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Revision 10376

Added by Jing Tao over 7 years ago

Add the client code to submit the index task to the message broker. Now I only added the code for the create method.

View differences:

src/edu/ucsb/nceas/metacat/dataone/CNodeService.java
44 44 
import org.dataone.client.v2.CNode;
45 45 
import org.dataone.client.v2.MNode;
46 46 
import org.dataone.client.v2.itk.D1Client;
47 
import org.dataone.cn.index.messaging.IndexTaskMessagingClient;
48 
import org.dataone.cn.index.messaging.IndexTaskMessagingClientFactory;
49 
import org.dataone.cn.index.task.IndexTask;
50 
import org.dataone.cn.index.task.IndexTaskGenerator;
47 51 
import org.dataone.exceptions.MarshallingException;
48 52 
import org.dataone.service.cn.v2.CNAuthorization;
49 53 
import org.dataone.service.cn.v2.CNCore;
......
87 91 
import org.dataone.service.types.v2.SystemMetadata;
88 92 
import org.dataone.service.util.TypeMarshaller;
89 93 

  		




  90
  
  
    

  		




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import edu.ucsb.nceas.metacat.DBUtil;


  		




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import edu.ucsb.nceas.metacat.EventLog;


  		




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import edu.ucsb.nceas.metacat.IdentifierManager;


  		




  ......




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  private Logger logMetacat = null;


  		




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  public final static String V2V1MISSMATCH = "The Coordinating Node is not authorized to make systemMetadata changes on this object. Please make changes directly on the authoritative Member Node.";


  		




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  private IndexTaskMessagingClient indexTaskClient = null;


  		




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  /**


  		




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   * singleton accessor


  		




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   */


  		




  ......




  123
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  private CNodeService(HttpServletRequest request) {


  		




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    super(request);


  		




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    logMetacat = Logger.getLogger(CNodeService.class);


  		




  126
  
  
    
        


  		




  
  130
  
    
    try {


  		




  
  131
  
    
        getIndexTaskClient();


  		




  
  132
  
    
    } catch (Exception e) {


  		




  
  133
  
    
        logMetacat.warn("CNodeService.constructorr - the client for sumbitting the index tasks couldn't be initialized since "+e.getMessage(), e);


  		




  
  134
  
    
    } 


  		




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  }


  		




  
  136
  
    
  


  		




  
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  /*


  		




  
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   * Method to get the index tasks client.


  		




  
  139
  
    
   */


  		




  
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  private void getIndexTaskClient() throws InstantiationException, IllegalAccessException, ClassNotFoundException {


  		




  
  141
  
    
      if(indexTaskClient == null) {


  		




  
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          indexTaskClient = IndexTaskMessagingClientFactory.getClient();


  		




  
  143
  
    
      }


  		




  
  144
  
    
  }


  		




  
  145
  
    
  


  		




  
  146
  
    
  /*


  		




  
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   * Submit a index task to the message broker.


  		




  
  148
  
    
   */


  		




  
  149
  
    
  private void submitIndexTask(SystemMetadata sysmeta, String objectURI) throws ServiceFailure, InvalidSystemMetadata, InstantiationException, IllegalAccessException, ClassNotFoundException {


  		




  
  150
  
    
      if(indexTaskClient == null) {


  		




  
  151
  
    
          getIndexTaskClient();


  		




  
  152
  
    
      }


  		




  
  153
  
    
      IndexTaskGenerator generator = new IndexTaskGenerator();


  		




  
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      IndexTask task = generator.generateAddTask(sysmeta, objectURI);


  		




  
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      indexTaskClient.submit(task);


  		




  
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  }


  		




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  /**


  		




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   * Set the replication policy for an object given the object identifier


  		




  ......




  1869
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  1870
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              }


  		




  1871
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              pid = super.create(session, pid, object, sysmeta);


  		




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              // submit the index task to the message broker.


  		




  
  1903
  
    
              try {


  		




  
  1904
  
    
                  String localId = IdentifierManager.getInstance().getLocalId(pid.getValue());


  		




  
  1905
  
    
                  String objectURI = IdentifierManager.getInstance().getObjectFilePath(localId, isScienceMetadata(sysmeta));


  		




  
  1906
  
    
                  submitIndexTask(sysmeta, objectURI);


  		




  
  1907
  
    
                  logMetacat.info("CNodeService.create - Metacat successfully submitted the index task for the object "+sysmeta.getIdentifier().getValue()+" to the message broker. But it is NOT guarranteed that the broker can get it.");


  		




  
  1908
  
    
              } catch (Exception e) {


  		




  
  1909
  
    
                  logMetacat.warn("CNodeService.create - the index task for the object "+sysmeta.getIdentifier().getValue()+" failed to be submitted to the message broker since "+e.getMessage(), e);


  		




  
  1910
  
    
              }


  		




  
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  1873
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          } else {


  		




  1874
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              String msg = "The subject listed as " + session.getSubject().getValue() + 


  		




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                  " isn't allowed to call create() on a Coordinating Node for pid "+pid.getValue();


  		












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