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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 org.mule.config.i18n.CoreMessages; |
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import java.util.Collection; |
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import java.util.Collections; |
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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 org.apache.commons.logging.Log; |
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import org.apache.commons.logging.LogFactory; |
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import static org.mule.context.notification.ServerNotificationManager.toClass; |
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|
29 | 0 | class Configuration |
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{ |
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|
32 | 0 | protected static Log logger = LogFactory.getLog(Configuration.class); |
33 | 0 | private Map<Class<? extends ServerNotificationListener>, Set<Class<? extends ServerNotification>>> interfaceToTypes = |
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new HashMap<Class<? extends ServerNotificationListener>, Set<Class<? extends ServerNotification>>>(); |
35 | 0 | private Set<ListenerSubscriptionPair> listenerSubscriptionPairs = new HashSet<ListenerSubscriptionPair>(); |
36 | 0 | private Set<Class<? extends ServerNotificationListener>> disabledInterfaces = new HashSet<Class<? extends ServerNotificationListener>>(); |
37 | 0 | private Set<Class<? extends ServerNotification>> disabledNotificationTypes = new HashSet<Class<? extends ServerNotification>>(); |
38 | 0 | private volatile boolean dirty = true; |
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private Policy policy; |
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|
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synchronized void addInterfaceToType(Class<? extends ServerNotificationListener> iface, Class<? extends ServerNotification> type) |
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{ |
43 | 0 | dirty = true; |
44 | 0 | if (!ServerNotification.class.isAssignableFrom(type)) |
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{ |
46 | 0 | throw new IllegalArgumentException( |
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CoreMessages.propertyIsNotSupportedType("type", |
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ServerNotification.class, type).getMessage()); |
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} |
50 | 0 | if (!interfaceToTypes.containsKey(iface)) |
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{ |
52 | 0 | interfaceToTypes.put(iface, new HashSet<Class<? extends ServerNotification>>()); |
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} |
54 | 0 | Set<Class<? extends ServerNotification>> events = interfaceToTypes.get(iface); |
55 | 0 | events.add(type); |
56 | 0 | if (logger.isDebugEnabled()) |
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{ |
58 | 0 | logger.debug("Registered event type: " + type); |
59 | 0 | logger.debug("Binding listener type '" + iface + "' to event type '" + type + "'"); |
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} |
61 | 0 | } |
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synchronized void addAllInterfaceToTypes(Map<Class<? extends ServerNotificationListener>, Set<Class<? extends ServerNotification>>> interfaceToTypes) throws ClassNotFoundException |
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{ |
69 | 0 | dirty = true; |
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71 | 0 | for (Iterator ifaces = interfaceToTypes.keySet().iterator(); ifaces.hasNext();) |
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{ |
73 | 0 | Object iface = ifaces.next(); |
74 | 0 | addInterfaceToType(toClass(iface), toClass(interfaceToTypes.get(iface))); |
75 | 0 | } |
76 | 0 | } |
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|
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synchronized void addListenerSubscriptionPair(ListenerSubscriptionPair pair) |
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{ |
80 | 0 | dirty = true; |
81 | 0 | if (!listenerSubscriptionPairs.add(pair)) |
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{ |
83 | 0 | logger.warn(CoreMessages.notificationListenerSubscriptionAlreadyRegistered(pair)); |
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} |
85 | 0 | } |
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synchronized void addAllListenerSubscriptionPairs(Collection pairs) |
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{ |
89 | 0 | dirty = true; |
90 | 0 | for (Iterator listener = pairs.iterator(); listener.hasNext();) |
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{ |
92 | 0 | addListenerSubscriptionPair((ListenerSubscriptionPair) listener.next()); |
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} |
94 | 0 | } |
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synchronized void removeListener(ServerNotificationListener listener) |
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{ |
98 | 0 | dirty = true; |
99 | 0 | Set<ListenerSubscriptionPair> toRemove = new HashSet<ListenerSubscriptionPair>(); |
100 | 0 | for (Iterator listeners = listenerSubscriptionPairs.iterator(); listeners.hasNext();) |
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{ |
102 | 0 | ListenerSubscriptionPair pair = (ListenerSubscriptionPair) listeners.next(); |
103 | 0 | if (pair.getListener().equals(listener)) |
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{ |
105 | 0 | toRemove.add(pair); |
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} |
107 | 0 | } |
108 | 0 | listenerSubscriptionPairs.removeAll(toRemove); |
109 | 0 | } |
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synchronized void removeAllListeners(Collection listeners) |
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{ |
113 | 0 | dirty = true; |
114 | 0 | for (Iterator listener = listeners.iterator(); listener.hasNext();) |
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{ |
116 | 0 | removeListener((ServerNotificationListener) listener.next()); |
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} |
118 | 0 | } |
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synchronized void disableInterface(Class<? extends ServerNotificationListener> iface) |
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{ |
122 | 0 | dirty = true; |
123 | 0 | disabledInterfaces.add(iface); |
124 | 0 | } |
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synchronized void disabledAllInterfaces(Collection<Class<? extends ServerNotificationListener>> interfaces) throws ClassNotFoundException |
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{ |
128 | 0 | dirty = true; |
129 | 0 | for (Iterator iface = interfaces.iterator(); iface.hasNext();) |
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{ |
131 | 0 | disableInterface(toClass(iface.next())); |
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} |
133 | 0 | } |
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synchronized void disableType(Class<? extends ServerNotification> type) |
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{ |
137 | 0 | dirty = true; |
138 | 0 | disabledNotificationTypes.add(type); |
139 | 0 | } |
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|
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synchronized void disableAllTypes(Collection types) throws ClassNotFoundException |
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{ |
143 | 0 | dirty = true; |
144 | 0 | for (Iterator event = types.iterator(); event.hasNext();) |
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{ |
146 | 0 | disableType(toClass(event.next())); |
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} |
148 | 0 | } |
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protected Policy getPolicy() |
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{ |
152 | 0 | if (dirty) |
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{ |
154 | 0 | synchronized (this) |
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{ |
156 | 0 | if (dirty) |
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{ |
158 | 0 | policy = new Policy(interfaceToTypes, listenerSubscriptionPairs, disabledInterfaces, disabledNotificationTypes); |
159 | 0 | dirty = false; |
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} |
161 | 0 | } |
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} |
163 | 0 | return policy; |
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} |
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Map<Class<? extends ServerNotificationListener>, Set<Class<? extends ServerNotification>>> getInterfaceToTypes() |
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{ |
170 | 0 | return Collections.unmodifiableMap(interfaceToTypes); |
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} |
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Set<ListenerSubscriptionPair> getListeners() |
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{ |
175 | 0 | return Collections.unmodifiableSet(listenerSubscriptionPairs); |
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} |
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} |