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Revision 47231

Added by Alessia Bardi almost 7 years ago

Let's use Iterators instead of Lists

View differences:

EHRIGraphQLClient.java
4 4 
import java.io.InputStreamReader;
5 5 
import java.net.URI;
6 6 
import java.net.URISyntaxException;
7 
import java.util.List;
7 
import java.util.Iterator;
8 8 

  		




  9
  9
  
    
import com.google.common.collect.Iterables;


  		




  10
  10
  
    
import com.google.common.collect.Lists;


  		




  ......




  33
  33
  
    

  		




  34
  34
  
    
	private static final Log log = LogFactory.getLog(EHRIGraphQLClient.class);


  		




  35
  35
  
    

  		




  36
  
  
    
	public List<String> collect(final String baseURL, final String graphQLQuery) throws URISyntaxException, IOException, CollectorServiceException {


  		




  
  36
  
    
	public Iterator<String> collect(final String baseURL, final String graphQLQuery) throws URISyntaxException, IOException, CollectorServiceException {


  		




  37
  37
  
    
		/*


  		




  38
  38
  
    
		The curl equivalent:


  		




  39
  39
  
    
		curl --header X-Stream:true \


  		




  ......




  67
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		}


  		




  68
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	}


  		




  69
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  70
  
  
    
	protected List<String> getIdentifiers(final InputStreamReader input){


  		




  
  70
  
    
	protected Iterator<String> getIdentifiers(final InputStreamReader input){


  		




  71
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		JsonObject jsonObject = new JsonParser().parse(input).getAsJsonObject();


  		




  72
  72
  
    
		JsonArray items = jsonObject.getAsJsonObject("data").getAsJsonObject("topLevelDocumentaryUnits").getAsJsonArray("items");


  		




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  73
  
    
		log.debug(items);


  		




  74
  
  
    
		return Lists.newArrayList(Iterables.transform(items, jelem -> jelem.getAsJsonObject().get("id").getAsString()));


  		




  
  74
  
    
		return Lists.newArrayList(Iterables.transform(items, jelem -> jelem.getAsJsonObject().get("id").getAsString())).iterator();


  		




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	}


  		




  76
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}


  		












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