X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2FLocalFrontendHistory.java;h=b7239032b59fb0eaabf85e1b582297dffe09cb3f;hb=546cd1fd100dbaa36908b22c2f422320dbd8c4b2;hp=17e861a3e7252a9c269801bc00a2ebe9ec31d66b;hpb=12fcdfe39aa26dcba7fd3bb4d4c68e3d02e65c51;p=controller.git

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/LocalFrontendHistory.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/LocalFrontendHistory.java
index 17e861a3e7..b7239032b5 100644
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/LocalFrontendHistory.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/LocalFrontendHistory.java
@@ -7,7 +7,8 @@
  */
 package org.opendaylight.controller.cluster.datastore;
 
-import com.google.common.base.Preconditions;
+import static java.util.Objects.requireNonNull;
+
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.RangeSet;
 import com.google.common.collect.TreeRangeSet;
@@ -20,7 +21,6 @@ import org.opendaylight.controller.cluster.access.concepts.LocalHistoryIdentifie
 import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
 
-
 /**
  * Chained transaction specialization of {@link AbstractFrontendHistory}. It prevents concurrent open transactions.
  *
@@ -33,7 +33,7 @@ final class LocalFrontendHistory extends AbstractFrontendHistory {
             final ShardDataTreeTransactionChain chain, final Map<UnsignedLong, Boolean> closedTransactions,
             final RangeSet<UnsignedLong> purgedTransactions) {
         super(persistenceId, tree, closedTransactions, purgedTransactions);
-        this.chain = Preconditions.checkNotNull(chain);
+        this.chain = requireNonNull(chain);
     }
 
     static LocalFrontendHistory create(final String persistenceId, final ShardDataTree tree,