add some methods to approximate table size

git-svn-id: https://svn.code.sf.net/p/jackcess/code/jackcess/trunk@569 f203690c-595d-4dc9-a70b-905162fa7fd2

1 files changed, 4 insertions, 0 deletions

diff --git a/src/java/com/healthmarketscience/jackcess/UsageMap.java b/src/java/com/healthmarketscience/jackcess/UsageMap.java
index d60141e..931891e 100644
--- a/src/java/com/healthmarketscience/jackcess/UsageMap.java
+++ b/src/java/com/healthmarketscience/jackcess/UsageMap.java
@@ -150,6 +150,10 @@ public class UsageMap
     return new PageCursor();
   }
 
+  public int getPageCount() {
+    return _pageNumbers.cardinality();
+  }
+  
   protected short getRowStart() {
     return _rowStart;
   }