JAL-1705 reworked Ensembl clients now fetching and mapping features &

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

diff --git a/src/jalview/ext/ensembl/EnsemblCds.java b/src/jalview/ext/ensembl/EnsemblCds.java
index dc92348..897371d 100644 (file)
--- a/src/jalview/ext/ensembl/EnsemblCds.java
+++ b/src/jalview/ext/ensembl/EnsemblCds.java
@@ -1,10 +1,20 @@
 package jalview.ext.ensembl;
 
-import jalview.ext.ensembl.SeqFetcher.EnsemblSeqType;
+import jalview.datamodel.SequenceFeature;
+import jalview.io.gff.SequenceOntology;
 
 public class EnsemblCds extends EnsemblSeqProxy
 {
+  /*
+   * fetch cds features on genomic sequence (to identify the CDS regions)
+   * and variation features (to retain)
+   */
+  private static final EnsemblFeatureType[] FEATURES_TO_FETCH = {
+      EnsemblFeatureType.cds, EnsemblFeatureType.variation };
 
+  /**
+   * Constructor
+   */
   public EnsemblCds()
   {
     super();
@@ -22,4 +32,42 @@ public class EnsemblCds extends EnsemblSeqProxy
     return EnsemblSeqType.CDS;
   }
 
+  @Override
+  protected EnsemblFeatureType[] getFeaturesToFetch()
+  {
+    return FEATURES_TO_FETCH;
+  }
+
+  /**
+   * Answers true unless the feature type is 'CDS' (or a sub-type of CDS in the
+   * Sequence Ontology). CDS features are only retrieved in order to identify
+   * the cds sequence range, and are redundant information on the cds sequence
+   * itself.
+   */
+  @Override
+  protected boolean retainFeature(String type)
+  {
+    return !SequenceOntology.getInstance().isA(type, SequenceOntology.CDS);
+  }
+
+  /**
+   * Answers true if the sequence feature type is 'CDS' (or a subtype of CDS in
+   * the Sequence Ontology), and the Parent of the feature is the transcript we
+   * are retrieving
+   */
+  @Override
+  protected boolean identifiesSequence(SequenceFeature sf, String accId)
+  {
+    if (SequenceOntology.getInstance().isA(sf.getType(),
+            SequenceOntology.CDS))
+    {
+      String parentFeature = (String) sf.getValue("Parent");
+      if (("transcript:" + accId).equals(parentFeature))
+      {
+        return true;
+      }
+    }
+    return false;
+  }
+
 }