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Viewing changes to java/examples/ResourceDiscovery.java

  • Committer: Package Import Robot
  • Author(s): Mattias Ellert
  • Date: 2013-05-08 13:48:03 UTC
  • mfrom: (1.1.7)
  • mto: This revision was merged to the branch mainline in revision 15.
  • Revision ID: package-import@ubuntu.com-20130508134803-mrhc5w4d5y7ubyj4
3.0.1 Release

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java/examples/ResourceDiscovery.java
 
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//
 
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// The nordugrid-arc-java package is required. To compile and run this example:
 
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// 
 
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// export CLASSPATH=/usr/lib64/java/arc.jar:.
 
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// export LD_LIBRARY_PATH=/usr/lib64/java
 
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// javac ResourceDiscovery.java
 
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// java ResourceDiscovery ldap://index1.nordugrid.org/Mds-vo-name=NorduGrid,o=grid
 
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//  
 
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// The PATHs above may vary depending on ARC install location and system
 
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// architecture. 
 
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import nordugrid.arc.*; // For the sake of brevity in this example import everything from arc
 
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public class ResourceDiscovery implements ComputingServiceTypeConsumer
 
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{
 
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    public int i;
 
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    public ResourceDiscovery() {
 
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      i = 0;
 
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    }
 
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    public static void main(String[] args)
 
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    {
 
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        // Set up logging to stderr with level VERBOSE (a lot of output will be shown)
 
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        LogStream_ostream logstdout = new LogStream_ostream(nordugrid.arc.arc.getStdout());
 
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        logstdout.setFormat(nordugrid.arc.LogFormat.ShortFormat);
 
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        Logger.getRootLogger().addDestination(logstdout);
 
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        Logger.getRootLogger().setThreshold(nordugrid.arc.LogLevel.VERBOSE);
 
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        Logger logger = new Logger(Logger.getRootLogger(), "resourcediscovery");
 
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        // Create Endpoint object from the passed argument (registry or index service)
 
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        Endpoint e = new Endpoint(args[0], Endpoint.CapabilityEnum.REGISTRY);
 
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        // This object holds various attributes, including proxy location and selected services.
 
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        UserConfig uc = new UserConfig("");
 
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        // Example Java consumer
 
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        ResourceDiscovery rd = new ResourceDiscovery();
 
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        // Create a instance for discovering computing services at the registry service.
 
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        ComputingServiceRetriever csr = new ComputingServiceRetriever(uc);
 
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        csr.addConsumer(rd);
 
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        csr.addEndpoint(e); // Add endpoint ... which initiates discovery.
 
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        csr._wait(); // Wait for results to be retrieved.
 
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        for (ComputingServiceType cst : csr) {
 
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            System.out.println(cst);
 
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        }
 
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        System.out.println(rd.i + " services found.");
 
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    }
 
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    public void addEntity(ComputingServiceType cst) {
 
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      i += 1;
 
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    }
 
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}