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question asked: Aug 13 '20, 1:22 p.m.
question was seen: 762 times
last updated: Aug 13 '20, 1:27 p.m.

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RAM Java API Query Builder

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Chamal Panditharatne (11●2) | asked Aug 13 '20, 1:22 p.m.
edited Aug 13 '20, 1:27 p.m.

 Hello,


I am trying to use the RAM Java API to run queries, but I have an issue with the RAMAssetQueryBuilder.  The addSearchFilter(subCategory) method returns a null pointer exception when I try and add the sub category as a search term.  I can't seem to work out why this is happenning.

The code is compiled under JDK1.8 
RAM Version 7.5.4.1

NB the server is returning a SubCategory

EDIT: this is the output

id_60526
Integration
Exception in thread "main" java.lang.NullPointerException
        at com.ibm.ram.client.RAMAssetQueryBuilder.isQueryTerms(RAMAssetQueryBuilder.java:494)
        at com.ibm.ram.client.RAMAssetQueryBuilder.parseQueryCriteria4OSLCv1(RAMAssetQueryBuilder.java:695)
        at com.ibm.ram.client.RAMAssetQueryBuilder.addSearchFilter(RAMAssetQueryBuilder.java:974)
        at com.ibm.ram.client.RAMAssetQueryBuilder.addSearchFilter(RAMAssetQueryBuilder.java:1031)
        at com.ibm.ram.client.RAMAssetQueryBuilder.addSearchFilter(RAMAssetQueryBuilder.java:1093)
        at com.bt.intcoe.App.main(App.java:46)
ackage com.bt.intcoe;

import com.ibm.ram.client.RAMSession;
import com.ibm.ram.client.RAMAssetType;
import com.ibm.ram.client.RAMAssetQueryBuilder;
import com.ibm.ram.client.RAMAssetSearchResult;

import com.ibm.ram.common.data.Asset;
import com.ibm.ram.common.data.exception.RAMRuntimeException;
import com.ibm.ram.common.data.SearchResult;
import com.ibm.ram.common.data.SubCategory;


/
  Hello world!
 /
public final class App {
    private App() {
    }

    /
      Says hello to the world.
      @param args The arguments of the program.
     /
    public static void main(String[] args) {

        RAMSession session = new RAMSession(URL,USER,PASS);

        try {

            RAMAssetQueryBuilder queryBuilder = new RAMAssetQueryBuilder(session);

            RAMAssetType appAssetType = (RAMAssetType) session.getAssetType("Software Service Instance");
            
            SubCategory subCategory = session.getCategorySchema("Common").getCategory("Platform").getSubCategory("Integration");
            
            System.out.println(subCategory.getId());
            System.out.println(subCategory.getName());
            
            queryBuilder.addSearchFilter(subCategory);
            queryBuilder.addSearchFilter(appAssetType);
            
            SearchResult searchResult = session.getAssets(queryBuilder);

            RAMAssetSearchResult[] results = (RAMAssetSearchResult[]) searchResult.getAssetSearchResults();
            
            int totalNumberOfAssets = searchResult.getTotalResultsCount();
            
            // Initialise counter in preparation of paging through search results
            int assetRunningCount = 0;
            
            /
              Loops through assets in search result.  
             /
            while(assetRunningCount < totalNumberOfAssets) {
                
                for(RAMAssetSearchResult result : results) {
                
                    assetRunningCount++;
                    
                    Asset asset = (Asset) result.getAsset();
                    
                    String assetId = asset.getIdentification().getGUID() + ":" + asset.getIdentification().getVersion();
                    
                    System.out.println(assetId);
                                        
                }
                
                // get the next page of assets, if there are more assets to get...
                if(assetRunningCount < totalNumberOfAssets) { 
                    
                    queryBuilder.setResultsStartIndex(assetRunningCount);
                    
                    searchResult = session.getAssets(queryBuilder);
                    
                    results = (RAMAssetSearchResult[]) searchResult.getAssetSearchResults();
                        
                    // if all the assets have been processed then exit the while loop
                    if(results == null || results.length == 0) { break; }
                    
                }
                
            }


        } catch(RAMRuntimeException e) {

            session.release();

        } finally {

            session.release();

        }

    }
}

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