public boolean hasValidVersion() {
    VersionStamp stamp = (VersionStamp) this;
    return stamp.getRegionVersion() != 0 || stamp.getEntryVersion() != 0;
  }
Set the value of this region entry. Provides low level access to the value field.

@param v the new value to set
geode-core/src/main/java/org/apache/geode/internal/cache/entries/AbstractRegionEntry.java