X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=forester%2Fjava%2Fsrc%2Forg%2Fforester%2Fsurfacing%2FProteinCountsBasedPairwiseDomainSimilarityCalculator.java;h=8c42787c106dcf59cca739dd24cf1e36744c9a0a;hb=380f98efacccdaeff5a86ba6b9b05367df133b79;hp=309d321960db9f7c6b63073205d4f9e29b1e0463;hpb=656be28debec520e0e35a8b311114398a40ea366;p=jalview.git

diff --git a/forester/java/src/org/forester/surfacing/ProteinCountsBasedPairwiseDomainSimilarityCalculator.java b/forester/java/src/org/forester/surfacing/ProteinCountsBasedPairwiseDomainSimilarityCalculator.java
index 309d321..8c42787 100644
--- a/forester/java/src/org/forester/surfacing/ProteinCountsBasedPairwiseDomainSimilarityCalculator.java
+++ b/forester/java/src/org/forester/surfacing/ProteinCountsBasedPairwiseDomainSimilarityCalculator.java
@@ -35,8 +35,13 @@ public class ProteinCountsBasedPairwiseDomainSimilarityCalculator implements Pai
         if ( !domains_1.getKeyDomain().equals( domains_2.getKeyDomain() ) ) {
             throw new IllegalArgumentException( "attempt to calculate similarity between domain collection with different keys" );
         }
-        final int pc1 = domains_1.getKeyDomainProteinsCount();
-        final int pc2 = domains_2.getKeyDomainProteinsCount();
-        return new CountsBasedPairwiseDomainSimilarity( pc1 - pc2, pc1 + pc2 );
+        if ( ( domains_1.getKeyDomainProteinsCount() > Short.MAX_VALUE )
+                || ( domains_2.getKeyDomainProteinsCount() > Short.MAX_VALUE )
+                || ( ( domains_1.getKeyDomainProteinsCount() + domains_2.getKeyDomainCount() ) > Short.MAX_VALUE ) ) {
+            throw new IllegalArgumentException( "too large for short!" );
+        }
+        final short pc1 = ( short ) domains_1.getKeyDomainProteinsCount();
+        final short pc2 = ( short ) domains_2.getKeyDomainProteinsCount();
+        return new CountsBasedPairwiseDomainSimilarity( ( short ) ( pc1 - pc2 ), ( short ) ( pc1 + pc2 ) );
     }
 }