forgot file on previous commit

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_lsm_tree@1630 123451ca-8445-de46-9d55-352943316053
diff --git a/hyracks-storage-am-common/src/main/java/edu/uci/ics/hyracks/storage/am/common/api/IFreePageManagerFactory.java b/hyracks-storage-am-common/src/main/java/edu/uci/ics/hyracks/storage/am/common/api/IFreePageManagerFactory.java
new file mode 100644
index 0000000..d26e65f
--- /dev/null
+++ b/hyracks-storage-am-common/src/main/java/edu/uci/ics/hyracks/storage/am/common/api/IFreePageManagerFactory.java
@@ -0,0 +1,5 @@
+package edu.uci.ics.hyracks.storage.am.common.api;
+
+public interface IFreePageManagerFactory {
+    public IFreePageManager createFreePageManager();
+}