JAL-3397 final update

[jalview.git] / src / jalview / datamodel / SequenceFeature.java

diff --git a/src/jalview/datamodel/SequenceFeature.java b/src/jalview/datamodel/SequenceFeature.java
index 34565c6..30e0929 100755 (executable)
--- a/src/jalview/datamodel/SequenceFeature.java
+++ b/src/jalview/datamodel/SequenceFeature.java
@@ -27,6 +27,7 @@ import jalview.datamodel.features.FeatureSourceI;
 import jalview.datamodel.features.FeatureSources;
 import jalview.util.StringUtils;
 
+import java.util.Comparator;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Map.Entry;
@@ -34,6 +35,8 @@ import java.util.SortedMap;
 import java.util.TreeMap;
 import java.util.Vector;
 
+import intervalstore.api.IntervalI;
+
 /**
  * A class that models a single contiguous feature on a sequence. If flag
  * 'contactFeature' is true, the start and end positions are interpreted instead
@@ -216,10 +219,20 @@ public class SequenceFeature implements FeatureLocationI
   @Override
   public boolean equals(Object o)
   {
-    return equals(o, false);
+    return (o != null && (o instanceof SequenceFeature)
+            && equalsInterval((SequenceFeature) o));
   }
 
   /**
+   * Having determined that this is in fact a SequenceFeature, now check it for
+   * equivalence. Overridden in CrossRef; used by IntervalStore (possibly).
+   */
+  @Override
+  public boolean equalsInterval(IntervalI sf)
+  {
+    return sf != null && equals((SequenceFeature) sf, false);
+  }
+  /**
    * Overloaded method allows the equality test to optionally ignore the
    * 'Parent' attribute of a feature. This supports avoiding adding many
    * superficially duplicate 'exon' or CDS features to genomic or protein
@@ -229,47 +242,19 @@ public class SequenceFeature implements FeatureLocationI
    * @param ignoreParent
    * @return
    */
-  public boolean equals(Object o, boolean ignoreParent)
+  public boolean equals(SequenceFeature sf, boolean ignoreParent)
   {
-    if (o == null || !(o instanceof SequenceFeature))
-    {
-      return false;
-    }
-
-    SequenceFeature sf = (SequenceFeature) o;
-    boolean sameScore = Float.isNaN(score) ? Float.isNaN(sf.score)
-            : score == sf.score;
-    if (begin != sf.begin || end != sf.end || !sameScore)
-    {
-      return false;
-    }
-
-    if (getStrand() != sf.getStrand())
-    {
-      return false;
-    }
-
-    if (!(type + description + featureGroup + getPhase()).equals(
-            sf.type + sf.description + sf.featureGroup + sf.getPhase()))
-    {
-      return false;
-    }
-    if (!equalAttribute(getValue("ID"), sf.getValue("ID")))
-    {
-      return false;
-    }
-    if (!equalAttribute(getValue("Name"), sf.getValue("Name")))
-    {
-      return false;
-    }
-    if (!ignoreParent)
-    {
-      if (!equalAttribute(getValue("Parent"), sf.getValue("Parent")))
-      {
-        return false;
-      }
-    }
-    return true;
+    return (begin == sf.begin && end == sf.end
+            && getStrand() == sf.getStrand()
+            && (Float.isNaN(score) ? Float.isNaN(sf.score)
+                    : score == sf.score)
+            && (type + description + featureGroup + getPhase())
+                    .equals(sf.type + sf.description + sf.featureGroup
+                            + sf.getPhase())
+            && equalAttribute(getValue("ID"), sf.getValue("ID"))
+            && equalAttribute(getValue("Name"), sf.getValue("Name"))
+            && (ignoreParent || equalAttribute(getValue("Parent"),
+                    sf.getValue("Parent"))));
   }
 
   /**
@@ -735,4 +720,24 @@ public class SequenceFeature implements FeatureLocationI
   {
     source = theSource;
   }
+
+ 
+}
+
+class SFSortByEnd implements Comparator<SequenceFeature>
+{
+  @Override
+  public int compare(SequenceFeature a, SequenceFeature b)
+  {
+    return a.getEnd() - b.getEnd();
+  }
+}
+
+class SFSortByBegin implements Comparator<SequenceFeature>
+{
+  @Override
+  public int compare(SequenceFeature a, SequenceFeature b)
+  {
+    return a.getBegin() - b.getBegin();
+  }
 }