JAL-3076 refactor for more efficient scan of 'gene' features

[jalview.git] / src / jalview / ext / ensembl / EnsemblGene.java

diff --git a/src/jalview/ext/ensembl/EnsemblGene.java b/src/jalview/ext/ensembl/EnsemblGene.java
index 7e6f653..36b19e2 100644 (file)
--- a/src/jalview/ext/ensembl/EnsemblGene.java
+++ b/src/jalview/ext/ensembl/EnsemblGene.java
@@ -548,23 +548,27 @@ public class EnsemblGene extends EnsemblSeqProxy
   }
 
   /**
-   * Answers true for a feature of type 'gene' (or a sub-type of gene in the
-   * Sequence Ontology), whose ID is the accession we are retrieving
+   * Answers a list of sequence features (if any) whose type is 'gene' (or a
+   * subtype of gene in the Sequence Ontology), and whose ID is the accession we
+   * are retrieving
    */
   @Override
-  protected boolean identifiesSequence(SequenceFeature sf, String accId)
+  protected List<SequenceFeature> getIdentifyingFeatures(SequenceI seq,
+          String accId)
   {
-    if (SequenceOntologyFactory.getInstance().isA(sf.getType(),
-            SequenceOntologyI.GENE))
+    List<SequenceFeature> result = new ArrayList<>();
+    List<SequenceFeature> sfs = seq.getFeatures()
+            .getFeaturesByOntology(SequenceOntologyI.GENE);
+    for (SequenceFeature sf : sfs)
     {
       // NB features as gff use 'ID'; rest services return as 'id'
       String id = (String) sf.getValue("ID");
       if ((GENE_PREFIX + accId).equalsIgnoreCase(id))
       {
-        return true;
+        result.add(sf);
       }
     }
-    return false;
+    return result;
   }
 
   /**
@@ -595,17 +599,6 @@ public class EnsemblGene extends EnsemblSeqProxy
   }
 
   /**
-   * Answers false. This allows an optimisation - a single 'gene' feature is all
-   * that is needed to identify the positions of the gene on the genomic
-   * sequence.
-   */
-  @Override
-  protected boolean isSpliceable()
-  {
-    return false;
-  }
-
-  /**
    * Override to do nothing as Ensembl doesn't return a protein sequence for a
    * gene identifier
    */