JAL-2446 added contains, delete, checks for inclusion on add + tests

[jalview.git] / src / jalview / datamodel / features / NCNode.java

diff --git a/src/jalview/datamodel/features/NCNode.java b/src/jalview/datamodel/features/NCNode.java
index 6af913a..0755614 100644 (file)
--- a/src/jalview/datamodel/features/NCNode.java
+++ b/src/jalview/datamodel/features/NCNode.java
@@ -178,4 +178,44 @@ class NCNode<V extends ContiguousI>
       subregions.getEntries(entries);
     }
   }
+
+  /**
+   * Answers true if this object contains the given entry (by object equals
+   * test), else false
+   * 
+   * @param entry
+   * @return
+   */
+  boolean contains(V entry)
+  {
+    if (entry == null)
+    {
+      return false;
+    }
+    if (entry.equals(region))
+    {
+      return true;
+    }
+    return subregions == null ? false : subregions.contains(entry);
+  }
+
+  /**
+   * Answers the 'root' region modelled by this object
+   * 
+   * @return
+   */
+  V getRegion()
+  {
+    return region;
+  }
+
+  /**
+   * Answers the (possibly null) contained regions within this object
+   * 
+   * @return
+   */
+  NCList<V> getSubRegions()
+  {
+    return subregions;
+  }
 }