Merge branch 'develop' into bug/JAL-2510amendFeatures

[jalview.git] / src / jalview / api / AlignmentRowsCollectionI.java

diff --git a/src/jalview/api/AlignmentRowsCollectionI.java b/src/jalview/api/AlignmentRowsCollectionI.java
new file mode 100644 (file)
index 0000000..09b039d
--- /dev/null
+++ b/src/jalview/api/AlignmentRowsCollectionI.java
@@ -0,0 +1,24 @@
+package jalview.api;
+
+import jalview.datamodel.SequenceI;
+
+public interface AlignmentRowsCollectionI extends Iterable<Integer>
+{
+  /**
+   * Answers if the sequence at the given position is hidden.
+   * 
+   * @param r
+   *          the row index to check
+   * @return true if the sequence at r is hidden
+   */
+  public boolean isHidden(int r);
+
+  /**
+   * Answers the sequence at the given position in the alignment
+   * 
+   * @param r
+   *          the row index to locate
+   * @return the sequence
+   */
+  public SequenceI getSequence(int r);
+}