63 lines
1.3 KiB
Java
63 lines
1.3 KiB
Java
/**
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* Author: Timothy Prepscius
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* License: GPLv3 Affero + keep my name in the code!
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*/
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package mail.client;
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import java.util.HashSet;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Set;
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import core.util.LogNull;
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import core.util.Pair;
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public class EventDispatcher extends EventPropagator
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{
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static LogNull log = new LogNull(EventDispatcher.class);
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List<Pair<String,Object[]>> eventQueue = new LinkedList<Pair<String,Object[]>>();
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// Collections.synchronizedList(new LinkedList<Pair<String,Object[]>>()
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// );
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Set<String> onced = new HashSet<String>();
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public synchronized void prepareForDispatch ()
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{
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eventQueue.add(null);
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onced.clear();
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}
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public void dispatchEvents ()
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{
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prepareForDispatch();
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Pair<String, Object[]> next = null;
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while ((next = eventQueue.get(0))!=null)
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{
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eventQueue.remove(0);
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doSignal(next.first, next.second);
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}
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eventQueue.remove(0);
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}
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@Override
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public void signalOnce (String event, Object...parameters)
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{
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log.debug("signalOnce", event);
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if (onced.contains(event))
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return;
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onced.add(event);
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signal(event, parameters);
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}
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@Override
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public void signal (String event, Object... parameters)
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{
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log.debug("signal",event,parameters);
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eventQueue.add(new Pair<String,Object[]>(event, parameters));
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}
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}
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