Merge branch 'develop' into features/JAL-250_hideredundantseqs

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

diff --git a/src/jalview/datamodel/Range.java b/src/jalview/datamodel/Range.java
new file mode 100644 (file)
index 0000000..7886713
--- /dev/null
+++ b/src/jalview/datamodel/Range.java
@@ -0,0 +1,52 @@
+package jalview.datamodel;
+
+/**
+ * An immutable data bean that models a start-end range
+ */
+public class Range implements ContiguousI
+{
+  public final int start;
+
+  public final int end;
+
+  @Override
+  public int getBegin()
+  {
+    return start;
+  }
+
+  @Override
+  public int getEnd()
+  {
+    return end;
+  }
+
+  public Range(int i, int j)
+  {
+    start = i;
+    end = j;
+  }
+
+  @Override
+  public String toString()
+  {
+    return String.valueOf(start) + "-" + String.valueOf(end);
+  }
+
+  @Override
+  public int hashCode()
+  {
+    return start * 31 + end;
+  }
+
+  @Override
+  public boolean equals(Object obj)
+  {
+    if (obj instanceof Range)
+    {
+      Range r = (Range) obj;
+      return (start == r.start && end == r.end);
+    }
+    return false;
+  }
+}