+ /**
+ * Returns the modification counter.
+ *
+ * @return The modification counter
+ */
+ public synchronized long getModificationCounter() {
+ return modificationCounter;
+ }
+
+ /**
+ * Sets the modification counter.
+ *
+ * @param modificationCounter
+ * The new modification counter
+ */
+ public synchronized void setModificationCounter(long modificationCounter) {
+ this.modificationCounter = modificationCounter;
+ }
+