added size method

Author: thsc42

src/net/sharksystem/aasp/AASPChunkCache.java

@@ -64,4 +64,6 @@ CharSequence getMessage(int position, boolean chronologically)
      */
     void sync() throws IOException;
 
+    int size();
+
 }

src/net/sharksystem/aasp/AASPInMemoChunkCache.java

@@ -283,4 +283,8 @@ public CharSequence next() {
             return retMessage;
         }
     }
+
+    public int size() {
+        return this.numberOfMessages;
+    }
 }