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annotate src/org/dancres/blitz/notify/DispatchTask.java @ 32:243c74d599bf

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author Dan Creswell <dan.creswell@gmail.com>
date Sat, 12 Jun 2010 10:41:47 +0100
parents 3dc0c5604566
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3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet.
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1 package org.dancres.blitz.notify;
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2
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Dan Creswell <dan.creswell@gmail.com>
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3 /**
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4 * DispatchTask represents an event processing task for the event queue.
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet.
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5 * The lifecycle of this event is as follows:
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6 *
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7 * <ol>
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8 * <li>The poster of the event invokes block() having enqueued this task. It may or may
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet.
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9 * not actually block depending on the task's implementation.</li>
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
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10 *
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet.
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11 * <li>For each event generated, newDispatch is invoked to indicate an event
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet.
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12 * will be posted.</li>
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13 *
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14 * <li>For each event generated, dispatched is invoked to indicate the event has
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15 * been sent.</li>
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16 *
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17 * <li>When the event queue (as to the event senders) has finished generating events it
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet.
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18 * invokes enableResolve which for suitable implementations indicates that the blocker
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19 * can be released at the appropriate moment.</li>
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20 * </ol>
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21 */
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22 public interface DispatchTask extends Runnable {
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23 public QueueEvent getEvent();
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24 public void block() throws InterruptedException;
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25 public void newDispatch();
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26 public void dispatched();
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27 public void enableResolve();
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28 }