Fixes part of MAHOUT-1155.

https://issues.apache.org/jira/browse/MAHOUT-1155 Doesn't update Centroid because that is now part of the larger Vector changes in https://issues.apache.org/jira/browse/MAHOUT-1202. git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1478836 13f79535-47bb-0310-9956-ffa450edef68
apache · May 3, 2013 · b060663 · b060663
1 parent eb1b627
commit b060663
Showing 1 changed file with 10 additions and 7 deletions.
diff --git a/math/src/main/java/org/apache/mahout/math/MatrixSlice.java b/math/src/main/java/org/apache/mahout/math/MatrixSlice.java
@@ -17,17 +17,20 @@
 
 package org.apache.mahout.math;
 
-public class MatrixSlice {
-
-  private final Vector v;
-  private final int index;
+public class MatrixSlice extends DelegatingVector {
+  private int index;
 
   public MatrixSlice(Vector v, int index) {
-    this.v = v;
+    super(v);
     this.index = index;
   }
 
-  public Vector vector() { return v; }
-  public int index() { return index; }
+  public Vector vector() {
+    return getVector();
+  }
+
+  public int index() {
+    return index;
+  }
 }