Mercurial > hg > blitz_stable

annotate src/org/dancres/blitz/notify/BlockingDispatchImpl.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
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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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3 class BlockingDispatchImpl implements DispatchTask {
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4 private EventQueue theQueue;
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5 private QueueEvent theEvent;
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6
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7 private boolean isDone = false;
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8 private boolean isResolvable = false;
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9 private int myTotalDispatches = 0;
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10 private int myCompletedDispatches = 0;
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11
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12 BlockingDispatchImpl(EventQueue aQueue, QueueEvent anEvent) {
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13 theQueue = aQueue;
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14 theEvent = anEvent;
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15 }
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16
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17 public void run() {
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18 theQueue.dispatchImpl(this);
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19 }
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20
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21 public QueueEvent getEvent() {
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22 return theEvent;
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23 }
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24
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25 public void block() throws InterruptedException {
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26 synchronized(this) {
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27 while (! isDone) {
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28 try {
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29 wait();
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30 } catch (InterruptedException anIE) {
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31 }
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32 }
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33 }
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34 }
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35
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36 public void newDispatch() {
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37 synchronized(this) {
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38 ++myTotalDispatches;
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39 }
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40 }
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41
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42 public void dispatched() {
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43 synchronized(this) {
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44 ++myCompletedDispatches;
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45 }
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46
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47 checkAndFire();
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48 }
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49
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50 public void enableResolve() {
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51 synchronized(this) {
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52 isResolvable = true;
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53 }
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54
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55 checkAndFire();
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56 }
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57
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58 private void checkAndFire() {
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59 synchronized(this) {
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60 if (!isResolvable)
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61 return;
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62
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63 if (myTotalDispatches == myCompletedDispatches) {
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64 isDone = true;
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65 notify();
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66 }
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67 }
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68 }
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69 }