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Revision 6437

Added by ben leinfelder over 13 years ago

initialize Hazelcast from the custom configuration when initializing the Metacat service.

View differences:

test/edu/ucsb/nceas/metacat/dataone/hazelcast/HazelcastServiceTest.java
52 52 
public class HazelcastServiceTest extends MCTestCase {
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	static {
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		// initialize using custom configuration
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	    String configFileName = null;
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		try {
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			// if we use the system property, we probably don't need to do this explicitly!
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			Settings.getConfiguration().addProperty("hazelcast.config", "/Users/leinfelder/workspace/d1_replication/src/main/resources/hazelcast.xml");
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		    configFileName = Settings.getConfiguration().getString("hazelcast.config");
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			Config config = new FileSystemXmlConfig(configFileName);
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			Hazelcast.init(config);
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			// initialize the configuration
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			HazelcastService.getInstance();
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			// initialize the entry listeners
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			CNodeService.getInstance();
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		} catch (FileNotFoundException e) {
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		} catch (Exception e) {
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			e.printStackTrace();
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			fail();
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		}
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	}
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    /**
......
75 71 
    */
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    public HazelcastServiceTest(String name) {
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        super(name);
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    }


  		




  81
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    /**


  		




  ......




  101
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			pid = cnst.testRegisterSystemMetadata();


  		




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			assertNotNull(pid);


  		




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			// look it up from the "shared" map


  		




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			HazelcastService.getInstance();


  		




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			IMap<Object, Object> systemMetadataMap = Hazelcast.getMap(PropertyService.getProperty("dataone.hazelcast.storageCluster.systemMetadataMap"));


  		




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			SystemMetadata sm = (SystemMetadata) systemMetadataMap.get(pid);


  		




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			assertNotNull(sm);


  		












  

    
      src/edu/ucsb/nceas/metacat/MetaCatServlet.java
    
  





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import edu.ucsb.nceas.metacat.database.DBConnection;


  		




  55
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import edu.ucsb.nceas.metacat.database.DBConnectionPool;


  		




  56
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import edu.ucsb.nceas.metacat.database.DatabaseService;


  		




  
  57
  
    
import edu.ucsb.nceas.metacat.dataone.hazelcast.HazelcastService;


  		




  57
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import edu.ucsb.nceas.metacat.plugin.MetacatHandlerPlugin;


  		




  58
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import edu.ucsb.nceas.metacat.plugin.MetacatHandlerPluginManager;


  		




  59
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import edu.ucsb.nceas.metacat.properties.PropertyService;


  		




  ......




  432
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  433
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			// initialize the plugins


  		




  434
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			MetacatHandlerPluginManager.getInstance();


  		




  
  436
  
    
			


  		




  
  437
  
    
			// initialize the HazelcastService


  		




  
  438
  
    
			ServiceService.registerService("HazelcastService", HazelcastService.getInstance());


  		




  435
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  436
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			_fullyInitialized = true;


  		




  437
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      src/edu/ucsb/nceas/metacat/dataone/CNodeService.java
    
  





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  /* The Hazelcast distributed task id generator namespace */


  		




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  private String taskIds;


  		




  112
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  113
  
  
    
  /* The name of the pending replication tasks map */


  		




  114
  
  
    
  private String pendingTasksQueue;


  		




  115
  
  
    
  


  		




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  /* The Hazelcast distributed system metadata map */


  		




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  private IMap<NodeReference, Node> nodes;


  		




  118
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  ......




  157
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        PropertyService.getProperty("dataone.hazelcast.processCluster.nodesMap");


  		




  158
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      systemMetadataMap = 


  		




  159
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        PropertyService.getProperty("dataone.hazelcast.storageCluster.systemMetadataMap");


  		




  160
  
  
    
      pendingTasksQueue = 


  		




  161
  
  
    
    	PropertyService.getProperty("dataone.hazelcast.replicationPendingTasks");


  		




  162
  
  
    
      


  		




  
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      // Become a DataONE-process cluster client


  		




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      //TODO: where should this be?


  		




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//      String[] addresses = addressList.split(",");


  		












  

    
      src/edu/ucsb/nceas/metacat/dataone/hazelcast/HazelcastService.java
    
  





  26
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package edu.ucsb.nceas.metacat.dataone.hazelcast;


  		




  28
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  29
  
  
    
import java.io.File;


  		




  30
  
  
    

  		




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import org.apache.log4j.Logger;


  		




  32
  
  
    
import org.dataone.service.types.v1.Identifier;


  		




  33
  
  
    
import org.dataone.service.types.v1.SystemMetadata;


  		




  34
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  35
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import com.hazelcast.config.Config;


  		




  
  32
  
    
import com.hazelcast.config.FileSystemXmlConfig;


  		




  36
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import com.hazelcast.core.Hazelcast;


  		




  37
  
  
    
import com.hazelcast.core.HazelcastInstance;


  		




  38
  
  
    
import com.hazelcast.core.IMap;


  		




  39
  
  
    
import com.hazelcast.core.IdGenerator;


  		




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import com.hazelcast.core.InstanceEvent;


  		




  41
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import com.hazelcast.core.InstanceListener;


  		




  42
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import edu.ucsb.nceas.metacat.properties.PropertyService;


  		




  44
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import edu.ucsb.nceas.metacat.shared.BaseService;


  		




  45
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import edu.ucsb.nceas.metacat.shared.ServiceException;


  		




  46
  
  
    
import edu.ucsb.nceas.utilities.PropertyNotFoundException;


  		




  47
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/**


  		




  48
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 * The Hazelcast service enables Metacat as a Hazelcast cluster member


  		




  49
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 */


  		




  ......




  56
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  /* The singleton instance of the hazelcast service */


  		




  57
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  private static HazelcastService hzService = null;


  		




  58
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  59
  
  
    
  /* The Hazelcast instance that is a cluster member */


  		




  60
  
  
    
  private HazelcastInstance hzMember;


  		




  61
  
  
    
  


  		




  62
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  /* The Hazelcast configuration */


  		




  63
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  private Config hzConfig;


  		




  64
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  65
  
  
    
  /* The task id namespace (for generating cluster-wide unqique task ids */


  		




  66
  
  
    
  private String taskIds;


  		




  67
  
  
    
  


  		




  68
  
  
    
  /* The Hazelcast Id Genrator used to generate unique task ids */


  		




  69
  
  
    
  IdGenerator idGenerator;


  		




  70
  
  
    
  


  		




  71
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  /*


  		




  72
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   * Constructor: Creates an instance of the hazelcast service. Since


  		




  73
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   * this uses a singleton pattern, use getInstance() to gain the instance.


  		




  ......




  81
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      init();


  		




  82
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  83
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    } catch (ServiceException se) {


  		




  84
  
  
    
      logMetacat.debug("There was a problem creating the HazelcastService. " +


  		




  
  68
  
    
      logMetacat.error("There was a problem creating the HazelcastService. " +


  		




  85
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                       "The error message was: " + se.getMessage());


  		




  86
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  87
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    }


  		




  ......




  112
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    logMetacat.debug("HazelcastService.doRefresh() called.");


  		




  113
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  114
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    try {


  		




  115
  
  
    
      File hzConfigFile =


  		




  116
  
  
    
        new File(PropertyService.getProperty("dataone.hazelcast.configFilePath"));


  		




  117
  
  
    
      hzConfig = new Config();


  		




  118
  
  
    
      hzConfig.setConfigurationFile(hzConfigFile);


  		




  119
  
  
    
      hzMember = Hazelcast.init(hzConfig);


  		




  120
  
  
    
      taskIds = 


  		




  121
  
  
    
        PropertyService.getProperty("dataone.hazelcast.storageCluster.tasksIdNamespace");


  		




  122
  
  
    
      


  		




  123
  
  
    
      idGenerator = hzMember.getIdGenerator(taskIds);


  		




  124
  
  
    

  		




  125
  
  
    
    } catch (PropertyNotFoundException e) {


  		




  126
  
  
    
      String msg = "Couldn't find the Hazelcast configuration file.";


  		




  
  99
  
    
    	String configFileName = PropertyService.getProperty("dataone.hazelcast.configFilePath");


  		




  
  100
  
    
//    	System.setProperty("hazelcast.config", configFileName);


  		




  
  101
  
    
		Config config = new FileSystemXmlConfig(configFileName);


  		




  
  102
  
    
		Hazelcast.init(config);


  		




  
  103
  
    
    } catch (Exception e) {


  		




  
  104
  
    
      String msg = e.getMessage();


  		




  127
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      logMetacat.error(msg);


  		




  128
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      throw new ServiceException(msg);


  		




  129
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  130
  
  
    
    } catch (IllegalStateException e) {


  		




  131
  
  
    

  		




  132
  
  
    
      String msg = "This instance of Hazelcast has already been created.";


  		




  133
  
  
    
      logMetacat.error(msg);


  		




  134
  
  
    
      throw new ServiceException(msg);


  		




  135
  
  
    

  		




  136
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    }


  		




  137
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  138
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    return;


  		




  ......




  180
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        event.getInstance().getInstanceType());


  		




  181
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  182
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  }


  		




  183
  
  
    

  		




  184
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  185
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  /**


  		




  186
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   * Refresh the Hazelcast service by restarting it


  		












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