From: gmungoc <g.m.carstairs@dundee.ac.uk>
Date: Mon, 10 Apr 2017 14:40:59 +0000 (+0100)
Subject: JAL-2446 SequenceFeatures.hasFeatures() added
X-Git-Tag: Release_2_10_3b1~325
X-Git-Url: http://source.jalview.org/gitweb/?a=commitdiff_plain;h=b293e4fedbfac29547a9af2b46028ac85a7376c1;p=jalview.git

JAL-2446 SequenceFeatures.hasFeatures() added
---

diff --git a/src/jalview/datamodel/features/SequenceFeatures.java b/src/jalview/datamodel/features/SequenceFeatures.java
index 64aa63e..227d8fd 100644
--- a/src/jalview/datamodel/features/SequenceFeatures.java
+++ b/src/jalview/datamodel/features/SequenceFeatures.java
@@ -190,4 +190,21 @@ public class SequenceFeatures
     }
     return false;
   }
+
+  /**
+   * Answers true if this store contains at least one feature, else false
+   * 
+   * @return
+   */
+  public boolean hasFeatures()
+  {
+    for (FeatureStore featureSet : featureStore.values())
+    {
+      if (!featureSet.isEmpty())
+      {
+        return true;
+      }
+    }
+    return false;
+  }
 }
diff --git a/test/jalview/datamodel/features/SequenceFeaturesTest.java b/test/jalview/datamodel/features/SequenceFeaturesTest.java
index d340490..1ee21f3 100644
--- a/test/jalview/datamodel/features/SequenceFeaturesTest.java
+++ b/test/jalview/datamodel/features/SequenceFeaturesTest.java
@@ -297,4 +297,17 @@ public class SequenceFeaturesTest
     assertTrue(sf.delete(sf1));
     assertTrue(sf.getFeatures().isEmpty());
   }
+
+  @Test(groups = "Functional")
+  public void testHasFeatures()
+  {
+    SequenceFeatures sf = new SequenceFeatures();
+    assertFalse(sf.hasFeatures());
+
+    SequenceFeature sf1 = addFeature(sf, "Pfam", 10, 50);
+    assertTrue(sf.hasFeatures());
+
+    sf.delete(sf1);
+    assertFalse(sf.hasFeatures());
+  }
 }