Fixed compiler bug

Author: ArnauPrat

src/main/java/ldbc/snb/datagen/generator/LDBCDatagen.java

@@ -38,6 +38,8 @@
 
 import ldbc.snb.datagen.dictionary.Dictionaries;
 import ldbc.snb.datagen.hadoop.*;
+import ldbc.snb.datagen.objects.Person;
+import ldbc.snb.datagen.objects.similarity.GeoDistanceSimilarity;
 import ldbc.snb.datagen.util.ConfigParser;
 import ldbc.snb.datagen.vocabulary.SN;
 import org.apache.hadoop.conf.Configuration;
@@ -60,6 +62,7 @@ public static synchronized void init (Configuration conf) {
             DatagenParams.readConf(conf);
             Dictionaries.loadDictionaries(conf);
             SN.initialize();
+            Person.personSimilarity = new GeoDistanceSimilarity();
             initialized = true;
         }
     }

src/main/java/ldbc/snb/datagen/objects/Knows.java

@@ -142,7 +142,7 @@ public static boolean createKnow( Random random, Person personA, Person personB
         creationDate = creationDate - personA.creationDate() >= DatagenParams.deltaTime ? creationDate : creationDate + (DatagenParams.deltaTime - (creationDate - personA.creationDate()));
         creationDate = creationDate - personB.creationDate() >= DatagenParams.deltaTime ? creationDate : creationDate + (DatagenParams.deltaTime - (creationDate - personB.creationDate()));
         if( creationDate <= Dictionaries.dates.getEndDateTime() ) {
-            float similarity = Person.Similarity(personA,personB);
+            float similarity = Person.personSimilarity.Similarity(personA,personB);
             if(!personB.knows().add(new Knows(personA, creationDate, similarity))) return false;
             if(!personA.knows().add(new Knows(personB, creationDate, similarity))) return false;
             return true;

src/main/java/ldbc/snb/datagen/objects/Person.java

@@ -14,7 +14,7 @@
 public class Person implements Writable {
 
 	public static interface PersonSimilarity {
-		public double Similarity(Person personA, Person personB);
+		public float Similarity(Person personA, Person personB);
 	}
 
 	public static class PersonSummary implements Writable {
@@ -467,8 +467,4 @@ public void write(DataOutput arg0) throws IOException {
 	}
 
 	public static PersonSimilarity personSimilarity;
-
-	public static float Similarity(Person personA, Person personB) {
-	}
-
 }

src/main/java/ldbc/snb/datagen/objects/similarity/GeoDistanceSimilarity.java

@@ -7,7 +7,7 @@
  * Created by aprat on 22/01/16.
  */
 public class GeoDistanceSimilarity implements Person.PersonSimilarity{
-    public double Similarity(Person personA, Person personB) {
+    public float Similarity(Person personA, Person personB) {
         int zorderA = Dictionaries.places.getZorderID(personA.countryId());
         int zorderB = Dictionaries.places.getZorderID(personB.countryId());
         return 1.0f - (Math.abs(zorderA - zorderB) / 256.0f);

src/main/java/ldbc/snb/datagen/objects/similarity/InterestsSimilarity.java

@@ -6,7 +6,7 @@
  * Created by aprat on 22/01/16.
  */
 public class InterestsSimilarity implements Person.PersonSimilarity {
-    public double Similarity(Person personA, Person personB) {
+    public float Similarity(Person personA, Person personB) {
         return 0;
     }
 }