Mercurial > hg > blitz_condensed
annotate examples/helloworld/Writer.java @ 33:0b9265358617
Added tag 2.1.1 for changeset a77f0a9ed93c
author | Dan Creswell <dan.creswell@gmail.com> |
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date | Sat, 12 Jun 2010 10:52:10 +0100 |
parents | 3dc0c5604566 |
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1 package helloworld; |
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2 |
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3 import java.rmi.RMISecurityManager; |
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4 |
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5 import net.jini.space.JavaSpace; |
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6 |
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7 import net.jini.core.entry.Entry; |
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8 |
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9 import net.jini.core.lease.Lease; |
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10 |
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11 import java.util.Random; |
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12 |
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13 /** |
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14 Writer puts 5 randomly generated Entry's in the space which should |
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15 hopefully be found by Taker. |
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16 */ |
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17 public class Writer { |
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18 |
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19 public void exec() throws Exception { |
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20 // Locate a JavaSpace - we will only find those registered |
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21 // BEFORE we were started up - doing it properly requires |
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22 // ServiceDiscoveryManager - for examples of lookup (including |
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23 // the use of SDM) see: |
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24 // http://www.dancres.org/cottage/service_lookup.html |
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25 // |
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26 System.out.println("Looking for JavaSpace"); |
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27 |
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28 Lookup myFinder = new Lookup(JavaSpace.class); |
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29 |
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30 JavaSpace mySpace = (JavaSpace) myFinder.getService(); |
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31 |
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32 System.out.println("Got space - writing Entry's"); |
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33 |
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34 Random myRNG = new Random(); |
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35 |
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36 for (int i = 0; i < 5; i++) { |
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37 TestEntry myEntry = |
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38 new TestEntry(Integer.toString(myRNG.nextInt())); |
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39 |
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40 mySpace.write(myEntry, null, Lease.FOREVER); |
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41 |
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42 System.out.println("Wrote: " + myEntry); |
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43 } |
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44 } |
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45 |
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46 public static void main(String args[]) { |
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47 // We must set the RMI security manager to allow downloading of code |
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48 // which, in this case, is the Blitz proxy amongst other things |
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49 // |
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50 try { |
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51 if (System.getSecurityManager() == null) |
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52 System.setSecurityManager(new RMISecurityManager()); |
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53 |
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54 new Writer().exec(); |
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55 } catch (Exception anE) { |
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56 System.err.println("Whoops"); |
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57 anE.printStackTrace(System.err); |
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58 } |
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59 } |
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60 } |