator = set.iterator(); iterator.hasNext();) |
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{ |
100 | 0 | Class disabled = (Class) iterator.next(); |
101 | 0 | if (clazz.isAssignableFrom(disabled)) |
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{ |
103 | 0 | return false; |
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} |
105 | 0 | } |
106 | 0 | return true; |
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} |
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void dispatch(ServerNotification notification) |
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{ |
111 | 10887 | if (null != notification) |
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{ |
113 | 10887 | Class notfnClass = notification.getClass(); |
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115 | 10887 | if ((!knownEventsExact.containsKey(notfnClass)) |
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|| ((Boolean) knownEventsExact.get(notfnClass)).booleanValue()) |
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{ |
118 | 2826 | boolean found = false; |
119 | 2826 | for (Iterator events = eventToSenders.keySet().iterator(); events.hasNext();) |
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{ |
121 | 218 | Class event = (Class) events.next(); |
122 | 218 | if (event.isAssignableFrom(notfnClass)) |
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{ |
124 | 124 | found = true; |
125 | 124 | for (Iterator senders = ((Collection) eventToSenders.get(event)).iterator(); senders.hasNext();) |
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{ |
127 | 144 | ((Sender) senders.next()).dispatch(notification); |
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} |
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} |
130 | 218 | } |
131 | 2826 | knownEventsExact.put(notfnClass, Boolean.valueOf(found)); |
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} |
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} |
134 | 10887 | } |
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boolean isNotificationEnabled(Class notfnClass) |
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{ |
147 | 654 | if (!knownEventsSuper.containsKey(notfnClass)) |
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{ |
149 | 510 | boolean found = false; |
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151 | 510 | for (Iterator events = knownEventsSuper.keySet().iterator(); events.hasNext() && !found;) |
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{ |
153 | 224 | Class event = (Class) events.next(); |
154 | 224 | found = ((Boolean) knownEventsSuper.get(event)).booleanValue() && notfnClass.isAssignableFrom(event); |
155 | 224 | } |
156 | 510 | knownEventsSuper.put(notfnClass, Boolean.valueOf(found)); |
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} |
158 | 654 | if (!knownEventsExact.containsKey(notfnClass)) |
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{ |
160 | 510 | boolean found = false; |
161 | 510 | for (Iterator events = eventToSenders.keySet().iterator(); events.hasNext() && !found;) |
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{ |
163 | 88 | Class event = (Class) events.next(); |
164 | 88 | found = event.isAssignableFrom(notfnClass); |
165 | 88 | } |
166 | 510 | knownEventsExact.put(notfnClass, Boolean.valueOf(found)); |
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} |
169 | 654 | return ((Boolean) knownEventsSuper.get(notfnClass)).booleanValue() |
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|| ((Boolean) knownEventsExact.get(notfnClass)).booleanValue(); |
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} |
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} |