JAL-4199 Replace AbstractPollingTask with BaseTask

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

diff --git a/src/jalview/datamodel/ContiguousI.java b/src/jalview/datamodel/ContiguousI.java
index a9b1372..bc72984 100644 (file)
--- a/src/jalview/datamodel/ContiguousI.java
+++ b/src/jalview/datamodel/ContiguousI.java
@@ -20,9 +20,23 @@
  */
 package jalview.datamodel;
 
+import java.util.Collection;
+
 public interface ContiguousI
 {
   int getBegin(); // todo want long for genomic positions?
 
   int getEnd();
+  
+  public static int[] toStartEndArray(Collection<? extends ContiguousI> ranges)
+  {
+    int[] startend = new int[ranges.size() * 2];
+    int i = 0;
+    for (var range : ranges)
+    {
+      startend[i++] = range.getBegin();
+      startend[i++] = range.getEnd();
+    }
+    return startend;
+  }
 }