*/
package org.opendaylight.openflowplugin.applications.topology.lldp.utils;
-import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
import com.google.common.hash.HashCode;
import com.google.common.hash.HashFunction;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;
import java.util.Objects;
+import java.util.Optional;
+
import org.apache.commons.lang3.ArrayUtils;
import org.opendaylight.mdsal.eos.binding.api.Entity;
import org.opendaylight.mdsal.eos.binding.api.EntityOwnershipService;